Hoffmann; Hans R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoffmann; Hans R..The latest application filed is for "active substance-containing plaster for the controlled administration of active substances to the skin".
- Hoffmann; Hans R. - Neuwied DE
- Hoffmann; Hans R. - D-5450 Neuwied 12 DE
| Patent | Date |
|---|---|
| Active substance-containing plaster for the controlled administration of active substances to the skin Grant 5,538,736 - Hoffmann , et al. July 23, 1 | 1996-07-23 |
| Transdermal therapeutic system comprising tulobuterol as active substance Grant 5,254,348 - Hoffmann , et al. October 19, 1 | 1993-10-19 |
| Planar therapeutic system, process for its production and utilization Grant 5,132,115 - Wolter , et al. July 21, 1 | 1992-07-21 |
| Pharmaceutical product, in medical bandage form Grant 4,769,028 - Hoffmann , et al. September 6, 1 | 1988-09-06 |
| Laminate including an adhesive-coated substrate and a removable cover layer having means to form grasp parts upon bending Grant 4,524,095 - Gockel , et al. June 18, 1 | 1985-06-18 |
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