US PATENT SUBCLASS 526 / 238.2
.~.~ From carbohydrate, tannin, or derivative containing monomer

Current as of: June, 1999
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526 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
72  DF  .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43}
238.2.~.~ From carbohydrate, tannin, or derivative containing monomer {3}
238.21  DF  .~.~.~> Cellulose or derivative containing monomer
238.22  DF  .~.~.~> Starch or derivative containing monomer, e.g., starch-acrylamide, etc.
238.23  DF  .~.~.~> Mono- or di-saccharide containing monomer, e.g., allyl sucrose, etc.

DEFINITION

Classification: 526/238.2

From carbohydrates, tannin or derivative containing monomer:

(under subclass 72) Subject matter wherein at least one ethylenic monomer has chemically bonded thereto a carbohydrate or derivative, or tannin or derivative; or wherein said carbohydrate or tannin or derivative has been modified so as to introduce ethylenic unsaturation therein.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, Glossary, for a definition of "carbohydrates" and "carbohydrate derivative".

560, Organic Compounds,

68, the definition thereof for a description of "tannins".