Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859374 | Sulfosuccinamido acids of polyoxypropylenediamines and their use as emulsifiers | Adolf Schmidt | 1989-08-22 |
| 4824886 | 2-phosphono-butane-1,2,4,-tricarboxylic acid emulsifier derivatives | Adolf Schmidt | 1989-04-25 |