US PATENT SUBCLASS 525 / 54.1
.~.~ Containing chemically combined protein or biologically active polypeptide

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
54.1.~.~ Containing chemically combined protein or biologically active polypeptide {1}
54.11  DF  .~.~.~> Solid polymer treated by stepwise reaction with naturally occurring alpha or beta amino acid or a material which contains a residue of said amino acid, e.g., a functionally protected amino acid, etc.

DEFINITION

Classification: 525/54.1

Containing chemically combined protein or biologically active polypeptide:

(under subclass 50) Subject matter wherein a protein or biologically active polypeptide is chemically combined with the polymer system.

(1) Note. The proteinaceous material can be present as a chemical constituent of a SP or SICP, as a reactant with a SP, SICP, or SPFI system, or as an ethylenic agent (in the case of a protein modified to have ethylenic groups).

SEE OR SEARCH CLASS

528, Synthetic Resins or Natural Rubbers, the Glosssry, for the definition of "protein" and "biologically active polypeptide".