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.

Date of Patent:
Sep. 16, 2014

Filed:

Jul. 11, 2011
Applicants:

Hans-georg Pirkl, Leverkusen, DE;

Manfred Schmidt, Dormagen, DE;

Robert Vieler, Dormagen, DE;

Ursula Tracht, Leverkusen, DE;

Peter Weuta, Leverkusen, DE;

Sigurd Buchholz, Köln, DE;

Inventors:

Hans-Georg Pirkl, Leverkusen, DE;

Manfred Schmidt, Dormagen, DE;

Robert Vieler, Dormagen, DE;

Ursula Tracht, Leverkusen, DE;

Peter Weuta, Leverkusen, DE;

Sigurd Buchholz, Köln, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/00 (2006.01); C07C 263/16 (2006.01); B29B 7/76 (2006.01); C08G 18/10 (2006.01); C08G 18/08 (2006.01);
U.S. Cl.
CPC ...
C07C 263/16 (2013.01); B29B 7/7663 (2013.01); C08G 18/10 (2013.01); C08G 18/0895 (2013.01);
Abstract

The present invention relates to the technical field of isocyanates. The present invention provides a method for preparing NCO prepolymers by reacting a stoichiometric excess of an organic isocyanate with an isocyanate-reactive component, the reaction components being mixed together and the mixture being introduced directly into a storage or transport vessel, where it reacts to completion.


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