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:
Dec. 31, 1991
Filed:
Apr. 27, 1990
Applicant:
Inventors:
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 83 ; 521172 ; 521173 ;
Abstract
Provided are a polyurethane comprising (A) a structural unit derived from polyester diol, which consists essentially of 1 to 3 members selected from the structural units (I), (II) and (III) shown below, and the structural units (IV) and (V) shown below, the molar fractions of these structural units satisfying specific relationships:
Tsuda, Tomoyasu. (1991). Polyurethane, process for its production and polyester diol used for its (U.S. Patent No. 5077373). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5077373
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