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:
Nov. 19, 1991
Filed:
Dec. 07, 1989
Applicant:
Inventor:
Christian Colombier, Lyons, FR;
Assignee:
Atochem, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525478 ; 501 92 ; 528 10 ; 528 28 ; 528 31 ;
Abstract
Polysilazane-based ceramic precursor compositions, well adapted for high yield pyrolytic conversion into ceramic shaped articles, include a polysilazane component derived from ammonia and a polysilazane component derived from a hydrazine.