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:
Sep. 24, 1996
Filed:
Feb. 18, 1994
Applicant:
Inventors:
Katsuo Kumagai, Sendai, JP;
Hidemi Rikiishi, Tagajo, JP;
Keiji Tamura, Sendai, JP;
Shunji Sugawara, Sendai, JP;
Eiji Nemoto, Tokyo, JP;
Shigefumi Okamoto, Sendai, JP;
Tokio Onta, Tokyo, JP;
Assignee:
Kabushiki Kaisha Saikin Kagaku Kenkyujo, Miyagi-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ; C12N / ; C12Q / ;
U.S. Cl.
CPC ...
530350 ; 530416 ; 530417 ; 435 29 ; 4352534 ; 435803 ; 435885 ;
Abstract
A biologically active, stable protein with a molecular weight of 20,000 to 30,000 and an isoelectric point of 8.0-10.0 is produced from the culture fluid of Streptococcus pyogenes and purified. The purified biologically active protein produces lymphocyte proliferation, provides protection against bacterial and viral infection and restricts minor metastasis.