| CORUM INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110281943 | Topical Composition Comprising Ascorbic Acid Derivatives - The present invention discloses topical composition comprising ascorbic acid derivatives. The inventive topical composition that the ascorbic acid derivatives is homogeneously incorporated therein can make the ascorbic acid derivatives more widely used as active ingredient in skin topical formulation. | 11-17-2011 |
| 20110065954 | Compound With Carboxyl Acid Group And Amide Group And Application Thereof - The present invention discloses compounds with a carboxyl acid group and an amide group which also containing the tertiary amino groups. The carboxyl acid group having a partial negative charge can attract the tertiary amino group with each other to form a quaternary ammonium salt structure, so that the compounds are easy to dissolve in water. Moreover, these compounds having a mushroom tyrosinase-inhibition effect and have the potential to use in the cosmetics for skin whitening. | 03-17-2011 |
| 20100056809 | Ascorbic Acid Derivatives - The present invention discloses the ascorbic acid derivatives. The inventive molecules that combine with one or two hydrophilic headgroups connected by a hydrophobic spacer can increase skin penetration. | 03-04-2010 |
| 20090275767 | PROCESS FOR SYNTHESIS OF ANDROSTANE 17-BETA CARBOTHIOIC ACID AND RELATIVE COMPOUNDS THEREOF - A process for synthesis of androstane 17-β carbothioic acid is provided. The process includes mixing an androstane 17-β carboxylic acid and a coupling reagent, and adding an alkanethioic acid to form an androstane 17-β carbothioic acid, wherein the androstane 17-β carbothioic acid has the formula (I): | 11-05-2009 |
