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:
Mar. 30, 1999
Filed:
May. 24, 1995
Applicant:
Inventors:
Michael Kriegler, San Francisco, CA (US);
Carl F Perez, Berkeley, CA (US);
Assignee:
Chiron Corporation, Emeryville, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435360 ; 435325 ; 435363 ; 435366 ; 435371 ; 435372 ; 4353721 ; 435 695 ; 4352523 ; 4353201 ; 424 9321 ; 424 931 ; 424 937 ; 536 235 ; 935 33 ; 935 34 ;
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.