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. 13, 1979
Filed:
Nov. 14, 1977
Applicant:
Inventors:
Karl-Heinz Mitschke, Odenthal, DE;
Gunther Boehmke, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
260986 ; 260951 ;
Abstract
Process for the preparation of phosphates of the formula ##STR1## wherein R represents hydrogen, alkoxy or alkyl having 1 to 8 C atoms, perfluoroalkyl having 1 to 8 C atoms, or halogen, a is 0.05 to 3.0, b is 0, 1, 2 or 3 and c is 1 or 2, by brominating the corresponding aroxyalkyl-(.beta.-chloroalkyl) phosphates, characterized in that aroxyalkyl-(.beta.-chloroalkyl) phosphates are reacted at temperatures between about -10.degree. and 80.degree. C. with an approximately equimolar mixture of bromine and chlorine, especially bromine chloride.