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. 17, 1992
Filed:
Feb. 07, 1989
Applicant:
Inventors:
Jeane Segall, Haifa, IL;
Leonard M Shorr, Haifa, IL;
Assignee:
Bromine Compounds Ltd., Beer-Sheva, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558110 ; 502213 ;
Abstract
A process is described according to which triaryl phosphates are prepared by the reaction of one or more phenols with H.sub.3 PO.sub.4, in the presence of a hard cation as a catalyst. Novel catalysts and catalyst precursors for this purpose are described.