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. 15, 2008
Filed:
Oct. 12, 2004
Reinhard Lantzsch, Wuppertal, DE;
Wolfgang Jörges, Odenthal, DE;
Sergiy Pazenok, Solingen, DE;
Bayer CropScience AG, Monheim, DE;
Abstract
The present invention relates to a process for preparing 2-dihaloacyl-3-aminoacrylic esters of the formula (I) by reactingacid halides of the formula (II) with dialkylaminoacrylic esters of the formula (III) in which R, R, R, X, Xand Hal are each as defined in the disclosure in a water-immiscible organic solvent in the presence of a base, to the novel 2-dihaloacyl-3-aminoacrylic esters of the formula (I) themselves, to their use for preparing 3-dihalomethylpyrazoles, to a process for preparing 3-dihalo-methylpyrazoles, and to novel 3-dihalomethylpyrazoles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile