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:
Jan. 01, 1991
Filed:
May. 23, 1989
Applicant:
Inventor:
Robert A Schleifstein, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524169 ; 524371 ;
Abstract
Described are themoplastic condensation polymers containing a polyhaloaromatic aromatic flame retardant and an aromatic bis-sulfonamide having at least two aromatic rings and from 14 to 30 carbon atoms melt flow improver. These sulfonamides are of advantage in that they have relatively low volatilities at polymer processing temperatures.