US PATENT SUBCLASS 528 / 495
.~.~.~ Alcohol

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
480  DF  .~ TREATING POLYMER CONTAINING MATERIAL OR TREATING A SOLID POLYMER OR A RESINIFIABLE INTERMEDIATE CONDENSATION PRODUCT {14}
491  DF  .~.~ Contacting with organic material {5}
495.~.~.~ Alcohol {1}
496  DF  .~.~.~.~> Contains one to four carbon atoms

DEFINITION

Classification: 528/495

(under subclass 491) Processes wherein the organic compound is an alcohol.

(1) Note. This subclass includes phenols as being an alcohol.

SEE OR SEARCH THIS CLASS, SUBCLASS:

488, for a contacting agent wherein the hydrogen of a hydoxyl group has been replaced by an alkali metal or by an alkaline earth metal atom.

SEE OR SEARCH CLASS

520, Synthetic Resins or Rubbers, see the Glossary for a definition of the term "alcohol".