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:
Oct. 29, 1996
Filed:
May. 24, 1995
Applicant:
Inventors:
Kenji Endo, Fujisawa, JP;
Hidekazu Suzuki, Kanagawa-ken, JP;
Touru Oguma, Hadano, JP;
Masayoshi Goto, Tokyo, JP;
Assignee:
Wakamoto Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424450 ; 4284022 ;
Abstract
An aqueous dispersion containing liposomes comprising yolk lecithin and/or soybean lecithin as lipids for forming liposomes wherein the dispersion contains a hydroxy acid and an amino acid, which hardly shows coloration, shows little leak of drugs encapsulated in the liposomes and is stable in a broad pH range.