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:
Feb. 25, 1992
Filed:
Jan. 23, 1990
Applicant:
Inventors:
Patrick Noireaux, Le Mans, FR;
Jean Jamet, Carignan de Bordeaux, FR;
Michel Parlier, Voisins-le-Bretonneaux, FR;
Marie-Pierre Bacos, Sceaux, FR;
Assignees:
National d'Etudes et de Recherches Aerospatiales (ONERA), Chatillon, FR;
Institut de Recherche/Appliquee sur les Polymeres, Le Mans, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525478 ; 528 10 ; 528 31 ; 528 32 ; 556430 ;
Abstract
Low viscosity, crosslinkable polysilanes that are liquid at ambient temperatures and essentially free of volatiles, well adapted for conversion into silicon carbide ceramics at elevated temperatures, are prepared by (a) reacting at least one silane monomer of the formula (1):