Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849126 | Use of graft polymers based on polyesters, polyester urethanes and polyester amides as grayness inhibitors in detergents | Wolfgang Trieselt, Heinrich Hartmann | 1989-07-18 |
| 4846994 | Use of graft polymers based on polyalkylene oxides as grayness inhibitors in the wash and aftertreatment of textile material containing synthetic fibers | Wolfgang Trieselt, Heinrich Hartmann | 1989-07-11 |
| 4846995 | Use of graft polymers based on polyalkylene oxides as grayness inhibitors in the wash and aftertreatment of textile material containing syntheic fibers | Wolfgang Trieselt, Heinrich Hartmann | 1989-07-11 |