US PATENT SUBCLASS 524 / 542
.~.~.~.~ Solid polymer or SICP derived from at least one aldehyde or derivative or ketone reactant

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}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
500  DF  .~.~.~ Containing two or more solid polymers; solid polymer or SICP and a SICP, SPFI, or an ethylenic reactant or product thereof {7}
542.~.~.~.~ Solid polymer or SICP derived from at least one aldehyde or derivative or ketone reactant

DEFINITION

Classification: 524/542

Solid polymer or SICP derived from at least one aldehyde or derivative or ketone reactant:

(under subclass 500) Subject matter which involves the mixing of a NRM with a solid polymer or SICP derived from an aldehyde or derivative or ketone containing reactant, and an additional solid polymer SICP, SPFI, or an ethylenic reactant is present.

(1) Note. See the Class 520 Glossary for a definition of the term "aldehyde or derivative".