Georg Burkhart
27Patents
11h-index
37Co-inventors
71Inventor score
Filing activity: Jul 11, 1988 → Jul 10, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7196153B2 | Equilibration of siloxanes | Chemistry; Metallurgy | 71 | Expired |
| US7612158B2 | Equilibration of siloxanes | Chemistry; Metallurgy | 60 | Active |
| US5306737A | Polysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average molecule | Chemistry; Metallurgy | 39 | Expired |
| US5844010A | Method of preparing polyurethane foam utilizing block copolymers having linked siloxane blocks | Chemistry; Metallurgy | 25 | Expired |
| US5357018A | Polysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average molecule | Chemistry; Metallurgy | 23 | Expired |
| US5321051A | Polysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average molecule | Chemistry; Metallurgy | 20 | Expired |
| US6117963A | Tetrahydrofuran-containing silicone polyethers | Chemistry; Metallurgy | 19 | Expired |
| US5565194A | Polysiloxane-polyoxyalkylene block copolymers and their use as additives for hair cosmetics | Chemistry; Metallurgy | 17 | Expired |
| US5614566A | Method for the preparation of rigid foams having urethane and/or isocyanurate groups and being extensively open celled | Chemistry; Metallurgy | 14 | Expired |
| US5079270A | Method for the preparation of molded polyurethane and polyurea articles | Chemistry; Metallurgy | 11 | Expired |
| US6730749B1 | Siloxane block copolymers having linked siloxane blocks | Chemistry; Metallurgy | 11 | Expired |
| US5990187A | Method of preparing polyurethane foam utilizing organofunctionally modified polysiloxanes | Chemistry; Metallurgy | 10 | Expired |
| US5391679A | Method for the synthesis of polyether siloxanes | Chemistry; Metallurgy | 10 | Expired |
| US5633292A | Method for producing cold polyurethane foams | Chemistry; Metallurgy | 9 | Expired |
| US5985948A | Use of silicone polyether copolymers in the production of high-resilience polyurethane foams | Chemistry; Metallurgy | 8 | Expired |
| US5093376A | Method for the preparation of flexible polyester polyurethane foams | Chemistry; Metallurgy | 8 | Expired |
| US6824862B2 | Fiber-reinforced ceramic composite | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6194475A | Use of metal salts of ricinoleic acid in producing polyurethane | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6414175B1 | Innovative siloxane block copolymers with rigid spacers and their use | Chemistry; Metallurgy | 5 | Expired |
| US6166098A | Use of organofunctionally modified polysiloxanes in the production of polyurethane foam | Chemistry; Metallurgy | 5 | Expired |
| US5082868A | Method for the preparation of polyurethane foams | Chemistry; Metallurgy | 4 | Expired |
| US5132333A | Method for the preparation of flexible polyurethane foams with reduced hardness comprising adding a hydroxycarboxylic acid salt | Chemistry; Metallurgy | 4 | Expired |
| US6617365B2 | Use of silicon-polyether copolymers in the production of high resilience polyurethane foams | Chemistry; Metallurgy | 4 | Expired |
| US4837244A | Method for the preparation of polyurethane foams | Chemistry; Metallurgy | 3 | Expired |
| US5064870A | Method for the production of highly elastic, cold-curing polyurethane foams | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.