US PATENT SUBCLASS 525 / 402
.~.~.~ Solid polymer derived from aldehyde or derivative containing halogen


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
398  DF  .~.~ Solid polymer derived from aldehyde, aldehyde derivative, or liquid polymer thereof as sole reactant and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof {4}
402.~.~.~ Solid polymer derived from aldehyde or derivative containing halogen


DEFINITION

Classification: 525/402

Solid polymer derived from aldehyde or derivative containing halogen:

(under subclass 398) Subject matter wherein the solid polymer is derived from an aldehyde or aldehyde derivative which contains halogen.