Keith G. Spitler
11Patents
6h-index
11Co-inventors
63Inventor score
Filing activity: Oct 26, 1977 → Sep 22, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5801210A | Method and apparatus for the production of essentially void free foams | Chemistry; Metallurgy | 23 | Expired |
| US6022912A | Expansion of polymeric microspheres insitu in a rigid PUR/PIR foam formulation using a twin screw extruder | Chemistry; Metallurgy | 17 | Expired |
| US4302272A | Process for heat sealing polyurethane foam | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5106527A | Azeotropes of 2-methylbutane and 1,1-dichloro-1-fluorethane and the use thereof in the production of rigid foams | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4477602A | Novel system for the production of polyurethanes | Chemistry; Metallurgy | 11 | Expired |
| US4448903A | Novel system for the production of polyurethanes | Chemistry; Metallurgy | 8 | Expired |
| US5102920A | Novel azeotropes and the use thereof in the production of rigid foams | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6034147A | Method and apparatus for the production of essentially void free foams | Chemistry; Metallurgy | 2 | Expired |
| US4234745A | Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat sealable foams | Chemistry; Metallurgy | 2 | Expired |
| US4128512A | Post treatment of flexible polyurethane foam with organic siloxanes for increasing the water absorbency and penetration | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4282332A | Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat sealable foams | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.