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:
Oct. 05, 1993
Filed:
May. 05, 1992
Applicant:
Inventors:
Yoshiyuki Kanai, Tokyo, JP;
Akira Awaya, Yokohama, JP;
Assignee:
Mitsui Toatsu Chemicals Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ; C07K / ; A61K / ;
U.S. Cl.
CPC ...
530351 ; 424 851 ; 424 857 ; 530829 ; 530868 ; 530350 ;
Abstract
B cell differentiation factor which acts on B cells and participates in their differentiation into antibody-producing cells is produced by an established cell line.