Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169335 | Process for encapsulating dissolved reactants of color-reaction systems, the capsules obtainable therefrom as well as their use in color-reaction papers | — | 2007-01-30 |
| 5089339 | Aminoplast microencapsulation system | Karl-Heinz Schrader | 1992-02-18 |
| 5011634 | Microcapsules and microcapsule production process | Karl-Heinz Schrader | 1991-04-30 |
| 4965025 | Process for microencapsulating hydrophobic oils, the microcapsules obtained and the use thereof | Karl-Heinz Schrader | 1990-10-23 |
| 4824823 | Microcapsules containing oils and soluble color reaction components, their manufacture and use in color reaction recording systems | Karl-Heinz Schrader | 1989-04-25 |
| 4770706 | Aqueous ink and process for its manufacture | — | 1988-09-13 |
| 4395141 | Bearing and seal assembly for stern tubes of vessels | Gerhard Walter, Gunter Mewes, Gert Schrader | 1983-07-26 |