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:
Jan. 06, 1981

Filed:

Feb. 16, 1979
Applicant:
Inventors:

William A Fraser, Princeton, NJ (US);

Gary S Cieloszyk, Somerville, NJ (US);

Assignee:

Union Carbide Corporation, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29D / ;
U.S. Cl.
CPC ...
264 406 ; 264564 ; 264237 ; 526128 ;
Abstract

A process for making film from a narrow molecular weight distribution low density ethylene hydrocarbon copolymer, which process comprises extruding said copolymer through a die gap of greater than about 50 mils. The film exhibits an excellent balance of optical and mechanical properties.


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