The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 2006
Filed:
Aug. 20, 2002
Takashi Sawaguchi, Tokyo, JP;
Shoichiro Yano, Tokyo, JP;
Toshiki Hagiwara, Tokyo, JP;
Yoshihiro Chishima, Tateyama, JP;
Yuko Akutsu, Tokyo, JP;
Takashi Sawaguchi, Tokyo, JP;
Shoichiro Yano, Tokyo, JP;
Toshiki Hagiwara, Tokyo, JP;
Yoshihiro Chishima, Tateyama, JP;
Yuko Akutsu, Tokyo, JP;
Nihon University, School Juridical Person, Tokyo, JP;
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.