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:
Jul. 22, 2014
Filed:
Apr. 24, 2012
Thomas Himmler, Odenthal, DE;
Matthias Decker, Köln, DE;
Ralf Dunkel, Leichiingen, DE;
Peter Gerdes, Aachen, DE;
Martin Littmann, Leverkusen, DE;
Norbert Lui, Odenthal, DE;
Albert Schnatterer, Leverkusen, DE;
Thomas Himmler, Odenthal, DE;
Matthias Decker, Köln, DE;
Ralf Dunkel, Leichiingen, DE;
Peter Gerdes, Aachen, DE;
Martin Littmann, Leverkusen, DE;
Norbert Lui, Odenthal, DE;
Albert Schnatterer, Leverkusen, DE;
Bayer Intellectual Property GmbH, Monheim, DE;
Abstract
A process is described for producing 2-chloroallyl isothiocyanate from 2,3-dichloro-1-propene by reacting the 2,3-dichloro-1-propene with a thiocyanate in the presence of a phase transfer catalyst, without diluent or in the presence of up to 15 percent by weight based on 2,3-dichloropropene and simultaneously in the presence of an excess of from 10 to 200 mol percent of 2,3-dichloro-1-propene based on the thiocyanate. A process starting from 1,2,3-trichloropropane is also described.