Eric Spengler
7Patents
2h-index
11Co-inventors
48Inventor score
Filing activity: Oct 11, 1989 → May 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5011681A | Facial cleansing compositions | Human Necessities | 258 | Expired |
| US10842729B2 | Color protectant compositions | Human Necessities | 2 | Active |
| US10987300B2 | Long lasting cosmetic compositions | Human Necessities | 1 | Active |
| US11707426B2 | Color protectant compositions | Human Necessities | 0 | Active |
| US12311048B2 | Crosslinked materials | Human Necessities | 0 | Active |
| US8173110B2 | Pre-shave preparation with enhanced lubricity | Human Necessities | 0 | Active |
| US11622929B2 | Long lasting cosmetic compositions | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.