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:
May. 29, 2012
Filed:
Jul. 27, 2010
Applicants:
Norbert Lui, Odenthal, DE;
Sergii Pazenok, Solingen, DE;
Yuriy Grigorievich Shermolovich, Kiew, UA;
Inventors:
Assignee:
Bayer CropScience AG, Monheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing 2,2-difluoroethylamine proceeding from 2,2-difluoro-1-haloethane using ammonia in a solvent which has a maximum water content of 15% by volume and in the presence of a catalyst which accelerates the reaction with ammonia.