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:
Feb. 19, 2013
Filed:
Aug. 21, 2008
Applicants:
Herbert Stutz, Dormagen, DE;
Frank Diehl, Leichlingen, DE;
Alexander Schwarz, Leverkusen, DE;
Rainer Bruns, Leverkusen, DE;
Inventors:
Herbert Stutz, Dormagen, DE;
Frank Diehl, Leichlingen, DE;
Alexander Schwarz, Leverkusen, DE;
Rainer Bruns, Leverkusen, DE;
Assignee:
Bayer MaterialScience AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 263/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes comprising providing an amine reactant, and reacting the amine reactant with a stream of phosgene in a reaction zone to form a product comprising a corresponding isocyanate, wherein the phosgene stream has a CO content of 0.5% by weight or more.