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:
Dec. 25, 1990
Filed:
Mar. 23, 1990
Applicant:
Inventors:
Tsunemichi Imai, Nagoya, JP;
Mamoru Mabuchi, Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 13 ; 75244 ; 419 23 ; 419 24 ; 419 28 ; 419 29 ; 419 53 ; 419 54 ; 419 55 ; 419 60 ;
Abstract
A superplastic composite material is produced by thoroughly and homogeneously mixing particles or whiskers of silicon nitride and aluminum metal powder in a solvent, then removing the solvent from the resultant mixture, sintering the residual mixture at an elevated temperature, further compressing it at an elevated temperature, then hot extrusion-molding the compressed mixture thereby forming a shaped article, and heat-treating this shaped article.
Imai, Tsunemichi. (1990). Method for production of superplastic composite material having aluminum (U.S. Patent No. 4980122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4980122
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile