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:
Nov. 17, 1981
Filed:
May. 12, 1980
Applicant:
Inventor:
Maurice M Zwick, Stamford, CT (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; D01F / ;
U.S. Cl.
CPC ...
264564 ; 264565 ; 264211 ;
Abstract
Extrusion of a homogeneous single phase fusion melt of acrylonitrile polymer and water through a circular die into a steam-pressurized solidification zone enables the tubular film formed to be drawn longitudinally and expanded transversely to provide a biaxially oriented barrier film especially suitable for food wrapping.
Zwick, Maurice. (1981). Process for biaxially oriented acrylonitrile polymer barrier film (U.S. Patent No. 4301112). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4301112
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile