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:
Aug. 23, 1983
Filed:
Jul. 06, 1981
Applicant:
Inventors:
Cornelis A Bruynes, Koudekerk a/d Rijn, NL;
Theodorus K Jurriens, Delft, NL;
Assignee:
Gist-Brocades N.V., Delft, NL;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544315 ; 2602 / ; 2602391 ; 544 26 ; 544 27 ; 548136 ; 548251 ; 548255 ; 548263 ; 548337 ;
Abstract
An improved process for the trimethylsilylation of organic compounds with at least one active hydrogen atom with hexamethyldisilazane, the improvement comprising effecting the reaction in the presence of 0.001 to 10 mole percent of a catalyst of the formula