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:
Apr. 09, 1985
Filed:
Jun. 29, 1983
Applicant:
Inventors:
Koichiro Nakanishi, Ashiya, JP;
Hajime Hiratani, Sennan, JP;
Assignee:
Japan Chemical Research Co., Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435226 ; 435212 ; 435219 ;
Abstract
Human urinary kallikrein is concentrated and purified by the following procedures; (a) Human urine is contacted with chitosan, a high molecular agglutinant obtained from chitin, at a pH from 4.0 to 7.0, thereby kallikrein is adsorbed on the chitosan and (b) kallikrein is eluted from the chitosan with an aqueous alkaline solution having a pH from 8.0 to 12.0.
Nakanishi, Koichiro. (1985). Process for concentrating and purifying human urinary kallikrein (U.S. Patent No. 4510248). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4510248
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile