Manfred Kapps
21Patents
9h-index
36Co-inventors
75Inventor score
Filing activity: Apr 24, 1975 → Jan 3, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4248930A | The production of polyurethane resins and laminates | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4792262A | Process for strengthening geological formations | Chemistry; Metallurgy | 31 | Expired |
| US4608407A | Process for the production of compression-molded materials containing polyisocyanate binders using latent, heat activatable catalysts | Chemistry; Metallurgy | 25 | Expired |
| US4331778A | Process for the production of polyurethane plastics | Chemistry; Metallurgy | 24 | Expired |
| US4715746A | Method of strengthening geological formations | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4761099A | Process for strengthening and sealing geological formations | Chemistry; Metallurgy | 21 | Expired |
| US5869546A | Mixtures leading to hard polyurethane foamed materials | Chemistry; Metallurgy | 20 | Expired |
| US5616628A | Process for the production of optionally cellular polyurethanes and/or polyurethane ureas | Chemistry; Metallurgy | 13 | Expired |
| US4575520A | Rigid, closed-cell, flame-resistant polyurethane foams | Chemistry; Metallurgy | 11 | Expired |
| US4177332A | 1,1,1-Trifluoro-2-chloroethane as blowing agent for polyurethane foam | Chemistry; Metallurgy | 9 | Expired |
| US6075064A | Rigid hydrophobic polyurethanes | Chemistry; Metallurgy | 8 | Expired |
| US5342881A | Process for the standardization and stabilization of organic polyisocyanates and the stable products of this process | Chemistry; Metallurgy | 8 | Expired |
| US4965292A | Process for strengthening geological formations | Chemistry; Metallurgy | 6 | Expired |
| US4757097A | Process for the production of oligoesters containing hydroxy groups and their use | Chemistry; Metallurgy | 6 | Expired |
| US4904125A | Process for strengthening geological formations | Fixed Constructions | 5 | Expired |
| US4246206A | Process for the preparation of N,N-bis-(2-hydroxyalkyl)-aminomethane phosphonic acid dimethyl ester | Chemistry; Metallurgy | 4 | Expired |
| US6210523A | Compositions useful as binders for the production of composite materials | Chemistry; Metallurgy | 4 | Expired |
| US4025470A | Process for the production of flame-resistant, hard polyurethane foams | Chemistry; Metallurgy | 2 | Expired |
| US4060571A | Production of N,N-Bis-(2-hydroxyalkyl)-aminomethane phosphonic acid dialkyl esters | Chemistry; Metallurgy | 2 | Expired |
| US6524652B2 | Storage-stable isocyanate binders containing latent catalysts | Chemistry; Metallurgy | 1 | Expired |
| US6723818B2 | Storage-stable isocyanate binders containing latent catalysts | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.