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. 03, 1987
Filed:
Nov. 15, 1985
Applicant:
Inventors:
Katsumi Okuyama, Mie, JP;
Hiroyasu Mizutani, Mie, JP;
Assignee:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ; B29C / ; B29C / ;
U.S. Cl.
CPC ...
264 41 ; 264565 ; 264567 ; 2642107 ; 264211 ; 2642888 ; 2642902 ; 264D / ;
Abstract
A process for producing an air-permeable film is described, comprising stretching in at least one direction a film made of a composition comprising 42 to 87 vol % of a polyolefin resin and 58 to 13 vol % of an inorganic filler and further containing an aliphatic alcohol/fatty acid ester of a fatty acid having 10 to 22 carbon atoms and an aliphatic alcohol having 1 to 12 carbon atoms in an amount of 3 to 25 parts by weight per 100 parts by weight of the above composition.
Okuyama, Katsumi. (1987). Process for the production of air-permeable films (U.S. Patent No. 4704238). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4704238
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile