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Class Number: 521
Class Title: SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS
520 SERIES
Subclass Subclass
Number Title
* SYNTHETIC RESINS (Class 520, Subclass 1)
25 .ION-EXCHANGE POLYMER OR PROCESS OF PREPARING
26 ..Process of regenerating
27 ..Membrane or process of preparing
28 ..Previously formed solid ion-exchange polymer admixed with
nonreactive material or ion-exchange polymer
29 ..Polymer characterized by defined size or shape other than bead
or pearl
30 ..Chemically treated solid polymer
31 ...Solid polymer derived from ethylenically unsaturated reactant
only
32 ....Treated with nitrogen-containing material
33 ....Treated with sulfur-containing material
34 ...Solid polymer derived from at least one 1,2-epoxy containing
reactant
35 ...Solid polymer derived from aldehyde or derivative
36 ....Treated with nitrogen-containing material
37 ....Treated with sulfur-containing reactant
38 ..From ethylenically unsaturated reactant only
39 ..From aldehyde or derivative
40 .PROCESS OF TREATING SCRAP OR WASTE PRODUCT CONTAINING SOLID
ORGANIC POLYMER TO RECOVER A SOLID POLYMER THEREFROM
40.5 ..Process of treating scrap or waste product containing at
least one polymer derived from ethylenic unsaturated monomers
only
41 ...Treating rubber (or rubberlike materials) or polymer derived
from a monomer having at least two ethylenic unsaturated
moieties
41.5 ....Treating with organic phosphorus-containing material
42 ....Treating with organic nitrogen-containing material
42.5 ....Treating with organic chalcogen-containing material
43 .....Containing organic sulfur
43.5 .....Containing carboxylic acid or anhydride group
44 .....Containing hydroxyl group
44.5 ....Treating with hydrocarbon or halogenated hydrocarbon
material
45 ....Treating with steam or water
45.5 ....Treating with mechanical action and in the absence of a
chemically reactive additive or solvent
46 ...Treating polymer derived from a monomer containing only
carbon, hydrogen, and halogen or only carbon and halogen; or
treating a polymer which has been derived from at least one
hydrocarbon and which has been subsequently halogenated
46.5 ....Treating polymer derived from vinyl chloride monomer
47 ...Treating polymer derived from hydrocarbon monomers only
47.5 ..Treating polysiloxane
48 ..Treating polyester
48.5 ...Treating with alcohol
49 ..Treating polyurethane, polyurea (excluding urea-formaldehyde
polymers), polyisocyanurate or polycarbodiimide
49.5 ...Treating with alcohol or aminee
49.8 ..Treating polycarbonamide
50 .CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT,
E.G., FOAMS, PORES, CHANNELS, ETC.
50.5 ..Compositions to be polymerized by wave energy in order to
prepare a cellular product wherein said composition contains a
rate-affecting material; or compositions to be modified by
wave energy to prepare a cellular product wherein said
composition contains a rate-affecting material; or processes
of preparing or treating a solid polymer utilizing wave energy
in order to prepare a cellular product
51 ..Processes of preparing a cellular product having an integral
skin
52 ..Reticulated cellular product or processes of preparing a
reticulated cellular product
53 ..Treating a cellular solid polymer by adding a material thereto
which reacts with the polymer or forms a composition
therewith, or products of said treating process
54 ...Treating a cellular solid polymer by adding a solid polymer
or solid polymer-forming composition
55 ...Treating a cellular solid polymer by adding a material
thereto which forms a composition therewith
56 ..Particle which is expandible, process of preparing an
expandible particle, or process of expanding a particle to
form a cellular product
57 ...Including step of surface coating a particle or process of
expanding a surface coated particle
58 ...Expanding utilizing plural expansion steps
59 ...Expandible system contains two or more solid polymers or at
least one solid polymer and at least one polymer-forming
system
60 ...Adding expanding agent subsequent to solid polymer formation
61 ..Process of preparing a cellular product by removal of material
from a solid polymer-containing matrix without expanding the
matrix; composition which is nonexpandible and is designed to
form a cellular product by said process; or process of
preparing said composition
62 ...Mixture of solid polymers present during cell formation
63 ...Cellular product-forming process wherein the removable
material is present or is produced in situ during the solid
polymer formation step
64 ...Removing a liquid to form a cellular product
65 ..Process of forming a cellular product from an aqueous latex,
aqueous dispersion, or aqueous emulsion containing a solid
polymer; process of preparing a latex, dispersion, or emulsion
containing a solid polymer which is designed to be formed into
a cellular product, or composition thereof
66 ...Treating a latex, dispersions, or emulsion containing a solid
polymer at 32 degrees F. or below, e.g., freezing, etc.
