Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162486 | Preparation of spherical, hard mono- or oligodisperse particles of melamine resin | Heinrich Follmann, Dietrich Hoffmann | 1992-11-10 |
| 4898696 | Continuous preparation of microcapsules with melamine-formaldehyde condensate walls in aqueous dispersion | — | 1990-02-06 |
| 4406816 | Process for the preparation of microcapsules, and the microcapsules obtained thereby | — | 1983-09-27 |
| 4371634 | Microcapsule-containing wax composition | Dietrich Hoffman | 1983-02-01 |
| 4260515 | Process for hardening microcapsules | — | 1981-04-07 |