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:
Feb. 13, 1990

Filed:

Feb. 19, 1988
Applicant:
Inventors:

Arie A Hochberg, Montclair, NJ (US);

Varkki P Chacko, Summit, NJ (US);

Paul DeStio, Bound Brook, NJ (US);

Assignee:

Hoechst Celanese Corporation, Somerville, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
428195 ; 524449 ; 524513 ; 524539 ; 525 64 ; 525176 ; 525444 ;
Abstract

A thermoplastic molding composition comprising a polyester blend of polybutylene terephthalate and a copolyester derived from condensing ethylene glycol, cyclohexanedimethanol and terephthalic acid wherein the ethylene glycol units of the copolyester comprises at least 25 mole % based on the total glycol content. The polyester blend can also include an impact modifier. The blend is useful in the formation of molded keycaps.


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