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. 16, 2001
Filed:
Oct. 15, 1999
Applicant:
Inventors:
Tohru Nagahama, Tokyo, JP;
Kazuo Hasegawa, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 3/700 ; A01N 4/354 ; A01N 3/100 ; A61K 3/121 ; A61K 3/1505 ; A61K 3/1045 ;
U.S. Cl.
CPC ...
A01N 3/700 ; A01N 4/354 ; A01N 3/100 ; A61K 3/121 ; A61K 3/1505 ; A61K 3/1045 ;
Abstract
A microemulsion containing (A) a highly polar and fat-soluble oil drug, a highly polar oil and a lowly polar oil, (B) a polyglycerol mono-fatty acid ester and (C) a water-soluble polyhydric alcohol, wherein the amount of (B) is 0.3 to 3 parts by weight based on one part by weight of (A) and the amount of (C) is 0.1 to 3 parts by weight based on one part by weight of the total amount of (A) and (B). The present invention makes it possible to make a microemulsion containing a highly polar and fat-soluble drug which is highly stable.