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:
Sep. 15, 1992
Filed:
Nov. 29, 1989
Applicant:
Inventor:
Donald F Wallach, Brookline, MA (US);
Assignee:
Micro-Pak, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; B01J / ;
U.S. Cl.
CPC ...
4284022 ; 264-41 ; 424 89 ; 424420 ; 424450 ; 436829 ; 514-6 ; 514963 ; 525936 ;
Abstract
A new method of producing paucilamellar lipid vesicles has been developed. The vesicles are made of non-phospholipid surfactants. The paucilamellar lipid vesicles have 2-8 lipid bilayers surrounding a central cavity which may be filled with either an aqueous-based solution or an oil or wax.