US PATENT SUBCLASS 521 / 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

Current as of: June, 1999
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521 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  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}
155  DF  .~.~ Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom {10}
163  DF  .~.~.~ With nitrogen containing reactant {1}
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 {3}
165  DF  .~.~.~.~.~> Phosphorus containing reactant
166  DF  .~.~.~.~.~> Nitrogen reactant contains a nitrogen containing heterocyclic ring
167  DF  .~.~.~.~.~> Nitrogen reactant contains a N-(C-C-O)-group

DEFINITION

Classification: 521/164

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:

(under subclass 163) Subject matter wherein the nitrogen reactant contains a C-XH (X is a chalcogen) group and wherein at least one carbon atom that may be bound to a -XH group is not double bonded to a chalcogen atom. Included herein are alcohols, etc.