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. 05, 1989
Filed:
Apr. 01, 1987
Masanori Hashimoto, Yamato, JP;
Takeshi Yamamoto, Takatsuki, JP;
Toru Kawachi, Yamato, JP;
Junji Kuwashima, Toyonaka, JP;
Hirokazu Kitaoka, Hirakata, JP;
Dainippon Pharmaceutical Co., Ltd., Osaka, JP;
Kurita Water Industries Ltd., Tokyo, JP;
Abstract
Agent for the removal of nucleic acids and/or endotoxin from a liquid containing the nucleic acids and/or endotoxin and further useful substances (e.g. proteins, hormones, etc.), which comprises as an active ingredient a chitosan having a low molecular weight, particularly that having an intrinsic viscosity of 0.01 to 5 (dl/g) and further a colloid equivalent of not less than 2 meq/g of evaporated residue.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile