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:
Jun. 23, 2026

Filed:

Nov. 20, 2020
Applicant:

Covestro Intellectual Property Gmbh & Co. KG, Leverkusen, DE;

Inventors:

Ralf Hufen, Duisburg, DE;

Marius Nolte, Cologne, DE;

Assignee:

Covestro Deutschland AG, Leverkusen, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 64/06 (2006.01); B29C 45/00 (2006.01); C08F 220/14 (2006.01); C08F 267/06 (2006.01); C08F 283/12 (2006.01); C08G 63/183 (2006.01); C08G 77/442 (2006.01); C08K 5/5399 (2006.01); B29K 69/00 (2006.01); B29K 83/00 (2006.01); B29K 267/00 (2006.01);
U.S. Cl.
CPC ...
C08G 64/06 (2013.01); B29C 45/0001 (2013.01); C08F 220/14 (2013.01); C08F 267/06 (2013.01); C08F 283/12 (2013.01); C08G 63/183 (2013.01); C08G 77/442 (2013.01); C08K 5/5399 (2013.01); B29K 2069/00 (2013.01); B29K 2083/00 (2013.01); B29K 2267/006 (2013.01);
Abstract

The present invention relates to a molding compound containing A) 45 to 65 wt. % of at least one aromatic polycarbonate, polyester carbonate or mixtures thereof, B) 18 to 31 wt. % of at least one polybutylene terephthalate having rheological properties of 5 g/10 min to 30 g/10 min determined according to DIN EN ISO 1133 at 250° C. measuring temperature and a load of 2.16 kg, C) 3 to 10 wt % of at least one rubber-modified graft polymer with a graft base consisting of a silicone-acrylate composite rubber and a silicone rubber content of 20 to 60 wt. % relative to the graft base, D) 8 to 13 wt. % of at least one phosphazene, and E) 0 to 8.0 wt. % of at least one polymer additive, the weight ratio of components D to C) being in the range of 1.3:1 to 2.5:1. The invention also relates to a method for producing the molding compound, to the use of the molding compound for producing moldings and to the moldings as such.


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