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:
Apr. 12, 1983
Filed:
Jun. 01, 1982
Applicant:
Inventors:
Mark P Mack, Ponca City, OK (US);
Charles T Berge, Ponca City, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
260413 ; 556442 ;
Abstract
Silyl esters of carboxylic acids, of the general formula ##STR1## are formed under mild conditions in the presence of a phase transfer catalyst when a silicon halide is contacted with a carboxylic acid salt wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each a hydrogen atom or a hydrocarbon radical. Suitable phase transfer catalysts include quaternary ammonium salts, cryptates and crown ethers.