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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.:

US 4764587 B1

PDFFull Text
Date of Patent:
Aug. 16, 1988

Filed:

Oct. 29, 1985

Cross-linked resin from bis-(2-oxazoline), dicarboxylic acid anhydride

Applicant:
Inventors:

Yasuo Sano, Minoo, JP;

Yasuhiro Morisue, Kawabe, JP;

Kiyoshi Komiya, Mishima, JP;

Yoshimasa Nakamura, Ikeda, JP;

Assignee:

Takeda Chemical Industries, Ltd., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack

Primary Examiner:

Harold D Anderson

Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528363 ; 524606 ; 528176 ; 528179 ; 528190 ; 528192 ; 528205 ; 528206 ; 528207 ; 528208 ; 528211 ; 528212 ; 528213 ;
Abstract

A cross-linked resin produced by the reaction of a bis(2-oxazoline) compound with a dicarboxylic acid anhydride, and optionally also with at least one selected from the group consisting of a dicarboxylic acid, a hydroxy-carboxylic acid, a diol and water, in the presence of at least one catalyst selected from the group consisting of an organic phosphorous acid ester, an organic phosphonous acid ester and an inorganic salt at an elevated temperature. The cross-linked resin has a high mechanical strength and a high resistance to organic solvents. The resin composition comprising the cross-linked resin and reinforcements materials and/or fillers combined therewith has outstanding heat-resistance and mechanical properties.

Find Patent Forward Citations

Sano, Yasuo. (1988). Cross-linked resin from bis-(2-oxazoline), dicarboxylic acid anhydride (U.S. Patent No. 4764587). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4764587

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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