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:
Jun. 14, 1994
Filed:
Jan. 02, 1992
Applicant:
Inventors:
David J Goldwasser, Lake Jackson, TX (US);
Augustin T Chen, Cheshire, CT (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525432 ; 525425 ;
Abstract
Blends of (1) a crystalline polyamide derived from 4,4'-diphenylmethane diisocyanate (MDI) and a dicarboxylic acid and (2) a segmented polyesteramide derived from (a) MDI, (b) a carboxylic acid-terminated polyester prepolymer, a carboxylic acid-terminated polyether prepolymer or a carboxylic acid-terminated polycarbonate prepolymer and (c) from 0 to 10 moles of a dicarboxylic acid per mole of prepolymer, exhibit increased tensile ductility and are useful in the manufacture of headlamp reflectors, electrical connectors, molded circuit boards and the like.