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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 5191023 B1

PDFFull Text
Date of Patent:
Mar. 02, 1993

Filed:

Jul. 08, 1991

Block-copolymerized-rubber-modified styrene copolymers

Applicant:
Inventors:

Mune Iwamoto, Osaka, JP;

Norifumi Ito, Kanagawa, JP;

Tetsuyuki Matsubara, Kanagawa, JP;

Kazuo Sugazaki, Kanagawa, JP;

Toshihiko Ando, Kanagawa, JP;

Assignee:

Mitsui Toatsu Chemicals, Inc., Tokyo, JP;

Attorney:

Burns, Doane, Swecker & Mathis

Primary Examiner:

James J Seidleck

Assistant Examiner:

Vasu S Jagannathon

Int. Cl.
CPC ...
C08F / ; C08L / ;
U.S. Cl.
CPC ...
525314 ; 525 53 ; 525 92 ; 525 93 ; 525 94 ; 525 95 ; 525 96 ; 525 99 ; 525282 ; 525310 ; 525316 ;
Abstract

The present invention relates to rubber-modified styrene copolymer that exhibits excellent rigidity, impact strength, external appearance and fluidity, while retaining rigidity, impact properties and external appearance, and when prepared by copolymerizing a maleimide monomer, has high heat resistance and therefore is suitable for materials for components of electric equipments, electronic equipments, automobiles and business machines.

Find Patent Forward Citations

Iwamoto, Mune. (1993). Block-copolymerized-rubber-modified styrene copolymers (U.S. Patent No. 5191023). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5191023

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