US PATENT SUBCLASS 524 / 386
.~.~.~.~.~.~ At least two -OH groups


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}
80  DF  .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81  DF  .~.~.~.~ Organic DNRM {21}
379  DF  .~.~.~.~.~ Carbon atom single bonded to an oxygen atom and wherein the carbon atom is not double bonded to a chalcogen atom DNRM, e.g., alcohols, etc. {8}
386.~.~.~.~.~.~ At least two -OH groups {2}
387  DF  .~.~.~.~.~.~.~> At least four -OH groups, e.g., pentaerythritol, etc.
388  DF  .~.~.~.~.~.~.~> At least one solid polymer derived from ethylenic reactants only


DEFINITION

Classification: 524/386

At least two -OH groups:

(under subclass 379) Subject matter wherein the C-O compound contains at least two -OH groups.