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:
Mar. 21, 2006
Filed:
Feb. 03, 2000
Masatoshi Kawata, Tokyo, JP;
Akio Okamoto, Tokyo, JP;
Yoshiaki Miyata, Tokyo, JP;
Kazuhiro Ohshima, Tokyo, JP;
Osamu Yamamoto, Tokyo, JP;
Teruzou Miyoshi, Tokyo, JP;
Kazuhiko Arai, Niigata, JP;
Hironoshin Kitagawa, Tokyo, JP;
Toshihiko Umeda, Tokyo, JP;
Hiroshi Kaneko, Tokyo, JP;
Masatoshi Kawata, Tokyo, JP;
Akio Okamoto, Tokyo, JP;
Yoshiaki Miyata, Tokyo, JP;
Kazuhiro Ohshima, Tokyo, JP;
Osamu Yamamoto, Tokyo, JP;
Teruzou Miyoshi, Tokyo, JP;
Kazuhiko Arai, Niigata, JP;
Hironoshin Kitagawa, Tokyo, JP;
Toshihiko Umeda, Tokyo, JP;
Hiroshi Kaneko, Tokyo, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
Production of a hyaluronic acid gel, which comprises keeping hyaluronic acid in water at a hyaluronic acid concentration of at least 5 wt % in the presence of an acid component in an amount at least equimolar with the carboxyl groups in the hyaluronic acid.