US PATENT SUBCLASS 524 / 381
.~.~.~.~.~.~ Non C-OH oxygen atom, or element other than C, O, or H, e.g., tartaric acid metal salt, etc.

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}
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}
381.~.~.~.~.~.~ Non C-OH oxygen atom, or element other than C, O, or H, e.g., tartaric acid metal salt, etc. {1}
382  DF  .~.~.~.~.~.~.~> Heavy metal

DEFINITION

Classification: 524/381

Non C-OH oxygen atom, or element other than, c, o, or h, e.g., tartaric acid metal salt, etc.:

(under subclass 379) Subject matter wherein the C-O compound contains at least one oxygen atom which exist other than as part at a C-OH group, or wherein the C-O compound contains at least one element which is other than carbon, oxygen, or hydrogen.