Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338214 | Mild-to-the-skin anionic tensides of basic protein aminolysates preparations containing them, and their use | Herbert Fischer, Christian Hase, Horst-Jurgen Krause | 1982-07-06 |
| 4299737 | Stable aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils | Alfred Meffert, Achim Werdehausen | 1981-11-10 |
| 4236022 | Esters of 1,2-dihydroxyalkanes as cosmetic emulsifiers and cosmetic emulsions containing them | Ulrich Zeidler | 1980-11-25 |
| 4219665 | Polycarboxylic acid-2-hydroxylalkyl esters, their use as emulsifying agents and cosmetic emulsions containing them | Ulrich Zeidler | 1980-08-26 |
| 4186207 | Stable aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils or drugs containing N-(hydroxyalkyl)amide-ethoxylates | Ulrich Zeidler | 1980-01-29 |
| 4184985 | Stable, aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils containing hydroxyalkyl ether-ethoxylates | Jochen Heidrich, Martin Bischoff | 1980-01-22 |