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:
Aug. 18, 1998
Filed:
Aug. 08, 1997
Applicant:
Inventors:
Pawan Kumar Agarwal, Houston, TX (US);
Aspy Keki Mehta, Humble, TX (US);
Wai Yan Chow, Houston, TX (US);
James John McAlpin, Houston, TX (US);
Assignee:
Exxon Chemical Patents Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; B32B / ;
U.S. Cl.
CPC ...
5263481 ; 526351 ; 428500 ; 428523 ; 428910 ;
Abstract
Film is provided wherein, at least one layer comprises polymer, a molecular majority of which is derived from propylene, having water vapor transmission rate of less than or equal to about (-7.4428 g.times..mu.m/m.sup.2 .times.day.times.% polymer crystallinity) (% polymer crystallinity)+627.32 g.times..mu.m/m.sup.2 .times.day, or (-0.0189 g.times.mil/100 in.sup.2 .times.day.times.% polymer crystallinity) (% polymer crystallity)+1.593 g.times.mil/100 in.sup.2 .times.day.