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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 9061441 B1

PDFFull Text
Date of Patent:
Jun. 23, 2015

Filed:

Apr. 22, 2011

Method for producing vinyl alcohol resin

Applicants:

Keisuke Fujimura, Osaka, JP;

Osamu Hommura, Osaka, JP;

Yasufumi Beniya, Osaka, JP;

Satoshi Matsunuma, Osaka, JP;

Inventors:

Keisuke Fujimura, Osaka, JP;

Osamu Hommura, Osaka, JP;

Yasufumi Beniya, Osaka, JP;

Satoshi Matsunuma, Osaka, JP;

Assignee:

THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD., Osaka, JP;

Attorney:

Kratz, Quintos & Hanson, LLP

Primary Examiner:

David W Wu

Assistant Examiner:

Marie Reddick

Int. Cl.
CPC ...
C08L 29/04 (2006.01); B29B 7/42 (2006.01); B29B 7/84 (2006.01); C08F 6/00 (2006.01); B29C 47/36 (2006.01); B29C 47/38 (2006.01); B29C 47/60 (2006.01);
U.S. Cl.
CPC ...
B29B 7/42 (2013.01); B29B 7/845 (2013.01); C08F 6/008 (2013.01); B29C 47/366 (2013.01); B29C 47/385 (2013.01); B29C 47/6056 (2013.01); B29C 47/6087 (2013.01);
Abstract

A method of producing a vinyl alcohol resin having a water content of not higher than 10 wt % by performing a multistage dewatering process by means of a kneading machine. The method permits efficient dewatering of a highly hydrous vinyl alcohol resin to ensure easy production of a lower water content vinyl alcohol resin having a water content of not higher than 10 wt %, thereby reducing production costs.

Find Patent Forward Citations

Fujimura, Keisuke. (2015). Method for producing vinyl alcohol resin (U.S. Patent No. 9061441). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9061441

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

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