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:
May. 16, 2017

Filed:

Oct. 15, 2012
Applicant:

Bayer Intellectual Property Gmbh, Monheim, DE;

Inventors:

Michael Erkelenz, Duisburg, DE;

Rolf Wehrmann, Krefeld, DE;

Anke Boumans, Goch, DE;

Assignee:

Covestro Deutschland AG, Leverkusen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/04 (2006.01); F21V 9/06 (2006.01); G02B 5/22 (2006.01); G02B 5/26 (2006.01); G02B 1/04 (2006.01); C08K 3/04 (2006.01); C08K 3/38 (2006.01); C08K 3/24 (2006.01); C08K 5/50 (2006.01); C08K 3/10 (2006.01); C08J 3/00 (2006.01); C08J 3/22 (2006.01);
U.S. Cl.
CPC ...
G02B 1/041 (2013.01); C08K 3/04 (2013.01); C08K 3/24 (2013.01); C08K 3/38 (2013.01); C08K 5/50 (2013.01); C08K 2201/011 (2013.01);
Abstract

The invention relates to polymer compositions for the production of mouldings, in particular spectacles and eye-protection equipment, which comply with the provisions of EN 169 (welder protection standard) and EN 1836/2005 (signal light detection). The compositions and mouldings are in particular processable at temperatures above 265° C., recyclable and have a notched impact strength of at least 65 kJ/cm, and they comply with the required optical standards mentioned above.


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