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:
Oct. 10, 1989
Filed:
Feb. 16, 1988
Applicant:
Inventors:
Tamio Serita, Chibashi, JP;
Hiroyuki Takeuchi, Minamtashi, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 65 ; 264 82 ; 501 95 ;
Abstract
Forming a shaped article of polysilazane, contacting this shaped article with dry ammonia at a temperature of 20.degree.-200.degree. C. to thereby effect infusibilization, and finally subjecting the ammonia-treated product to further heat treatment at a higher temperature in a nitrogen atmosphere to thereby produce a shaped ceramic article.
Serita, Tamio. (1989). Method for producing shaped articles of ceramics (U.S. Patent No. 4873039). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4873039
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile