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. 06, 2000
Filed:
Jun. 06, 1994
Applicant:
Inventors:
Michael Kriegler, San Francisco, CA (US);
Carl F Perez, Berkeley, CA (US);
Assignee:
Chiron Corporation, Emeryville, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
424 9321 ; 424 931 ; 424 936 ; 514 44 ; 435 691 ; 4353201 ; 435325 ; 435455 ;
Abstract
A virion expression system for a desired protein packaged in an envelope derived from a retrovirus useful in administering proteins which cross cell membranes in order to serve their function. Preferred virions are those that carry an RNA sequence that encodes cytokines or lymphokines, and includes IL-2, multiple drug resistance protein, and TNF.