US PATENT SUBCLASS 514 / 772.1
.~ Aftertreated solid synthetic organic polymer (e.g., grafting, blocking, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

772  DF  DESIGNATED ORGANIC NONACTIVE INGREDIENT CONTAINING OTHER THAN HYDROCARBON {9}
772.1.~ Aftertreated solid synthetic organic polymer (e.g., grafting, blocking, etc.) {1}
772.2  DF  .~.~> Polyvinyl alcohol

DEFINITION

Classification: 514/772.1

Aftertreated solid synthetic organic polymer (e.g., grafting, blocking, etc.):

(under subclass 772) Subject matter wherein the designated organic nonactive ingredient is a solid synthetic organic polymer which has been aftertreated, e.g., a saponified starch acrylonitrile graft copolymer, polyacrylic acid neutralized with sodium hydroxide, etc.

(1) Note. The chemical after treatment of a solid synthetic organic polymer may be to remove or add a group or element or a combination of both procedures.

SEE OR SEARCH CLASS

522, Synthetic Resins or Natural Rubbers, for the process of treating a solid polymer utilizing wave energy.

525, Synthetic Resins or Natural Rubbers, appropriate subclasses for the aftertreatment of solid synthetic organic polymers.