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:
Sep. 19, 1978
Filed:
Jul. 25, 1977
Applicant:
Inventor:
Erik Pedersen, Olstykke, DK;
Assignee:
Nordisk Insulinlaboratorium, Gentofte, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07G / ;
U.S. Cl.
CPC ...
2601 / ; 2601 / ; 2601 / ; 424108 ; 424109 ;
Abstract
Protein hormones are fractionated and isolated from extracts of pituitary glands or tissues. Increased yield and purity of the growth hormone is obtained by using controlled amounts of polyethylene glycol as precipitating agent at pH = 4-6, preferably 4.5-5.0 and separating the precipitated fractions.