67 ...Adding -N=C=X material to a latex, dispersion, or emulsion
containing a solid polymer
68 ...Adding fibrous material to a latex, dispersion, or emulsion
containing a solid polymer
69 ...Latex, dispersion, or emulsion contains an additional solid
polymer-forming system
70 ...Latex, dispersion, or emulsion contains two or more solid
polymers
71 ...Solid polymer is derived from a conjugated diene monomer
72 ...Utilizing cell forming agent other than airr
73 ..Process of preparing a cellular product of a plastisol of a
solid polymer derived solely from ethylenically unsaturated
monomers; forming a plastisol of a solid polymer derived
solely from an ethylenically unsaturated monomer which is
designed to be formed into a cellular product, or composition
thereof
74 ...By incorporation of material in gaseous state
75 ...System contains two or more solid polymers or contains at
least one solid polymer and at least one polymer-forming
system
76 ..Preparing a cellular product utilizing a stated ingredient
which is surface coated or is a discrete solid particle
containing a fluid encapsulated therein, processes of forming
an expandible composition, containing said stated ingredient
or composition therefrom
77 ..Preparing a cellular product by decomposition of a solid
polymer; or process of forming a composition containing a
solid polymer which decomposes so as to subsequently form a
cellular polymer, or composition therefrom
78 ..Preparing a cellular product by spraying a solid polymer
containing material
79 ..Extruding a solid polymer containing material to form a
cellular product
80 ...Including solid polymer formation in or during extruding
step
81 ...System contains a mixture of solid polymer or at least one
solid polymer and at least one solid polymer-forming system
82 ..Process of forming a cellular product subsequent to solid
polymer formation in the presence of a stated ingredient,
noncellular composition capable of forming a cellular product
and containing a stated ingredient, or process of preparing
same
83 ...Ingredient is asphaltic, bituminous, or water settable
inorganic material, e.g., cement, plaster of Paris, etc.
84.1 ...Ingredient is protein, carbohydrate, or natural resin
85 ...Ingredient contains a boron or phosphorus atom
86 ...Ingredient is organic silicon compound
87 ...Ingredient is aldehyde or ketone
88 ...Ingredient is ether, alcohol, or inorganic alcoholate, e.g.,
phenol, etc.
89 ...Ingredient contains a sulfur atom
90 ...Ingredient is a heterocyclic compound
91 ...Ingredient contains a silicon atom
92 ...Ingredient contains a metal atom
93 ....Metal atom is part of an organic compound
94 ...Ingredient is a nitrogen containing compound
95 ....Nitrogen compound contains a nitrogen atom bonded to a
nitrogen or oxygen atom
96 ...Ingredient contains an -O-O- group
97 ...Ingredient contains a carbon atom double-bonded to oxygen,
e.g., carbon dioxide, carboxylic acid, etc.
98 ...Ingredient contains only C and H atoms, only C and halogen
atoms, or only C, H, and halogen atoms
99 ..Cellular product formation prior to or during solid polymer
formation in the presence of a stated ingredient other than
water
100 ...Ingredient is water settable inorganic composition
101 ...Ingredient is bituminous or asphaltic materiall
102 ...Ingredient is a protein containing material
103 ...Ingredient contains a boron atom
104 ....Boron trihalide or complex thereof
105 ....Boron atom is part of an organic compound
106 ...Ingredient contains a phosphorus atom
107 ....Phosphorus atom is part of an organic compound
108 .....Organic phosphorus compound contains a phosphorus atom
bonded to an atom other than oxygen
109.1 ...Ingredient is carbohydrate, or natural resin
110 ...Ingredient contains a silicon atom as part an organic
compound
111 ....Organic silicon atom compound contains an atom other than
oxygen, hydrogen, silicon, or carbon
112 ....Organic silicon compound contains an ether group
113 ...Ingredient is aldehyde or ketone
114 ...Ingredient contains a -C-X-C- group wherein X is a chalcogen
atom and none of the C atoms bonded to the chalcogen are
double-bonded to an additional chalcogen atom
115 ....-C-X-C- compound contains a nitrogen atom
116 ....-C-X-C- compound contains a -C-XH group wherein X is a
chalcogen atom
117 ...Ingredient contains a -C-XH group wherein X is a chalcogen
atom and the carbon atom is not double-bonded to a chalcogen
atom, phenol, etc.
