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:
Mar. 24, 1992
Filed:
Jan. 26, 1989
Applicant:
Inventor:
Ruth H Pater, Tabb, VA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08J / ; C08K / ;
U.S. Cl.
CPC ...
525422 ; 524495 ; 525432 ; 525903 ;
Abstract
This invention is a semi-interpenetrating polymer network which includes a high performance thermosetting polyimide having a nadic end group acting as a crosslinking site and a high performance linear thermoplastic polyimide having the following repeating unit: ##STR1## Provided is an improved high temperature matrix resin which is capable of performing at 316.degree. C. in air for several hundreds of hours. This resin has significantly improved toughness and microcracking resistance, excellent processability and mechanical performance, and cost effectiveness.
Quick Actions:
Pater, Ruth. (1992). Semi-interpenetrating polymer network for tougher and more microcracking (U.S. Patent No. 5098961). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5098961
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile