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:
Mar. 01, 2011
Filed:
Oct. 27, 2005
Applicants:
Martin Sesing, Waldsee, DE;
Thorsten Rohde, Mannheim, DE;
Eckhard Stroefer, Mannheim, DE;
Jochem Henkelmann, Mannheim, DE;
Inventors:
Martin Sesing, Waldsee, DE;
Thorsten Rohde, Mannheim, DE;
Eckhard Stroefer, Mannheim, DE;
Jochem Henkelmann, Mannheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 263/10 (2006.01); C07C 265/12 (2006.01); C07C 265/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing polyisocyanates by reacting primary amines with phosgene in the presence of a solvent, wherein ionic liquids are used as solvents.