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. 25, 1997
Filed:
May. 30, 1995
Applicant:
Inventors:
Carl-Henrik Heldin, Uppsala, SE;
Christer Betsholtz, Uppsala, SE;
Bengt Westermark, Uppsala, SE;
Timothy J Knott, London, GB;
James Scott, Harrow, GB;
Graeme I Bell, San Francisco, CA (US);
Assignee:
Chiron Corporation, Emeryville, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435 694 ; 536 235 ; 4352551 ; 4352552 ; 4353201 ;
Abstract
DNA encoding two forms of PDGF A-chain polypeptide, the construction of expression vectors for expressing such DNA in yeast and mammalian cells, and the expression of such DNA in yeast and mammalian cells to produce active PDGF A-chain homodimer and active PDGF A-chain/B-chain heterodimer are disclosed.