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:
May. 28, 1991
Filed:
Apr. 14, 1987
Applicant:
Inventors:
Kenji Murakami, Tokyo, JP;
Yasuaki Tonooka, Tokyo, JP;
Norie Saito, Tokyo, JP;
Kokichi Nakasuji, Tokyo, JP;
Norifumi Sugiyama, Tokyo, JP;
Assignee:
Daiichi Seiyaku Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435 691 ; 435 693 ; 435 694 ; 435 695 ; 435212 ; 435226 ; 4352401 ;
Abstract
A method of producing desired peptides by transforming mammalian cells and cultivating the transformed cells can be improved by using myeloma cells as the mammalian cells and/or using a vector having the SV40 early promoter sequence on both the 5' upstream and 3' downstream sides of the gene coding for the desired peptide.