Ethylene-vinyl alcohol copolymer and process for producing...

Details Ethylene-vinyl alcohol copolymer and process for producing... Ethylene-vinyl alcohol copolymer and process for producing...

2006-03-28

2006-03-28

Choi, Ling-Sui (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S307500, C526S352000

Reexamination Certificate

active

07019095

ABSTRACT:
An ethylene-vinyl alcohol copolymer, represented by the formula (1):wherein n represents a number in the range of 15 to 15,000, and a method of producing an ethylene-vinyl alcohol copolymer wherein an 1,4 -polybutadiene is hydroborated in non-gel state in a solvent, followed by oxidation to be hydroxylated so as to derive an ethylene-vinyl alcohol copolymer represented by the formula (1):wherein n represents a number in the range of 15 to 15,000.

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