Helmut Auweter
25Patents
11h-index
60Co-inventors
74Inventor score
Filing activity: Sep 20, 1983 → Dec 17, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6827941B1 | Use of carotenoid aggregates as colorants | Human Necessities | 57 | Expired |
| US5011279A | Fiber-optical sensor | Physics | 42 | Expired |
| US5968251A | Production of carotenoid preparations in the form of coldwater-dispersible powders, and the use of the novel carotenoid preparations | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6844377B1 | Polymer particles containing dye | Chemistry; Metallurgy | 31 | Expired |
| US6531117B2 | Aqueous dispersion of water-insoluble organic UV filter substances | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7687071B1 | Nanoparticulate core shell systems and the use thereof in pharmaceutical and cosmetic preparation | Human Necessities | 23 | Expired |
| US6863914B1 | Stable, aqueous dispersions and stable, water-dispersible dry powders of xanthophylls, and production and use of the same | Human Necessities | 22 | Expired |
| US6494924B1 | Precipitated water-insoluble colorants in colloid disperse form | Textiles; Paper | 19 | Expired |
| US6235315A | Stable, pulverulent lycopene formulations, comprising lycopene having a degree of crystallinity of greater than 20% | Chemistry; Metallurgy | 17 | Expired |
| US6296877A | Stable, aqueous dispersions and stable, water-dispersible dry xanthophyll powder, their production and use | Chemistry; Metallurgy | 15 | Expired |
| US4637716A | Fiber-optical Doppler anemometer | Physics | 14 | Expired |
| US6924035B2 | Method for producing polymer coated pigment particles by precipitation | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7105176B2 | Production of solid preparations of water-soluble, sparingly water-soluble or water-insoluble active compounds | Human Necessities | 10 | Expired |
| US6639113B2 | Production of dry powders of one or more oxygenated carotenoids | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5183709A | Acicular cobalt-modified iron oxides and their preparation | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4913890A | Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 | Chemistry; Metallurgy | 5 | Expired |
| US5378383A | Process for preparing modified chromium dioxide | Physics | 4 | Expired |
| US5266408A | Magnetic recording media | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5030371A | Process for preparing acicular ferromagnetic material consisting essentially of iron-containing chromium dioxide | Physics | 3 | Expired |
| US6624219B1 | Surface active random radical (co)polymer and dispersion method for using the same | Chemistry; Metallurgy | 3 | Expired |
| US5064549A | Preparation of stabilized chromium dioxide with sodium tetracarbonylferrate | Chemistry; Metallurgy | 2 | Expired |
| US4960462A | Acicular, ferromagnetic metal particles essentially consisting of iron, and their preparation | Performing Operations; Transporting | 2 | Expired |
| US5266407A | Magnetic recording media | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5096779A | Chromium dioxide material, its preparation and magnetic recording media containing this chromium dioxide material | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6271396A | Use of organosulfur compounds for effecting a bathocromic shift in the UV/vis absorption bands of carotenoids | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.