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:
Nov. 21, 2000
Filed:
Dec. 31, 1998
Applicant:
Inventors:
Deenadayalu Chundury, Newburgh, IN (US);
Roy Sanford, Dale, IN (US);
Assignee:
Ferro Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524127 ; 524505 ;
Abstract
The present invention provides a new and improved flame retardant polypropylene composition that exhibits substantially no bloom and plate-out during processing and use. In a preferred embodiment the composition comprises a homopolymer or copolymer of polypropylene, a styrene butadiene compatibilizer, a bromine and phosphorus containing flame retardant additive and a metallocene ethylene copolymer. In addition to displaying excellent color development characteristics, the composition of the present invention displays excellent physical properties and a UL94 rating of V-2.