Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839078 | Detergent tablets of uniform composition for dishwashing machines | Hans-Friedrich Kruse, Jochen Jacobs, Theodor Altenschoepfer | 1989-06-13 |
| 4839098 | Liquid detergent | Klaus-Dieter Wisotzki, Ortburg Guirr, Klaus Schumann, Karl Schmid, Manfred Biermann | 1989-06-13 |
| 4828745 | Multilayer detergent in block form | Theodor Altenschoepfer, Jochen Jacobs | 1989-05-09 |
| 4828749 | Multilayer detergent tablets for dishwashing machines | Hans-Friedrich Kruse, Jochen Jacobs, Theodor Altenschoepfer | 1989-05-09 |
| 4818427 | Pretreatment or steeping preparations for stubbornly soiled dishes and a process for washing such dishes | Theodor Altenschoepfer, Klaus-Dieter Wisotzki | 1989-04-04 |