Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552562 | Process for preventing the gelation of concentrated aqueous photoactivator solutions | Beat Bruttel | 1985-11-12 |
| 4548610 | Process for the preparation of solid photoactivator formulations: sulphonated zinc or aluminum phthalocyanine solutions | Beat Bruttel | 1985-10-22 |