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:
Jun. 29, 2010
Filed:
Dec. 08, 2005
Stefan Wershofen, Mönchengladbach, DE;
Manfred Schmidt, Dormagen, DE;
Hans-georg Pirkl, Leverkusen, DE;
Torsten Hagen, Essen, DE;
Stefan Wershofen, Mönchengladbach, DE;
Manfred Schmidt, Dormagen, DE;
Hans-Georg Pirkl, Leverkusen, DE;
Torsten Hagen, Essen, DE;
Bayer MaterialScience AG, Leverkusen, DE;
Abstract
The invention relates to a process for the production of liquid, storage-stable isocyanate mixtures with a low color index having carbodiimide-(CD) and/or uretone imine (UI) groups, the isocyanate mixtures that can be obtained by this process and their use for the production of blends with other isocyanates or for the production of isocyanate group-containing pre-polymers and also of polyurethane plastics, preferably polyurethane foamed plastics.