Horst Hoffkes
9Patents
4h-index
16Co-inventors
54Inventor score
Filing activity: Apr 28, 1982 → Nov 8, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4496536A | Sebosuppressive cosmetic preparations containing long-chained _alkanols and antioxidants | Human Necessities | 30 | Expired |
| US4900544A | Cationic polymers as antistatic additives for hair preparations | Human Necessities | 19 | Expired |
| US4900543A | Cationic polymers as antistatic additives for hair preparations | Human Necessities | 12 | Expired |
| US4666712A | Cold permanent wave composition | Human Necessities | 7 | Expired |
| US7678156B2 | Compositions for treating keratinic fibers, methods of treating such fibers therewith and compounds contained therein | Human Necessities | 3 | Expired |
| US4803068A | Hair-treatment preparation for improved wet combability | Human Necessities | 2 | Expired |
| US7300472B2 | Agents for coloring fibers containing keratin | Human Necessities | 1 | Active |
| US7393367B2 | Agent for dyeing keratin-based fibers | Human Necessities | 0 | Active |
| US7473280B2 | Coloring agent compositions and methods of treating keratin fibers therewith | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.