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:
Oct. 06, 1998
Filed:
Mar. 04, 1996
Applicant:
Inventors:
Chojiro Higuchi, Kanagawa-ken, JP;
Hiroshi Suizu, Kanagawa-ken, JP;
Masatoshi Takagi, Kanagawa-ken, JP;
Takeshi Kashima, Kanagawa-ken, JP;
Yuji Terado, Kanagawa-ken, JP;
Ikumi Kitada, Kanagawa-ken, JP;
Masanobu Ajioka, Kanagawa-ken, JP;
Akihiro Yamaguchi, Kanagawa-ken, JP;
Taiji Kameoka, Chiba-ken, JP;
Assignee:
Mitsui Chemicals, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ; C08G / ;
U.S. Cl.
CPC ...
527300 ; 527311 ; 527315 ; 525 542 ; 525 5421 ; 525 5424 ; 525 543 ; 525 5431 ;
Abstract
A preparation process of a degradable copolymer comprising carrying out dehydration polycondensation of polysaccharide (A) with one or more compounds (B) selected from the group consisting of: