Leonhard Zastrow
52Patents
12h-index
35Co-inventors
84Inventor score
Filing activity: Aug 1, 1994 → Aug 30, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5686102A | Pharmacological composition for topical administration | Human Necessities | 90 | Expired |
| US5916577A | Cosmetic with condensates of plant and animal decomposition products | Human Necessities | 30 | Expired |
| US6517818B1 | Lip or care stick which contains vitamins | Human Necessities | 26 | Expired |
| US5885564A | Functional oxygenated composition containing phospholipids and fluorocarbon | Human Necessities | 22 | Expired |
| US5643601A | Phospholipid-and fluorocarbon-containing cosmetic | Human Necessities | 20 | Expired |
| US7338671B2 | Skin-smoothing cosmetic based on plant extracts | Human Necessities | 17 | Expired |
| US6245342A | Cosmetic preparation with a peptide addition | Human Necessities | 17 | Expired |
| US6551606B1 | Cosmetic product containing enzymes | Human Necessities | 16 | Expired |
| US5641509A | Preparation for topical use | Performing Operations; Transporting | 15 | Expired |
| US5800835A | Preparation for improving the blood supply containing hard magnetic particles | Human Necessities | 13 | Expired |
| US5637318A | Dermatological agent for assisting the transport of oxygen in the skin | Human Necessities | 13 | Expired |
| US6007796A | Cosmetic self-tanning agent having a sunscreen effect | Human Necessities | 12 | Expired |
| US5667772A | Preparation containing a fluorocarbon emulsion and usable as cosmetics or dermatics | Human Necessities | 11 | Expired |
| US5629185A | Process for disintegrating cell dispersions or cell suspensions by means of ultrasonication for the purpose of isolating cell constituents | Chemistry; Metallurgy | 11 | Expired |
| US6309627A | Cosmetic compositions with agglomerated substrates | Human Necessities | 10 | Expired |
| US6426080B1 | Cosmetic preparation of active substances with high protection factor against free radicals | Human Necessities | 10 | Expired |
| US5993857A | Cosmetic skin cleanser based on natural active substances | Human Necessities | 10 | Expired |
| US5919490A | Preparation for improving the blood supply containing hard magnetic particles | Human Necessities | 9 | Expired |
| US6534046B1 | Plant-based anti-perspiration cosmetic | Human Necessities | 9 | Expired |
| US8034385B2 | Anti-ageing skin cosmetic | Human Necessities | 9 | Active |
| US6653277B1 | Perfume compositions with a scent sequence | Human Necessities | 8 | Expired |
| US5961988A | Cosmetic and dermatological preparation based on magnetically hard particles | Human Necessities | 7 | Expired |
| US5976510A | Cosmetic tanning and sunscreen agent | Human Necessities | 6 | Expired |
| US6989150B1 | Cosmetic preparation of active substances with a synergistically increased radical protection factor | Human Necessities | 6 | Expired |
| US6820014B2 | Method for determination of realistic UV protection factors or broad spectrum indices | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.