Norbert Sendhoff
11Patents
5h-index
32Co-inventors
62Inventor score
Filing activity: Nov 20, 1989 → Feb 6, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5126395A | Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides | Textiles; Paper | 22 | Expired |
| US5145559A | Production of paper, board and cardboard | Textiles; Paper | 21 | Expired |
| US5008321A | Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides and their use | Chemistry; Metallurgy | 15 | Expired |
| US5290880A | Preparation of finely divided, water-soluble polymers containing vinylamine units | Chemistry; Metallurgy | 14 | Expired |
| US5098521A | Production of paper, board and cardboard from paper stocks containing foreign materials | Textiles; Paper | 9 | Expired |
| US5478656A | Cationic urea/formaldehyde resins, their preparation and their use in the paper industry | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5554261A | Dyeing of paper | Textiles; Paper | 5 | Expired |
| US6410042B1 | Plant protection products in the form of a granulate with controlled release of the active agent | Human Necessities | 2 | Expired |
| US5554718A | Catonic urea/formaldehyde resins, their preparation and their use in the paper industry | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5624748A | Packaging materials having barrier properties against oxygen | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6693191B2 | Method for the production of a particle-containing preparation of tetrahydro-3,5-dimethyl-1,3,5-thiadiazin-2-thione | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.