521 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
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* | DD | SYNTHETIC RESINS (Class 520, Subclass 1) {3} |
50 | DF | .~ CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. {27} |
99 | | .~.~ Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water {18} |
100 | DF | .~.~.~> Ingredient is water settable inorganic composition |
101 | DF | .~.~.~> Ingredient is bituminous or asphaltic material |
102 | DF | .~.~.~> Ingredient is a protein containing material |
103 | DF | .~.~.~> Ingredient contains a boron atom {2} |
106 | DF | .~.~.~> Ingredient contains a phosphorus atom {1} |
109.1 | DF | .~.~.~> Ingredient is carbohydrate, or natural resin |
110 | DF | .~.~.~> Ingredient contains a silicon atom as part an organic compound {2} |
113 | DF | .~.~.~> Ingredient is aldehyde or ketone |
114 | DF | .~.~.~> 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 {2} |
117 | DF | .~.~.~> 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. {1} |
119 | DF | .~.~.~> Ingredient is inorganic halogen containing material |
120 | DF | .~.~.~> Ingredient contains a sulfur atom {1} |
122 | DF | .~.~.~> Ingredient contains a silicon atom |
123 | DF | .~.~.~> Ingredient contains a metal atom {1} |
128 | DF | .~.~.~> Ingredient is a nitrogen containing compound {1} |
130 | DF | .~.~.~> Ingredient contains a carbon atom double bonded to oxygen, e.g., carboxylic acid, etc. |
131 | DF | .~.~.~> Ingredient contains only carbon and hydrogen atoms, only C and halogen atoms, or only C, H, and halogen atoms {1} |
133 | DF | .~.~.~> Ingredient is gaseous at ambient conditions, e.g., air, oxygen, etc. |