Leszek J. Wolfram
23Patents
13h-index
23Co-inventors
81Inventor score
Filing activity: Aug 13, 1981 → Jun 13, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4529586A | Hair conditioning composition and process | Human Necessities | 148 | Expired |
| US4663158A | Hair conditioning composition containing cationic polymer and amphoteric surfactant and method for use | Human Necessities | 139 | Expired |
| US4770873A | Neutralizing composition and method for hair waving and straightening | Human Necessities | 46 | Expired |
| US4416297A | Hair waving or straightening process and product | Human Necessities | 22 | Expired |
| US5161553A | Process for simultaneously waving and coloring hair | Human Necessities | 22 | Expired |
| US4968497A | Skin tanning composition and method | Human Necessities | 21 | Expired |
| US5173085A | Hair dyeing process and compositons package | Human Necessities | 20 | Expired |
| US4559057A | Process and composition for coloring hair with pigments | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4911731A | Process and composition for dyeing hair utilizing an anionic polymeric/cationic polymer complex | Human Necessities | 18 | Expired |
| US5279618A | Process and kit for dyeing hair | Human Necessities | 16 | Expired |
| US4588760A | Hair treatment composition | Human Necessities | 16 | Expired |
| US4904274A | Coloring hair with aminoalkyl-or aminohydroxyalkyl-catechols | Human Necessities | 16 | Expired |
| US5032138A | Chlorites as oxidants in hair coloring | Human Necessities | 14 | Expired |
| US5273550A | Process and kit for dyeing hair | Human Necessities | 11 | Expired |
| US5704949A | Process for the manufacture of a hair dye product containing 5,6-dihydroxyindole | Human Necessities | 9 | Expired |
| US5279617A | Process and kit for dyeing hair | Human Necessities | 8 | Expired |
| US5346509A | Process for dyeing hair by the sequential treatment of hair with metal ion-containing composition and with a dye composition containing 5,6-dihydroxyindole-2-carboxylic acid and certain derivatives thereof | Human Necessities | 8 | Expired |
| US4975092A | Processes for coloring and/or conditioning hair | Human Necessities | 8 | Expired |
| US5015263A | Composition for coloring skin and method | Human Necessities | 7 | Expired |
| US4695285A | Process for coloring keratinaceous materials | Human Necessities | 6 | Expired |
| US4601299A | Hair setting process and tissue | Human Necessities | 3 | Expired |
| US5665336A | Acidic post-treatment of hair dyed with dihydroxyindole | Human Necessities | 2 | Expired |
| US6828443B1 | Dyes and colorants | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.