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:
Jun. 16, 2009
Filed:
Jul. 30, 2004
Shigeo Shibatani, Otsu, JP;
Shuhei Misawa, Tsuruga, JP;
Izumi Ihara, Otsu, JP;
Hiroaki Kitazawa, Otsu, JP;
Shigeo Shibatani, Otsu, JP;
Shuhei Misawa, Tsuruga, JP;
Izumi Ihara, Otsu, JP;
Hiroaki Kitazawa, Otsu, JP;
Toyo Boseki Kabushiki Kaisha, Osaka-Shi, JP;
Abstract
The invention relates to a method of producing hyaluronic acid including (1) a step of transforming a plant cell using an expression recombinant vector including (i) a DNA encoding hyaluronic acid synthase or (ii) a DNA encoding a polypeptide having an amino acid sequence having one or more amino acid deletions, substitutions, additions or insertions in an amino acid sequence of the hyaluronic acid synthase and having an activity of synthesizing the hyaluronic acid, (2) a step of growing a transformant obtained by transformation, and (3) a step of separating the hyaluronic acid produced by the transformant.