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:
Nov. 17, 1992
Filed:
Nov. 25, 1991
Applicant:
Inventors:
Lothar Hultner, Munich, DE;
Jochen Moeller, Eichenau, DE;
Catherine Uyttenhove, Gistoux, BE;
Jacques Van Snick, Kraainem, BE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12P / ;
U.S. Cl.
CPC ...
4352402 ; 43524021 ; 43524022 ; 43524024 ; 435 703 ;
Abstract
The glycoprotein known as P40, characterized by a molecular weight of from about 30 to 40 kilodaltons and an isoelectric point of about 10, previously recognized as a helper T cell growth factor, also enhances growth and proliferation of mast cells and their maintenance viability and differentation status in vitro.