Tilo Vaahs
26Patents
7h-index
20Co-inventors
65Inventor score
Filing activity: Nov 3, 1988 → Nov 27, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4946920A | Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof | Chemistry; Metallurgy | 27 | Expired |
| US5698485A | Process for producing ceramic microstructures from polymeric precursors | Chemistry; Metallurgy | 27 | Expired |
| US5030702A | Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof | Chemistry; Metallurgy | 15 | Expired |
| US5483614A | Optical waveguide moldings made from silicon nitride and a method of detecting optical wavelengths using same | Physics | 11 | Expired |
| US5176941A | Process of producing a ceramic/fiber composite using a molten polysilazone | Chemistry; Metallurgy | 10 | Expired |
| US5403361A | Process for dyeing fiber materials modified with silanes, the modification of fibers materials with silane compounds, and silanes containing amino groups | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4935481A | Polysilazanes, process for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the prepaation thereof | Chemistry; Metallurgy | 8 | Expired |
| US5139717A | High-strength ceramic composite, process for its preparation and its use | Chemistry; Metallurgy | 6 | Expired |
| US5225243A | Fiber-reinforced composite materials and process for their preparation | Chemistry; Metallurgy | 6 | Expired |
| US6316521A | Absorption of formaldehyde in closed, gastight packs | Human Necessities | 5 | Expired |
| US5032663A | Chlorine-containing silazane polymers, process for their preparation, ceramic materials containing silicon nitride which can be prepared from them, and their preparation | Chemistry; Metallurgy | 4 | Expired |
| US5081078A | Sinterable ceramic powder, process for its preparation, silicon nitride ceramic manufactured therefrom, process for its manufacture and its use | Chemistry; Metallurgy | 4 | Expired |
| US5084423A | Polysilazanes, process for the preparation thereof, silicon, nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Chemistry; Metallurgy | 4 | Expired |
| US5162272A | Sinterable ceramic powder, process for its production, silicon nitride ceramic produced therefrom, process for its production and its use | Chemistry; Metallurgy | 2 | Expired |
| US4882448A | Si,Si'diorganyl-N-alkyl-tetrachloro-disilazanes and a process for their preparation | Chemistry; Metallurgy | 2 | Expired |
| US5358746A | Optical moldings made from silicon nitride, and a process for their production | Physics | 2 | Expired |
| US5011801A | Polymeric ethylene-bridged chlorosilazanes, process for their preparation, ceramic materials which can be prepared from them containing silicon nitride, and their preparation | Chemistry; Metallurgy | 2 | Expired |
| US5100975A | Chlorine-containing silazane polymers, process for their preparation, ceramic material containing silicon nitride which can be prepared from them, and their preparation | Chemistry; Metallurgy | 2 | Expired |
| US4939225A | Polymeric hydridosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Chemistry; Metallurgy | 1 | Expired |
| US5196556A | Polysubstituted chlorine-containing silazane polymers, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture | Chemistry; Metallurgy | 1 | Expired |
| US5187252A | Silazane polymers containing SiCl groups, process for their preparation, silicon nitride-containing ceramic materials which can be prepared from them, and their preparation | Chemistry; Metallurgy | 1 | Expired |
| US4952670A | Polymeric hydridothiosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Chemistry; Metallurgy | 1 | Expired |
| US5182411A | Polymeric chlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture | Chemistry; Metallurgy | 1 | Expired |
| US5138079A | .alpha., .omega.-chlorosilazanes, and a process for their preparation | Chemistry; Metallurgy | 1 | Expired |
| US5189132A | Polymeric hydridochlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.