Volker Frey
39Patents
11h-index
58Co-inventors
78Inventor score
Filing activity: Sep 16, 1976 → Dec 30, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4935484A | Silicone resin powder and a process for preparing the same | Chemistry; Metallurgy | 86 | Expired |
| US5047492A | Organooligosilsesquioxanes | Chemistry; Metallurgy | 58 | Expired |
| US6531620B2 | Cyclic silazanes | Chemistry; Metallurgy | 48 | Expired |
| US4368294A | Process for preparing organopolysiloxane modified organic polymers | Chemistry; Metallurgy | 31 | Expired |
| US6534615B2 | Preparation of amino-functional siloxanes | Chemistry; Metallurgy | 30 | Expired |
| US6699808B1 | High-solids SiO2 dispersions, process for producing them, and their use | Chemistry; Metallurgy | 29 | Expired |
| US4413104A | Process for preparing organopolysiloxanes and copolymers thereof | Chemistry; Metallurgy | 23 | Expired |
| US5977243A | Organosilicon compounds, processes for their preparation, and their use in crosslinkable organopolysiloxane compositions | Chemistry; Metallurgy | 16 | Expired |
| US4113760A | Preparation of organopolysiloxane polymers | Chemistry; Metallurgy | 15 | Expired |
| US4276426A | Process for the preparation of organosilicon compounds | Chemistry; Metallurgy | 12 | Expired |
| US5334738A | Process for the preparation of methylchlorosilanes | Chemistry; Metallurgy | 12 | Expired |
| US5681892A | Coating composition based on water redispersible powders comprising water-soluble polymer and organosilicon compound | Chemistry; Metallurgy | 11 | Expired |
| US5302683A | Silicone resin-based coatings | Chemistry; Metallurgy | 11 | Expired |
| US4667046A | Method for preparing organopolysilanes and their uses | Chemistry; Metallurgy | 10 | Expired |
| US4857582A | Process for preparing colloidal suspensions of organopolysiloxanes | Chemistry; Metallurgy | 10 | Expired |
| US6388119B1 | Preparation of organosilanes | Chemistry; Metallurgy | 9 | Expired |
| US4394335A | Process for preparing structural components | Chemistry; Metallurgy | 9 | Expired |
| US4356293A | Organosiloxane block copolymers | Chemistry; Metallurgy | 9 | Expired |
| US5049636A | Organosols of organopolysiloxanes and a process for preparing the same | Chemistry; Metallurgy | 9 | Expired |
| US4209454A | Preparation of hydrocarbonoxy containing polysiloxanes | Chemistry; Metallurgy | 8 | Expired |
| US4126630A | Process for preparing oxime containing silicon compounds | Chemistry; Metallurgy | 8 | Expired |
| US4053495A | Process for preparing methylchlorosilanes | Chemistry; Metallurgy | 8 | Expired |
| US5861457A | Organopolysiloxane resin solutions, processes for their preparation, and their use in coating compositions | Chemistry; Metallurgy | 8 | Expired |
| US4833220A | Process for preparing moldings based on silicon oxycarbide | Chemistry; Metallurgy | 8 | Expired |
| US4176130A | Process for preparing acyloxysilanes and acyloxysiloxanes | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.