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:
May. 23, 2017
Filed:
Feb. 29, 2012
Applicants:
Feina Cao, Canton, MI (US);
Greg S. Nestlerode, Norton, OH (US);
Qiwei LU, Seven Hills, OH (US);
Inventors:
Assignee:
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/42 (2006.01); C08L 75/04 (2006.01); C08G 18/48 (2006.01); C08K 5/5317 (2006.01);
U.S. Cl.
CPC ...
C08L 75/04 (2013.01); C08G 18/42 (2013.01); C08G 18/48 (2013.01); C08K 5/5317 (2013.01);
Abstract
The present invention relates to flame retardant thermoplastic polyurethane (TPU) compositions that are prepared by compounding certain TPU's and with a polyphosphonate homopolymer or copolymer, and more specifically TPU compositions that pass ASTM E84 Class 1 and UL94 V0 ratings. The invention also relates to compositions that further include an inherently dissipative polymer to provide a TPU composition that has flame retardant properties, electrostatic discharge performance, good clarity and/or transparency, or any combination thereof.