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. 23, 2012
Filed:
Dec. 15, 2008
Applicants:
Martin Brahm, Odenthal, DE;
Frank Richter, Leverkusen, DE;
Thomas Voigt, Langenfeld, DE;
Reinhard Halpaap, Odenthal, DE;
Inventors:
Martin Brahm, Odenthal, DE;
Frank Richter, Leverkusen, DE;
Thomas Voigt, Langenfeld, DE;
Reinhard Halpaap, Odenthal, DE;
Assignee:
Bayer MaterialScience AG., Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 263/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a new industrial process for producing low-monomer-content organic polyisocyanates by oligomerization of organic diisocyanates in a two-phase system.