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:
Sep. 09, 2014
Filed:
Dec. 01, 2010
Applicant:
Takushi Yoshida, Kunitachi, JP;
Inventor:
Takushi Yoshida, Kunitachi, JP;
Assignee:
Kewpie Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); A61K 8/73 (2006.01); A61K 31/728 (2006.01); A23L 1/30 (2006.01);
U.S. Cl.
CPC ...
C08B 37/0069 (2013.01); A61K 8/735 (2013.01); A61K 31/728 (2013.01); A23L 1/30 (2013.01);
Abstract
Provided a method of producing a purified hyaluronic acid type which comprises adding a water-soluble organic medium to a solution which comprises a hyaluronic acid type having an average molecular weight of 400 to 100,000 and has a pH of 3 or less to obtain a suspension, and adjusting a pH of the suspension in a range of 3.5 to 8 to precipitate a purified hyaluronic acid type.
Yoshida, Takushi. (2014). Method of purifying a low molecular weight hyaluronic acid or cationized hyaluronic acid via precipitation from aqueous solution by addition of alcohol or acetone followed by ph adjustment (U.S. Patent No. 8829180). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8829180
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile