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:
Mar. 10, 1981
Filed:
Jul. 25, 1979
Applicant:
Inventors:
Peter Christophliemk, Dusseldorf, DE;
Riza N Oezelli, Neuss, DE;
Guenther Tischbirek, Dusseldorf, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA), Dusseldorf-Holthausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 28 ; 427387 ; 428447 ; 428450 ; 556410 ;
Abstract
This invention is directed to an improved process for the preparation of condensable, film-forming organosilazanes by ammonolysis of organohalosilanes with liquid ammonia, the improvement comprising reacting a from about 5 to 15% by weight solution of organohalosilane in inert solvent with excess liquid ammonia under pressure at temperatures between 0.degree. and 50.degree. C.
Christophliemk, Peter. (1981). Process for preparing organosilazanes (U.S. Patent No. 4255549). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4255549
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile