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:
Feb. 10, 2004
Filed:
Feb. 23, 2001
Hiroshi Kawamoto, Minami-Ashigara, JP;
Hiroki Sasaki, Minami-Ashigara, JP;
Minoru Uchida, Minami-Ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
Disclosed is a method of producing a water-soluble chain-extended gelatin subjecting a source a source gelatin having a first isoelectric point, in aqueous solution, to a partial crosslinking reaction to form a reaction mixture comprising a partially crosslinked gelatin having a second isoelectric point, filtering the reaction mixture, adjusting a pH value of the filtered reaction mixture to a value equivalent to the second isoelectric point ±1.5, and concentrating, drying and pulverizing the pH-adjusted reaction mixture.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile