Ichirou Kawamata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: An oily ointment comprising(a) 0.01 to 0.5% by weight of hydrocortisone butyrate propionate,(b) 2 to 10% by weight of a mixture of propylene glycol and purified water in a weight ratio of from 1:5 to 20:1,(c) 0.1 to 6% by weight of a surface-active agent, and(d) 75 to 97% by weight of a higher paraffinic hydrocarbon.
Abstract: An oil-in-water type cream comprising(a) 0.01 to 0.5% by weight of hydrocortisone butyrate proponate,(b) 5 to 50% by weight of a higher paraffinic hydrocarbon,(c) 3 to 15% by weight of a surface-active agent,(d) 30 to 65% by weight of purified water,(e) not more than 20% by weight of a monohydric higher alcohol,(f) not more than 20% by weight of a dihdyric or trihydric alcohol, and(g) a pharmaceutically acceptable acid in an amount required to adjust the pH of the cream to a value in the range of 3.5 to 6.5 when it is diluted with water to 20 times its volume.