Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034147 | Method and apparatus for the production of essentially void free foams | David A. Radovich, David D. Steppan, James D. Shoup | 2000-03-07 |
| 6022912 | Expansion of polymeric microspheres insitu in a rigid PUR/PIR foam formulation using a twin screw extruder | Rick L. Archey, Carl E. Holsinger, Leslie J. Vescio | 2000-02-08 |
| 5801210 | Method and apparatus for the production of essentially void free foams | David A. Radovich, David D. Steppan, James D. Shoup | 1998-09-01 |
| 5106527 | Azeotropes of 2-methylbutane and 1,1-dichloro-1-fluorethane and the use thereof in the production of rigid foams | Herman P. Doerge, Charles E. Mortimer | 1992-04-21 |
| 5102920 | Novel azeotropes and the use thereof in the production of rigid foams | Herman P. Doerge, Charles E. Mortimer | 1992-04-07 |
| 4477602 | Novel system for the production of polyurethanes | Tai M. Liang | 1984-10-16 |
| 4448903 | Novel system for the production of polyurethanes | Tai M. Liang | 1984-05-15 |
| 4302272 | Process for heat sealing polyurethane foam | Barry A. Phillips, Richard E. Keegan | 1981-11-24 |
| 4282332 | Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat sealable foams | Barry A. Phillips, Richard E. Keegan | 1981-08-04 |
| 4234745 | Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat sealable foams | Barry A. Phillips, Richard E. Keegan | 1980-11-18 |