Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820451 | Process for the production of mobile pastes of washing-active .alpha.-sulfofatty acid ester salts of high solids content | Robert Piorr, Horst Ritterbex, Frantisek Jost | 1989-04-11 |