US PATENT SUBCLASS 524 / 317
.~.~.~.~.~.~.~.~ Oxygen atom other than as part of a carboxylic acid group, e.g., glycolic ester, 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}
284  DF  .~.~.~.~.~ Carboxylic acid or derivative and wherein the derivative is other than a metal salt DNRM {3}
300  DF  .~.~.~.~.~.~ Two or more carbon atoms {8}
315  DF  .~.~.~.~.~.~.~ Carboxylic acid ester {3}
317.~.~.~.~.~.~.~.~ Oxygen atom other than as part of a carboxylic acid group, e.g., glycolic ester, etc.


DEFINITION

Classification: 524/317

Oxygen atom other than as part of a carboxylic acid group, e.g., glycolic ester, etc.:

(under subclass 315) Subject matter wherein the carboxylic acid ester contains an oxygen atom other than as part of a carboxylic acid ester group.