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. 07, 2000
Filed:
Oct. 20, 1997
Applicant:
Inventors:
Paula N Belloni, Half Moon Bay, CA (US);
Donald R Hirschfeld, Mountain View, CA (US);
John O Link, San Francisco, CA (US);
John J Nestor, Jr, Louisville, KY (US);
Gary A Peltz, Redwood City, CA (US);
Assignee:
Syntex (U.S.A.) Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
514626 ; 514477 ; 514478 ; 514546 ; 514590 ; 560155 ; 560157 ; 560160 ; 560168 ; 564 34 ; 564197 ; 564159 ;
Abstract
This invention provides novel cationic lipids, particularly guanidino lipids, and methods for their preparation. Also provided are polyanionic-lipid complexes comprising the lipids of the invention, their preparation and use to deliver biologically active substances, particularly nucleic acids to cells.