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. 26, 1996
Filed:
Nov. 12, 1993
Applicant:
Inventors:
Daniel M Wasleski, Raytown, MO (US);
David T Erdman, Kansas City, MO (US);
Peter E Newallis, Leawood, KS (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
544243 ; 544298 ; 5483351 ;
Abstract
O,O-dialkyl pyrimidylphosphates are made by reacting an O,O-dialkyl phosphorohalothioate with a 5-hydroxypyrimidine in the presence of an imidazole phase transfer catalyst, an aromatic solvent and an alkali metal hydroxide at a pH of from about 8 to about 12 and a temperature of up to about 70.degree. C. The products of this process are obtained in high yield. These compounds are useful as pesticides and insecticides.