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:
Oct. 10, 2006
Filed:
Nov. 19, 2004
Applicants:
Shekhar V. Kulkarni, Overland Park, KS (US);
Joe J. Hanson, Holt, MO (US);
Inventors:
Shekhar V. Kulkarni, Overland Park, KS (US);
Joe J. Hanson, Holt, MO (US);
Assignee:
Bayer Cropscience LP, Research Triangle Park, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for the preparation of as 1-(4-Chlorophenyl)-4,4-dimethylpent-1-ene-3-one, also known as Phenyl aldol. The process of the present invention utilizes catalysts. The process enables the manufacture of the Phenyl aldol in the absence of a solvent and without crystalization or filtration steps. Yields in the range of about greater than 95% with purities in the range of about greater than 95% have been obtained with the present invention.