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:
Jul. 13, 1982
Filed:
Oct. 30, 1981
Applicant:
Inventors:
Sumner M Kalman, Palo Alto, CA (US);
Ruth M Jones, Redwood City, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424177 ; 424101 ; 2601 / ;
Abstract
A proteinaceous cardioactive factor that exhibits positive inotropic activity and positive chronotropic activity has been partially extracted from mammalian plasma by precipitation with polyethylene glycol followed by cation exchange chromatography. The factor may be fractionated into two active fractions, one having an apparent molecular weight of about 130,000 daltons and the other having an apparent molecular weight of about 30,000 daltons, by gel filtration chromatography.