Doris Oberkobusch
19Patents
5h-index
25Co-inventors
66Inventor score
Filing activity: Aug 17, 1988 → Jun 16, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5047259A | Acrylic copolymer flow control agents | Chemistry; Metallurgy | 13 | Expired |
| US5500475A | Polyurethane-based thickeners | Chemistry; Metallurgy | 10 | Expired |
| US4859721A | Adducts of carboxylic acids and isocyanates with epoxides, aqueous dispersions containing these adducts, processes for their preparation and their use in the autophoretic coating of metallic surfaces | Chemistry; Metallurgy | 9 | Expired |
| US5006621A | Co-polymers of long chain alkyl acrylates with N-containing olefins and their use as flow improvers for crude oils | Chemistry; Metallurgy | 6 | Expired |
| US5286346A | Deinking of wastepaper with quaternized hydroxyethyl cellulose | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7105032B2 | Agents used for dyeing keratinous fibers | Human Necessities | 5 | Expired |
| US6790239B1 | Agent for coloring keratin containing fibers | Human Necessities | 4 | Expired |
| US6770102B1 | Agent for dying keratin fibers | Human Necessities | 4 | Expired |
| US7678156B2 | Compositions for treating keratinic fibers, methods of treating such fibers therewith and compounds contained therein | Human Necessities | 3 | Expired |
| US6146619A | Process and agents for permanently shaping keratin fibres | Human Necessities | 2 | Expired |
| US5238533A | Flotation process for removing fillers from wastepaper in the presence of polymers and copolymers | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6743263B1 | Method for coloring keratin fibers | Human Necessities | 2 | Expired |
| US8268015B2 | Method for decolorizing keratin-containing fibers | Human Necessities | 1 | Active |
| US7799096B2 | Agent for dyeing keratin-containing fibers | Chemistry; Metallurgy | 1 | Active |
| US7300472B2 | Agents for coloring fibers containing keratin | Human Necessities | 1 | Active |
| US5397844A | Polyacrylates and their use as levelling agents for powder coatings | Chemistry; Metallurgy | 1 | Expired |
| US7473280B2 | Coloring agent compositions and methods of treating keratin fibers therewith | Human Necessities | 0 | Expired |
| US7393367B2 | Agent for dyeing keratin-based fibers | Human Necessities | 0 | Active |
| US6755872B1 | Dyeing agent for keratinous fibers | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.