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. 01, 2013
Filed:
Feb. 20, 2004
Applicants:
Andreas Brodhagen, Bierbeeg, BE;
Martin Sohn, Mannheim, DE;
Filip Nevejans, St. Gillis-Waas, BE;
Eckhard Stroefer, Mannheim, DE;
Andreas Woelfert, Bad Rappenau, DE;
Steffen Oehlenschlaeger, Ludwigshafen, DE;
Inventors:
Andreas Brodhagen, Bierbeeg, BE;
Martin Sohn, Mannheim, DE;
Filip Nevejans, St. Gillis-Waas, BE;
Eckhard Stroefer, Mannheim, DE;
Andreas Woelfert, Bad Rappenau, DE;
Steffen Oehlenschlaeger, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 249/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing polyisocyanates by reacting primary amines with phosgene, which comprises the steps
Brodhagen, Andreas. (2013). Method for producing polyisocyanates (U.S. Patent No. 8546606). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8546606
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile