US PATENT SUBCLASS 524 / 798
.~.~ Solid polymer or SICP derived from natural resin or natural resin derivative and ethylenic monomer or SPFI, e.g., shellac, rosin, etc.

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ 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 (Class 523, subclass 1) {17}
798.~.~ Solid polymer or SICP derived from natural resin or natural resin derivative and ethylenic monomer or SPFI, e.g., shellac, rosin, etc.

DEFINITION

Classification: 524/798

Solid polymer or SICP derived from natural resin or natural resin derivative and ethylenic monomer or SPFI, e.g., shellac, rosin, etc.:

(under subclass 1) Subject matter under Class 523, ... wherein the desired or intentional composition is produced by formation of a solid polymer or SICP by reaction of a natural resin or natural resin derivative with an ethylenic monomer of SPFI in the presence of at least one nonreactant material (NRM).

(1) Note. See Class 523, class definition for the definition of nonreactant material (NRM).

(2) Note. See the Class 520 Glossary for the definition of the term "natural resin" and "natural resin derivative".