Michael Kroener
36Patents
16h-index
48Co-inventors
81Inventor score
Filing activity: Oct 15, 1980 → Sep 7, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4421602A | Linear basic polymers, their preparation and their use | Textiles; Paper | 136 | Expired |
| US5578678A | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use | Textiles; Paper | 81 | Expired |
| US4774285A | Preparation of water-soluble copolymers containing vinylamine units, and their use as wet strength agents and dry strength agents for paper | Textiles; Paper | 58 | Expired |
| US5543459A | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use | Textiles; Paper | 56 | Expired |
| US4880497A | Preparation of water-soluble copolymers containing vinylamine units, and their use as wet strength agents and dry strength agents for paper | Textiles; Paper | 53 | Expired |
| US4711930A | Honeycomb catalyst and its preparation | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4978427A | Water-soluble copolymers containing vinylamine units as wet strength and dry strength agent for paper | Textiles; Paper | 32 | Expired |
| US4859642A | Fixed-bed catalyst structure obtained using honeycomb elements | Performing Operations; Transporting | 30 | Expired |
| US4818341A | Production of paper and paperboard of high dry strength | Textiles; Paper | 30 | Expired |
| US4444667A | Flocculant for sludges | Textiles; Paper | 29 | Expired |
| US4940514A | Making paper, board and cardboard of high dry strength | Textiles; Paper | 29 | Expired |
| US5630907A | Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking | Chemistry; Metallurgy | 26 | Expired |
| US5126395A | Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides | Textiles; Paper | 22 | Expired |
| US4772359A | Production of paper, board and cardboard | Textiles; Paper | 22 | Expired |
| US5145559A | Production of paper, board and cardboard | Textiles; Paper | 21 | Expired |
| US5334287A | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use | Textiles; Paper | 20 | 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 |
| US4814505A | Purification of n-vinylformamide | Chemistry; Metallurgy | 13 | Expired |
| US5599898A | Insoluble, only slightly swellable polymers containing amino groups, their preparation and their use | Chemistry; Metallurgy | 13 | Expired |
| US5098521A | Production of paper, board and cardboard from paper stocks containing foreign materials | Textiles; Paper | 9 | Expired |
| US4745207A | Preparation of the reaction products of hydrogen cyanide | Chemistry; Metallurgy | 6 | Expired |
| US4543215A | .alpha.-iminodiacetonitriles and their preparation | Chemistry; Metallurgy | 6 | Expired |
| US4687848A | Preparation of 2-aminopyrazines and pyrazines | Chemistry; Metallurgy | 6 | Expired |
| US4560756A | 2-Aminopyrazines and the preparation of 2-aminopyrazines and pyrazines | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.