118 ....-C-XH ingredient contains a nitrogen atom
119 ...Ingredient is inorganic halogen containing material
120 ...Ingredient contains a sulfur atom
121 ....Sulfur atom is part of an organic compound
122 ...Ingredient contains a silicon atom
123 ...Ingredient contains a metal atom
124 ....Metal atom is part of an organic compound
125 .....Organic metal compound contains a Group I or Group II metal
atom
126 .....Organic metal compound contains tin
127 ......Tin compound is dibutyl tin dilaurate or stannous octoate
128 ...Ingredient is a nitrogen containing compound
129 ....Nitrogen compound contains a nitrogen atom bonded to three
carbon atoms and wherein none of the carbon atoms are
double-bonded to oxygen
130 ...Ingredient contains a carbon atom double bonded to oxygen,
e.g., carboxylic acid, etc.
131 ...Ingredient contains only carbon and hydrogen atoms, only C
and halogen atoms, or only C, H, and halogen atoms
132 ....Said ingredient is substantially nonvolatile material, e.g.,
hydrocarbon waxes, greases, etc.
133 ...Ingredient is gaseous at ambient conditions, e.g., air,
oxygen, etc.
134 ..Cellular product derived from two or more solid polymers or
from at least one solid polymer and at least one
polymer-forming system
135 ...At least one polymer is derived from reactant containing two
or more three membered heterocyclic rings having two carbon
atoms and one chalcogen atom or polymer-forming system
contains the same type of reactant
136 ...At least one polymer is derived from an aldehyde or
derivative or wherein the polymer-forming system contains the
same type of reactant
137 ...At least one polymer is derived from a -N=C=X reactantt
wherein X is a chalcogen atom or wherein the polymer-forming
system contains the same type of reactant
138 ...At least one polymer is derived from a polycarboxylic acid or
derivative and a polyol or wherein the polymer-forming system
containing the same type of reactants
139 ...At least one polymer is derived from an ethylenically
unsaturated aromatic reactant or wherein the polymer-forming
system contains the same type of reactant
140 ...At least one polymer is derived from reactant containing two
or more ethylenic groups or wherein the polymer-forming
system contains the same type of reactant
141 ..Cellular vinyl alcohol polymer
142 ..Cellular product derived from ethylenically unsaturated
reactants only
143 ...From acyclic mono-unsaturated hydrocarbon as only reactant
144 ....Interpolymer
145 ...From acyclic mono-unsaturated halogenated reactant
146 ...From aromatic reactant
147 ....With oxygen or nitrogen containing reactant
148 ....With conjugated diene reactant
149 ...From oxygen containing reactant
150 ...From reactant containing two or more ethylenic unsaturated
groups
151 ..Cellular polymer derived from tar, pitch, bitumen, asphalt, or
plant material of unknown constitution, e.g., nut shell
liquor, etc.
152 ..Cellular product derived from boron containing reactant
153 ..Cellular product derived from aluminum or heavy metal
containing reactant
154 ..Cellular product derived from silicon containing reactant
155 ..Cellular product derived from a -N=C=X containing reactant
wherein X is a chalcogen atom
156 ...With three-membered heterocyclic reactant containing two
carbon atoms and a hetero atom (i.e., nitrogen or a chalcogen
atom)
157 ...With a C-C(=X)-XH or C-C(=X)-X-C(=X)-C- reactant wherein X is
a chalcogen atom, e.g., carboxylic acid or anhydride, etc.
158 ...With ketone, aldehyde, or aldehyde derivative
159 ...N=C=X reactant having at least two C-NH-C(=X)- groups, e.g.,
prepolymers, etc.
