US PATENT SUBCLASS 523 / 418
.~.~.~.~.~ Organic nitrogen compound contains N-(C)*-(C=O)- group where *= subscript 0,1,2 . . ., e.g., protein, etc.

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
400  DF  .~.~ Process of forming a composition containing a nonreactive material (NRM) and a polymer containing more than one 1,2-epoxy group, or a preformed polymer derived from or admixed with a reactant containing more than one 1,2-epoxy group, or with a polymer derived from an epihalohydrin and a polyhydric phenol or polyol; or composition or product thereof {24}
402  DF  .~.~.~ Product contains water per se or water of hydration as designated nonreactive material (DNRM) {7}
414  DF  .~.~.~.~ Polymer contains more than one 1,2-epoxy group or one derived from reactant containing more than one 1,2-epoxy group is further derived from or reacted with organic nitrogen or sulfur {6}
418.~.~.~.~.~ Organic nitrogen compound contains N-(C)*-(C=O)- group where *= subscript 0,1,2 . . ., e.g., protein, etc.

DEFINITION

Classification: 523/418

Organic nitrogen compound contains N-(C)*-(C=O)- group where

*=0, 1, 2.. ., e.g., protein, etc.:

(under subclass 414) Subject matter wherein the composition contains a nitrogen compound which contains the N group wherein n=0, 1, 2, e.g., protein, amide hydrazide, etc.

(1) Note. Included herein also are the nitrogen heterocycles with this functionality.