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:
Jul. 29, 1997
Filed:
Nov. 29, 1994
Applicant:
Inventors:
Michael Kriegler, Ambler, PA (US);
Francis P McCormick, Albany, NY (US);
Assignee:
Chiron Corporation, Emeryville, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
4351723 ; 4353201 ; 435366 ; 435372 ; 424 932 ; 424 9321 ;
Abstract
A drug delivery virion which contains an expression system for the desired protein active ingredient packaged in an envelope derived from a retrovirus is especially useful in administering materials which need to cross cell membranes in order to serve their function.