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:
Apr. 16, 1996
Filed:
Nov. 03, 1994
Applicant:
Inventors:
Gregory R Coughlin, Poughkeepsie, NY (US);
Robert A Falk, New City, NY (US);
Assignee:
Ciba-Geigy Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524251 ; 524323 ; 524380 ; 524393 ; 524462 ; 524463 ; 524583 ;
Abstract
An improvement in barrier properties of films and molded articles containing an organic polymer is achieved by incorporation therein of fluorochemicals, fluoropolymers or mixtures thereof, wherein said fluorochemicals or fluoropolymers contain greater than 40% fluorine by weight and exhibit less than 20% weight loss at 165.degree. C., as measured by thermogravimetric analysis at 20.degree. C. per minute in air. The films and molded articles in accordance with the present invention exhibit improved vapor and chemical barrier properties.