Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921535 | Heat-sensitive recording material | Rosalinde Braun | 1990-05-01 |
| 4754063 | Salicylates and process for their preparation | — | 1988-06-28 |
| 4748259 | Process for the preparation of mixtures of metal salts of ring-substituted salicylic acid compounds | — | 1988-05-31 |
| 4745203 | Process for the preparation of mixtures of metal salts of ring-substituted salicylic acid compounds | — | 1988-05-17 |
| 4716424 | Pressure-sensitive or heat-sensitive recording material | Jean C. Petitpierre, Albert Wurmli | 1987-12-29 |
| 4687869 | Metal salicylates, process for their preparation and use thereof as color developers in pressure-sensitive or heat-sensitive recording materials | — | 1987-08-18 |
| 4611072 | Heat-sensitive recording material | Christel Tempel | 1986-09-09 |
| 4536779 | Heat-sensitive recording material | Christel Tempel | 1985-08-20 |
| 4487800 | Process for fireproofing organic fibre material using phosphonic acid salts | Christian Guth | 1984-12-11 |
| 4452849 | Phosphonic acid salts, their preparation and their use for fireproofing organic fibre material | Christian Guth | 1984-06-05 |
| 4288489 | Process for flameproofing organic fibrous material with phosphonic acid salts | Peter Rohringer | 1981-09-08 |
| 4243418 | Compositions for fireproofing polyester fiber materials with substituted sulphurylamides | Armin Hiestand, Peter Rohringer | 1981-01-06 |
| 4211814 | Method for the fireproofing of synthetic fiber material | Peter Rohringer | 1980-07-08 |
| 4196260 | Process for flameproofing cellulosic fibrous material | — | 1980-04-01 |
| 4185037 | Process for the manufacture of phosphorus-containing condensation products, the products and their use as flameproofing agents | Arthur Maeder | 1980-01-22 |