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:
Oct. 26, 1982

Filed:

Feb. 04, 1982
Applicant:
Inventors:

Michael S Cholod, Cornwells Heights, PA (US);

Nipun M Shah, Fayetteville, NC (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528279 ; 528285 ; 2604295 ;
Abstract

A polyethylene terephthalate polycondensation catalyst system comprises from about 2 parts to about 18 parts of catalyst metal in the form of an alkyl titanate and from about 40 parts to about 300 parts of catalyst metal in the form of an antimony compound, each of said metals being per million parts of polymer product.


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