US PATENT SUBCLASS 525 / 380
.~.~.~.~.~ Amine contains a hydroxyl group

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}
55  DF  .~.~ At least one solid polymer derived from ethylenic reactants only {25}
374  DF  .~.~.~ Chemical treating agent is a nitrogen-containing compound {5}
379  DF  .~.~.~.~ Organic amine {3}
380.~.~.~.~.~ Amine contains a hydroxyl group

DEFINITION

Classification: 525/380

Amine contains a hydroxyl group:

(under subclass 379) Subject matter wherein the amine compound contains a hydroxyl group.

(1) Note. A hydroxyl group herein is that of an alcohol.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, the Glossary, for the definition of "alcohol".