Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279758 | Process for inhibiting the formation of mineral deposits from a water using N-N-dialkylureidomethane diphosphonic acids | Walter Michel | 1981-07-21 |
| 4255572 | N,N-Dialkylureidomethane diphosphonic acid and its preparation | Walter Michel | 1981-03-10 |