Andreas Stange
19Patents
13h-index
42Co-inventors
74Inventor score
Filing activity: Aug 5, 1985 → Sep 27, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4667417A | Preparation of aerogels | Performing Operations; Transporting | 98 | Expired |
| US5578678A | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use | Textiles; Paper | 81 | Expired |
| US4845223A | Fluorescent aryloxy-substituted perylene-3,4,9,10-tetracarboxylic acid diimides | Chemistry; Metallurgy | 74 | Expired |
| US5543459A | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use | Textiles; Paper | 56 | Expired |
| US6616807B1 | Method for producing high dry-strength paper, pulpboard and cardboard | Textiles; Paper | 38 | Expired |
| US4818341A | Production of paper and paperboard of high dry strength | Textiles; Paper | 30 | 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 |
| US5262008A | Production of paper, board and cardboard in the presence of copolymers containing N-vinylformamide units | Textiles; Paper | 20 | Expired |
| US5334287A | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use | Textiles; Paper | 20 | Expired |
| US6746542B1 | Modifying starch with cationic polymers and use of the modified starches as dry-strength agent | Textiles; Paper | 20 | Expired |
| US6710175B2 | Compositions suitable as additives in the paper industry, preparation; use; and, paper comprising such | Textiles; Paper | 15 | Expired |
| US6060566A | Graft polymers of polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, their preparation and their use | Textiles; Paper | 13 | Expired |
| US5851300A | Cationic modification of starch and use of the cationically modified starch | Textiles; Paper | 13 | Expired |
| US6048945A | Graft polymers comprising polymers, containing alkylene oxide units, and ethylenically unsaturated compounds, their preparation and their use | Textiles; Paper | 5 | Expired |
| US5478656A | Cationic urea/formaldehyde resins, their preparation and their use in the paper industry | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6114435A | Preparation of aqueous solutions of polymers containing vinylamine units, which solutions have a long shelf life, and their use | Chemistry; Metallurgy | 5 | Expired |
| US5554718A | Catonic urea/formaldehyde resins, their preparation and their use in the paper industry | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4981913A | Bridged, water-soluble copolymers, their preparation and their use | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.