US PATENT SUBCLASS 524 / 349
.~.~.~.~.~.~ Three or more substituents on the aryl-OH compound

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}
323  DF  .~.~.~.~.~ Aryl-OH or salt or aryl-O-metal bond DNRM {12}
349.~.~.~.~.~.~ Three or more substituents on the aryl-OH compound {1}
350  DF  .~.~.~.~.~.~.~> With other nonreactive material

DEFINITION

Classification: 524/349

Three or more substituents on the aryl-OH compound:

(under subclass 323) Subject matter wherein the designated nonreactant material contains a substituted aryl wherein three or more of the hydrogen atoms of the aryl have been substituted by other than a hydroxy group and wherein one of the hydrogen atoms of the aryl has been substituted by a hydroxy group, e.g., 2,6-di-t-p-cresol, etc.