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. 20, 1990
Filed:
Oct. 03, 1986
Applicant:
Inventor:
Eugene B Dowdle, Cape Town, ZA;
Assignee:
South African Inventions Development Corporation, Pretoria, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; A01N / ; A61K / ;
U.S. Cl.
CPC ...
435226 ; 435814 ; 435815 ; 4241951 ;
Abstract
For selectively and reversibly adsorbing tPA, pro-tPA or mixtures thereof, from an aqueous medium, for example, derived from a melanoma cell culture, the aqueous medium is intimately contacted with an affinity reagent comprising an immobilized Kunitz-type inhibitor, substantially as occurs in and is extractable from seeds of an Erythrina species, e.g., Erythrina latissima, having Erythrina species, the following combination of characteristics:
Dowdle, Eugene. (1990). Plasminogen activator (U.S. Patent No. 4902623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4902623
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile