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:
Apr. 27, 1993

Filed:

Sep. 30, 1991
Applicant:
Inventors:

M Jamal El-Hibri, Roswell, GA (US);

John L Melquist, Naperville, IL (US);

Assignee:

Amoco Corporation, Chicago, IL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525434 ; 525436 ;
Abstract

Blends comprising a polyether sulfone and an imide-containing copolymer of sulfonyl bis(phthalic anhydride), 1,4-bis(p-aminocumyl) benzene and at least one of a selected group of diamine comonomers. The blends display a unique combination of excellent mechanical and thermal properties as well as good solubility and easy melt-fabricability; in addition, the resin components are compatible, and many compositions are unexpectedly miscible.


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