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:
May. 22, 1990
Filed:
Jan. 17, 1989
Applicant:
Inventors:
Jacqueline K Morano, Mountain View, CA (US);
Francis J Martin, San Francisco, CA (US);
Martin Woodle, Menlo Park, CA (US);
Assignee:
Liposome Technology, Inc., Menlo Park, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424450 ; 424-11 ; 264-43 ;
Abstract
A suspension of heterogeneous size liposomes is passed through a polymer filter having a web-like construction providing a network of interconnected, tortuous-path capillary pores, and a membrane thickness of at least about 100 microns. The processed liposomes have a selected average size less than about 0.4 microns, and a narrow size distribution.