160 ...Two or more N=C=X reactants
161 ...N=C=X reactant contains a heterocyclic ring
162 ...N=C=X reactant contains atoms other than carbon and hydrogen
and other than nitrogen and chalcogen as part of the N=C=X
group
163 ...With nitrogen containing reactant
164 ....Nitrogen reactant contains a C-XH group wherein X is a
chalcogen atom and wherein the C atom is not double-bonded
to a chalcogen atom
165 .....Phosphorus containing reactant
166 .....Nitrogen reactant contains a nitrogen containing
heterocyclic ring
167 .....Nitrogen reactant contains a N-(C-C-O)-group
168 ...With phosphorus containing reactant
169 ....Phosphorus reactant contains a -O-(C-C-O-)-group
170 ...With -XH reactant wherein X is a chalcogen atom
171 ....-XH reactant contains a halogen atom
172 ....-XH reactant contains a C=X group, e.g., carboxylic acidd
ester, etc.
173 .....With non -C=X containing reactant
174 ....-XH reactant contains a C-X-C group
175 .....C-X-C reactant contains a carbohydrate group
176 .....With non -C-X-C- containing reactant
177 .....C-X-C reactant contains a carbocyclic ring, e.g., aromatic,
etc.
178 ..Cellular product derived from a reactant containing two or
more three membered heterocyclic rings wherein two of the ring
members are carbon atoms and the remaining ring member is a
chalcogen atom
179 ...With -C(=X)-X containing reactant wherein X is a chalcogen
atom
180 ..Cellular product derived from a phenol, phenol ether, or
inorganic phenolate reactant
181 ...With reactant which is an aldehyde or aldehyde derivative
182 ..Cellular product derived from a -C-C(=X)-X containing reactant
wherein X is a chalcogen atom, e.g., phthalic acid, etc.
183 ...Nitrogen containing reactant
184 ....Nitrogen reactant contains at least two amino nitrogen
atoms
185 .....Carbocyclic reactant containing -C-C(=X)-X, e.g.,
containing carboxyl, etc.
186 ..Cellular product derived from reactant which is an aldehyde or
aldehyde derivative
187 ...Nitrogen containing reactant
188 ....Nitrogen reactant contains a -N-C(=X)-N group wherein X is a
chalcogen atom, e.g.,urea, etc.
189 ..Cellular product derived from reactant containing a carbon to
chalcogen bond
* ******************************
* CROSS-REFERENCE ART COLLECTIONS
* ******************************
901 CELLULAR POLYMER CONTAINING A CARBODIIMIDE STRUCTURE
902 CELLULAR POLYMER CONTAINING AN ISOCYANURATE STRUCTURE
903 CELLULAR POLYMER HAVING REDUCED SMOKE OR GAS GENERATION
904 POLYURETHANE CELLULAR PRODUCT HAVING HIGH RESILIENCY OR COLD
CURE PROPERTY
905 HYDROPHILIC OR HYDROPHOBIC CELLULAR PRODUCT
906 POLYURETHANE CELLULAR PRODUCT CONTAINING UNREACTED
FLAME-RETARDANT MATERIAL
907 NONURETHANE FLAMEPROOFED CELLULAR PRODUCT
908 NUCLEATING AGENT FOR CELLULAR PRODUCT
909 BLOWING-AGENT MODERATOR, E.G., KICKERS, ETC.
910 PLURAL BLOWING AGENTS FOR PRODUCING NONPOLYURETHANE CELLULAR
PRODUCTS
911 SURFACTANT FOR OTHER THAN POLYURETHANE CELLULAR PRODUCT
912 SEPARATED REACTIVE MATERIALS UTILIZED IN PREPARING CELLULAR
PRODUCT
913 CELL FORMING IN ABSENCE OF EXTERNAL HEAT
914 POLYURETHANE CELLULAR PRODUCT FORMED FROM A POLYOL WHICH HAS
BEEN DERIVED FROM AT LEAST TWO 1,2 EPOXIDES AS REACTANTS
915 UTILIZING ELECTRICAL OR WAVE ENERGY DURING CELL FORMING PROCESS
916 CELLULAR PRODUCT HAVING ENHANCED DEGRADABILITY
917 SPECIALIZED MIXING APPARATUS UTILIZED IN CELL FORMING PROCESS
918 PHYSICAL AFTERTREATMENT OF A CELLULAR PRODUCT
919 SINTERED PRODUCT
920 CELLULAR PRODUCT CONTAINING A DYE OR PIGMENTT
921 PREPARING A NONPOLYURETHANE CELLULAR PARTICLE FROM A
NONPARTICULATE MATERIAL