Hans D. Hermann
15Patents
8h-index
9Co-inventors
61Inventor score
Filing activity: Nov 11, 1975 → Feb 20, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4287107A | Transparent polyvinyl butyral sheet and process for the manufacture thereof | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5053455A | Graft polymers, containing polyvinyl acetal groups, on polyurethane grafting substrates, processes for the preparation thereof, and the use therefor | Chemistry; Metallurgy | 26 | Expired |
| US4205146A | Process for the preparation of polyvinylbutyral having improved properties | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4533601A | Polyvinylbutyral films which contain plasticizer and have a reduced adhesive power on glass | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3998792A | Polyvinyl butyral polymer mixture for making intermediate sheeting for laminated glass | Performing Operations; Transporting | 15 | Expired |
| US4751266A | Polyvinylbutyral of reduced tackiness and improved tensile strength | Chemistry; Metallurgy | 13 | Expired |
| US4499236A | Finely divided polyvinyl acetals, a process for their preparation, and their use in baked coatings | Chemistry; Metallurgy | 12 | Expired |
| US4600655A | Plasticized thermoplastic polyvinylbutyral molding compositions having reduced adhesion to glass | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4161565A | Plasticizer containing polyvinylbutyral sheets having a reduced adhesion to glass | Chemistry; Metallurgy | 8 | Expired |
| US4537830A | Thermoplastic molding compositions of polyvinylbutyral containing plasticizer | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4970253A | Thermoplastic plasticized polyvinylbutyral molding composition | Chemistry; Metallurgy | 6 | Expired |
| US4663235A | Reduction in the adhesion to glass of thermoplastic, plasticized polyvinylbutyral molding compositions | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5034475A | Graft polymers, containing polyvinyl acetal groups, on polyurethane grafting substrates, processes for the preparation thereof, and the use thereof | Chemistry; Metallurgy | 4 | Expired |
| US4047721A | Drive device with belt and stepped speed pulley | Physics | 3 | Expired |
| US4968473A | Process for the production of ceramic green films | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.