Hans-Rainer Hoffmann
53Patents
19h-index
48Co-inventors
84Inventor score
Filing activity: Oct 12, 1983 → Jul 11, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5456745A | Flexible, hydrophilic gel film, the process for its production and the use of it | Chemistry; Metallurgy | 179 | Expired |
| US5393529A | Estrogen-containing active substance plaster | Human Necessities | 114 | Expired |
| US5240711A | Transdermal therapeutic system comprising as active component buprenorphine | Human Necessities | 112 | Expired |
| US5254348A | Transdermal therapeutic system comprising tulobuterol as active substance | Human Necessities | 104 | Expired |
| US4524095A | Laminate including an adhesive-coated substrate and a removable cover layer having means to form grasp parts upon bending | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5538736A | Active substance-containing plaster for the controlled administration of active substances to the skin | Human Necessities | 70 | Expired |
| US4769028A | Pharmaceutical product, in medical bandage form | Human Necessities | 59 | Expired |
| US6190689A | Hydrophilic pressure sensitive hot-melt adhesives | Chemistry; Metallurgy | 41 | Expired |
| US7988643B2 | Biopsy needle for the histological examination of body tissue | Human Necessities | 39 | Expired |
| US5273757A | Apparatus for the delivery of substances, processes for the production thereof and use thereof | Physics | 36 | Expired |
| US5593686A | Pharmaceutical compositions | Human Necessities | 33 | Expired |
| US8256631B2 | Closure system for containers | Performing Operations; Transporting | 33 | Active |
| US5413567A | Primary packaging for surface-stabilized surgical dressing | Human Necessities | 30 | Expired |
| US5462746A | Patch for transdermal administration of volatile pharmaceutically active ingredients of chemically basic nature and a process for preparation | Human Necessities | 30 | Expired |
| US6103253A | Sprayable, film-forming active substance release systems for application to plants | Human Necessities | 26 | Expired |
| US5525389A | Self-adhesive laminate for nails | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5089267A | Transdermal therapeutical system comprising physostigmine as active component and process for the production thereof | Human Necessities | 20 | Expired |
| US5391375A | Transdermal therapeutical system with physostigmine as active component and process for the production thereof | Human Necessities | 20 | Expired |
| US5126144A | Apparatus delivering nitroglycerin to the skin, process for the production thereof and use thereof | Physics | 19 | Expired |
| US5364628A | Pharmaceutical compositions | Human Necessities | 18 | Expired |
| US5895660A | Deuterated active substances in transdermal application | Human Necessities | 16 | Expired |
| US5162052A | Device for the release of systemic active substances to plants and the use thereof | Human Necessities | 15 | Expired |
| US6290989A | Expandable gastro-retentive therapeutic system with controlled active substance release in the gastro-intestinal tract | Human Necessities | 9 | Expired |
| US6548510B1 | Pharmaceutical composition containing deoxypeganine for the treatment of nicotine dependence | Human Necessities | 9 | Expired |
| US5306502A | Apparatus for delivering nitroglycerin to the skin, processes for the production thereof and the use thereof | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.