Hans-Walter Illger
19Patents
8h-index
32Co-inventors
68Inventor score
Filing activity: Nov 29, 1978 → May 20, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4288559A | Flame resistant foam | Chemistry; Metallurgy | 72 | Expired |
| US4644017A | Process for the production of polyisocyanate addition products and composite polyisocyanate addition products | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4240950A | Stabilized filler suspensions in polyols | Chemistry; Metallurgy | 16 | Expired |
| US4282329A | Stabilized filler suspensions in polyols | Chemistry; Metallurgy | 13 | Expired |
| US4970243A | Process for the production of flexible slabstock polyurethane foams | Chemistry; Metallurgy | 13 | Expired |
| US4565834A | Stabilizer-containing reactive components for pu-foams, new stabilizers and a process for producing these stabilizers | Chemistry; Metallurgy | 11 | Expired |
| US4782099A | Process for the production of elastic, open-celled flexible polyurethane foams having increased compression hardness | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4223095A | Flame-resistant polyurethane foam and a process for its production | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4305991A | Integral-skin polyurethane foams and process therefor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4355171A | Preparation of polysiloxane/polyoxyalkylene copolymer useful as stabilizers in making polyurethane foams | Chemistry; Metallurgy | 8 | Expired |
| US5286761A | Process for the production of low-fog flexible polyester polyurethane foams and their use in vehicles | Chemistry; Metallurgy | 7 | Expired |
| US4497962A | Preparation of polysiloxane/polyoxyalkylene copolymer useful as stabilizers in making polyurethane foams | Chemistry; Metallurgy | 7 | Expired |
| US5373029A | Process for the production of low-fog flexible polyester polyurethane foams and their use in vehicles | Chemistry; Metallurgy | 7 | Expired |
| US4430452A | Stabilizer-containing reactive components for PU-foams, new stabilizers and a process for producing these stabilizers | Chemistry; Metallurgy | 6 | Expired |
| US4371630A | Solution of a polyurethane in a polyol and a process for using such a solution in the production of polyurethane plastics | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4608399A | Stabilizer-containing reactive components for pu-foams, new stabilizers and a process for producing these stabilizers | Chemistry; Metallurgy | 4 | Expired |
| US6100309A | Process for preparing elastic polyurethane slabstock foams | Chemistry; Metallurgy | 3 | Expired |
| US4342798A | Process for production of flame resistant foam | Chemistry; Metallurgy | 2 | Expired |
| US4306037A | Process for the manufacture of elastic polyurethane foams capable of being flame laminated and high frequency welded | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.