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:
Jan. 27, 1987
Filed:
Jun. 06, 1984
Applicant:
Inventors:
Katsuji Ueno, Hirakata, JP;
Kenji Nagaoka, Hirakata, JP;
Akira Miyashita, Ibaraki, JP;
Satoshi Ebisu, Ibaraki, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ; B29C / ; C08J / ;
U.S. Cl.
CPC ...
264 83 ; 264239 ; 264345 ; 264D / ; 4284735 ; 525436 ; 528350 ; 528483 ;
Abstract
In a process for producing a formed article of aromatic polyamide-imide resin by compression-molding at the temperature lower than the melting temperature of the resin, the improvement which comprises subjecting the resin, prior to the molding, to heat treatment in an oxygen-containing gas under conditions satisfying the following equation
Ueno, Katsuji. (1987). Process for producing formed articles of aromatic polyamide-imide resin (U.S. Patent No. 4639344). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4639344
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile