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.

Date of Patent:
Feb. 19, 1985

Filed:

Mar. 18, 1983
Applicant:
Inventors:

Takuma Kobayashi, Otsu, JP;

Hironobu Kitagawa, Otsu, JP;

Shigeo Kobayashi, Otsu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525408 ; 525411 ; 525437 ; 525438 ; 525449 ; 528297 ;
Abstract

An improved polyester type block copolymer composition having a rubber-like elasticity, particularly having excellent heat resistance and water resistance, which comprises a polyester type block copolymer produced from a crystalline aromatic polyester and a lactone in melt-admixture with at least one epoxy compound and optionally further with a carboxylic acid compound selected from an ethylene-carboxylic acid copolymer and an aliphatic carboxylic acid metal salt.


Find Patent Forward Citations

Kobayashi, Takuma. (1985). Polyester type block copolymer composition (U.S. Patent No. 4500686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4500686

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

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