US PATENT SUBCLASS 527 / 207
.~.~ With carboxylic acid or derivative reactant

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {6}
200  DF  .~ FROM PROTEIN OR BIOLOGICALLY ACTIVE POLYPEPTIDE REACTANT {4}
207.~.~ With carboxylic acid or derivative reactant

DEFINITION

Classification: 527/207

With carboxylic acid or derivative reactant:

(under subclass 200) Subject matter wherein a carboxylic acid or derivative is additionally present.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, Glossary, for a definition of the term "carboxylic acid or derivative".