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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.:

US 6319975 B1

PDFFull Text
Date of Patent:
Nov. 20, 2001

Filed:

Oct. 28, 1999

Composition for air permeable film of high processability and permeability and production of air permeable film

Applicant:
Inventors:

Young Keun Lee, Taejon, KR;

Young Wook Kim, Taejon, KR;

Tae Joon Kim, Taejon, KR;

Byoung Cheon Jo, Taejon, KR;

Assignee:

SK Corporation, Seoul, KR;

Attorney:

Abelman, Frayne & Schwab

Primary Examiner:

Edward J Cain

Assistant Examiner:

Katarzyna Wyrozebski

Int. Cl.
CPC ...
C08K 3/30 ; C08K 3/36 ;
U.S. Cl.
CPC ...
C08K 3/30 ; C08K 3/36 ;
Abstract

An air-permeable film is prepared by mono-axially drawing a composition comprising a linear low density polyethylene resin having a mw. distribution from 5 to 20, 1 to 100 parts by weight of propylene resin, 1 to 30 parts by weight of an ethylene-propylene copolymer, 1 to 30 parts by weight of a polyolefin resin which has a melt index of 12 or higher, and 50 to 200 parts by weight of an inorganic filler based on 100 parts by weight of total resin by 1.5 to 3 times.

Find Patent Forward Citations

Lee, Young. (2001). Composition for air permeable film of high processability and permeability and production of air permeable film (U.S. Patent No. 6319975). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6319975

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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