US PATENT SUBCLASS 524 / 68
.~.~.~.~ Two or more solid polymers, or graft or graft-type, or block or block-type solid copolymer

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}
59  DF  .~.~.~ Coal, bituminous additive, extract, or derivative thereof; or oil shale; or fatty still residue DNRM {10}
68.~.~.~.~ Two or more solid polymers, or graft or graft-type, or block or block-type solid copolymer

DEFINITION

Classification: 524/68

Two or more solid polymers, or graft or graft-type, or block or block-type solid copolymer:

(under subclass 59) Subject matter wherein the DNRM is admixed with two or more solid polymers, or with a block, block type, graft or graft type solid copolymer.

(1) Note. See the Class 520 Glossary for a definition of the terms "block, block type, graft, or graft type solid copolymer".

(2) Note. For purposes of this subclass, a SICP is treated as a solid polymer.