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. 21, 1982
Filed:
Feb. 10, 1980
Applicant:
Inventors:
Allan Lipton, Hershey, PA (US);
Nancy Kepner, Port Royal, PA (US);
Assignee:
Research Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07G / ; C12N / ; C12P / ;
U.S. Cl.
CPC ...
424177 ; 435 68 ; 435240 ; 435241 ; 2601 / ;
Abstract
A purified cell growth factor is produced which comprises a substantially purified glycoproteinaceous factor from platelets which has mitogenic activity toward transformed cells, a molecular weight of 3,000-5,000 daltons and a pI of 7.8-8.3. The growth factor is stable to treatment with 4M guanidine hydrochloride, and is heat labile when treated at 100.degree. C. for 5 minutes.