Phase stable lecithin organogel composition
First Claim
Patent Images
1. A lecithin organogel composition comprising:
- a non-ionic emulsifying agent having a hydrophile-lipophile balance number of between about 8 to about 18;
a thickening agent;
a polyoxyethylene polyoxypropylene block copolymer; and
a lecithin.
1 Assignment
0 Petitions
Accused Products
Abstract
A lecithin organogel composition used to deliver pharmaceutical products transdermally as well as a method for producing the lecithin organogel composition, which may contain up to 40% additive ingredients. Preferred embodiments of the invention may include lecithin organogel compositions which provide high penetrating power, which are ready-to-use, which have improved stability, which have a high uptake capacity for active drugs, and which do not grow mold if the gel becomes contaminated.
-
Citations
11 Claims
-
1. A lecithin organogel composition comprising:
-
a non-ionic emulsifying agent having a hydrophile-lipophile balance number of between about 8 to about 18; a thickening agent; a polyoxyethylene polyoxypropylene block copolymer; and a lecithin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10, 11)
-
-
8. A lecithin organogel composition comprising:
-
a non-ionic emulsifying agent having a hydrophile-lipophile balance number of between about 8 to about 18; a thickening agent; from about 1 weight percent to about 25 weight percent of a polyoxyethylene polyoxypropylene block copolymer; and from about 1 weight percent to about 20 weight percent of a lecithin.
-
-
9. A lecithin organogel composition comprising:
-
a non-ionic emulsifying agent having a hydrophile-lipophile balance number of between about 8 to about 18; a thickening agent; from about 1 weight percent to about 25 weight percent of a polyoxyethylene polyoxypropylene block copolymer; and from about 1 weight percent to about 20 weight percent of a lecithin. wherein the content of the non-ionic emulsifying agent and the thickening polymer are included at a non-ionic emulsifying agent;
thickening polymer ratio of from about 1;
2 to 1;
50.
-
Specification