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. 18, 2008
Filed:
Nov. 04, 2004
Applicants:
Mikko Karttunen, Tampere, FI;
Satu Kortet, Hämeenlinna, FI;
Mika Paajanen, Tampere, FI;
Inventors:
Assignee:
Valtion Teknillinen Tutkimuskeskus, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of producing a porous plastic film, and a porous plastic film. The plastic film is prepared from a raw material blend comprising a polymer-containing basic material and an additive. Pores are generated in the film by stretching a film preform. The additive comprises a POS(S) chemical.
Karttunen, Mikko. (2008). Method of producing a porous plastic film, and plastic film (U.S. Patent No. 7452593). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7452593
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile