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:
Jun. 02, 1998
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Philip Leder, Chestnut Hill, MA (US);
Benjamin E Rich, Brookline, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435373 ; 435386 ;
Abstract
Disclosed is a method for the culture of higher eukaryotic cells which are dependent for survival on an exogenous factor. The method involves co-culturing the factor-dependent cells with an immortalized eukaryotic cell that has been engineered to secrete the requisite factor. Also disclosed is a cell line of non-stromal cell origin which secretes interleukin-7.