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:
Dec. 26, 2006
Filed:
Nov. 19, 2004
Koichi Kinoshita, Kakogawa, JP;
Fumio Osakada, Okayama, JP;
Yasuyoshi Ueda, Himeji, JP;
Karunakaran Narasimhan, West Chester, OH (US);
Angella Christine Cearley, Hamilton, OH (US);
Kenneth Yee, Cincinnati, OH (US);
Isao Noda, Fairfield, OH (US);
Koichi Kinoshita, Kakogawa, JP;
Fumio Osakada, Okayama, JP;
Yasuyoshi Ueda, Himeji, JP;
Karunakaran Narasimhan, West Chester, OH (US);
Angella Christine Cearley, Hamilton, OH (US);
Kenneth Yee, Cincinnati, OH (US);
Isao Noda, Fairfield, OH (US);
Kaneka Corporation, Osaka, JP;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
The present invention provides a method for easily obtaining a biodegradable polyhydroxyalkanoate by a solvent extraction method. A method for producing a polyhydroxyalkanoate crystal comprises mixing a solution of a polyhydroxyalkanoate in a good solvent with a poor solvent at 50 to 130° C. to precipitate a polyhydroxyalkanoate.