Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392340 | Purification of crude isophoronediamine by partial condensation in series with total condensation | Anne Rittsteiger, Jan Caßens, Axel Hengstermann, Cord Knoop, Alexander Martin Rüfer | 2019-08-27 |
| 10343975 | Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine | Anne Rittsteiger, Alexander Martin Rüfer, Guido Streukens, Stephan Kohlstruk, Matthias Orschel +3 more | 2019-07-09 |
| 7186415 | Finely dispersed emulsifier-free systems of the oil-in-water and water-in-oil type, containing boron nitride | Heinrich Gers-Barlag | 2007-03-06 |
| 7037511 | Hydrous cosmetic or pharmaceutical sticks | Heinrich Gers-Barlag, Xenia Petsitis, Ghita Lanzendorfer, Melanie Kovacevic | 2006-05-02 |
| 6989151 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2006-01-24 |
| 6911210 | Stable active ingredient combinations which are effective against blemished skin and against acne and contain interface-active glucose derivatives and hydroxycarbolic acids | Angelika Bormann, Jens Nielsen, Andreas Herpens, Jürgen Kielholz | 2005-06-28 |
| 6838088 | Emulsifier-free finely disperse systems of the oil-in-water- and water-in-oil- type | Heinrich Gers-Barlag | 2005-01-04 |
| 6838077 | Oil-free cosmetic or dermatological preparations with a content of solid and liquid UV filter substances | — | 2005-01-04 |
| 6815453 | Cosmetic and dermatological light protection formulations having a content of triazine derivatives and glyceryl compounds | Heinrich Gers-Barlag, Rainer Kropke | 2004-11-09 |
| 6803048 | Emulsifier-free finely dispersed systems of the water-in-oil type | Heinrich Gers-Barlag | 2004-10-12 |
| 6803049 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2004-10-12 |
| 6767547 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2004-07-27 |
| 6709662 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2004-03-23 |
| 6703029 | Finely dispersed emulsifier-free systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2004-03-09 |
| 6703032 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2004-03-09 |
| 6692755 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2004-02-17 |
| 6620407 | Finely dispersed emulsifier-free systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2003-09-16 |
| 6592883 | Emulsifier-free finely disperse systems of the water-in-oil type | Heinrich Gers-Barlag, Birgit Groteluschen | 2003-07-15 |
| 6585983 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2003-07-01 |
| 6582707 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2003-06-24 |
| 6579529 | Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type | Heinrich Gers-Barlag | 2003-06-17 |
| 6558683 | Emulsifier-free finely dispersed systems of the oil-in-water type | Heinrich Gers-Barlag | 2003-05-06 |
| 6511655 | Cosmetic or dermatological preparations of the oil-in-water type | Heinrich Gers-Barlag | 2003-01-28 |
| 6440399 | Emulsifier-free finely dispersed systems of the water-in-oil type | Heinrich Gers-Barlag | 2002-08-27 |
| 6436413 | Emulsifier-free finely disperse systems of the water-in-oil type | Heinrich Gers-Barlag | 2002-08-20 |