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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 6320042 B1

PDFFull Text
Date of Patent:
Nov. 20, 2001

Filed:

Feb. 29, 2000

Polarizing plate protective cellulose triacetate film

Applicant:
Inventors:

Isamu Michihata, Hino, JP;

Masahito Takada, Hino, JP;

Kunio Shimizu, Hino, JP;

Koichi Nagayasu, Hino, JP;

Noriki Tachibana, Hino, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:

Frishauf, Holtz, Goodman, Langer & Chick, P.C.

Primary Examiner:

David Brunsman

Int. Cl.
CPC ...
C08L 1/12 ; C09D / ; B32B 2/320 ; G02F 1/1335 ;
U.S. Cl.
CPC ...
C08L 1/12 ; C09D / ; B32B 2/320 ; G02F 1/1335 ;
Abstract

A cellulose triacetate film characterized in being comprised of cellulose triacetate which is prepared by employing cotton liter as the raw material, having a value of weight average molecular weight Mw/number average molecular weight Mn of 3.5 to 4.5, or being comprised of cellulose triacetate which is prepared by employing wood pulp as the raw material, having a value of weight average molecular weight Mw/number average molecular weight Mn of 4.0 to 5.0.

Find Patent Forward Citations

Michihata, Isamu. (2001). Polarizing plate protective cellulose triacetate film (U.S. Patent No. 6320042). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6320042

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

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