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. 16, 1991
Filed:
Sep. 21, 1989
Applicant:
Inventor:
Donald F Wallach, Brookline, MA (US);
Assignee:
Micro Vesicular Systems, Inc., Nashua, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; B01J / ;
U.S. Cl.
CPC ...
4284022 ; 264-41 ; 424450 ; 436829 ;
Abstract
Disclosed are paucilamellar lipid vesicles made of single chain nonphospholipid anionic or zwitterionic surfactants and a method of their manufacture. The preferred vesicle forming materials are single chain sarcosinamides having 12-20 carbon chains and single chain betaines. The vesicles are formed rapidly and can be used to encapsulate aqueous or oily solutions.