US PATENT SUBCLASS 524 / 248
.~.~.~.~.~.~.~.~ Aryl-OH group


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

Internet Version by PATENTEC © 1999      Terms of Use



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}
186  DF  .~.~.~.~.~ Organo nitrogen compound other than unsubstituted ammonium salt as sole nitrogen atom DNRM {12}
236  DF  .~.~.~.~.~.~ Trivalent or tetravalent nitrogen atom other than unsubstituted ammonium {6}
247  DF  .~.~.~.~.~.~.~ C-OH group {2}
248.~.~.~.~.~.~.~.~ Aryl-OH group


DEFINITION

Classification: 524/248

Aryl-OH group:

(under subclass 247) Subject matter wherein the nitrogen compound contains at least one aryl ring and wherein at least one of the nuclear carbons of the aryl ring is directly bonded to the oxygen atom of a hydroxyl group.