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:
Apr. 05, 2005
Filed:
Oct. 18, 2000
Applicants:
Katsuhiro Komase, Tokyo, JP;
Tetsuo Nakayama, Tokyo, JP;
Chikara Aizawa, Kitamoto, JP;
Inventors:
Assignee:
The Kitasata Institute, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K039/155 ; A61K039/165 ; A61K039/175 ; C12N007/04 ; C12N007/00 ; C12N015/45 ;
U.S. Cl.
CPC ...
Abstract
It was found that a mutation of an amino acid at a specific position in the F protein of ainduces a reduction in the cell-fusion ability. By introducing this mutation, a virus having a reduced cell-fusion ability can be produced. Thus, attenuated viruses useful in the preparation of vaccines can be easily produced.