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. 04, 2016
Filed:
Jul. 15, 2011
Applicants:
Dorota Greszta-franz, Solingen, DE;
Hans-josef Laas, Odenthal, DE;
Reinhard Halpaap, Odenthal, DE;
Dieter Mager, Leverkusen, DE;
Hans-ulrich Meier-westhues, Leverkusen, DE;
Inventors:
Dorota Greszta-Franz, Solingen, DE;
Hans-Josef Laas, Odenthal, DE;
Reinhard Halpaap, Odenthal, DE;
Dieter Mager, Leverkusen, DE;
Hans-Ulrich Meier-Westhues, Leverkusen, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/72 (2006.01); C08L 75/04 (2006.01); C08G 18/38 (2006.01); C08G 18/42 (2006.01); C08G 18/66 (2006.01); C08G 18/76 (2006.01); C08G 18/78 (2006.01); C08G 18/79 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08L 75/04 (2013.01); C08G 18/3876 (2013.01); C08G 18/4211 (2013.01); C08G 18/4277 (2013.01); C08G 18/664 (2013.01); C08G 18/724 (2013.01); C08G 18/765 (2013.01); C08G 18/7628 (2013.01); C08G 18/7642 (2013.01); C08G 18/7831 (2013.01); C08G 18/792 (2013.01); C08G 18/794 (2013.01); C08G 18/795 (2013.01); C08G 18/798 (2013.01); G02B 1/041 (2013.01);
Abstract
The invention relates to novel solvent-free, monomer-depleted polyisocyanate mixtures, and to the use thereof for producing light-resistant and weather-resistant polyurethane bodies with high optical refraction and low optical dispersion.