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:
Jul. 05, 1977

Filed:

Nov. 13, 1975
Applicant:
Inventor:

Constance A Lane, Philadelphia, PA (US);

Assignee:

Rohm and Haas Company, Philadelphia, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260835 ; 260836 ;
Abstract

A multiple stage polymer having a rubbery first stage and an epoxy functional hard final stage, a method for improving the notched Izod impact strength and melt strength of poly(alkylene terephthalates), compositions comprising poly(alkylene terephthalates) and the multiple stage polymer, and articles molded therefrom are disclosed.


Find Patent Forward Citations

Loading…