Number | Name | Date | Kind |
---|---|---|---|
RE. 35696 | Mikus | Dec 1997 | |
2191510 | Whitehurst | Feb 1940 | |
2572338 | Hartwig et al. | Oct 1951 | |
4355003 | Grobel | Oct 1982 | |
4451578 | Setzer et al. | May 1984 | |
4479925 | Shires et al. | Oct 1984 | |
4504447 | Spurrier et al. | Mar 1985 | |
4522894 | Hwang et al. | Jun 1985 | |
4691071 | Bricker | Sep 1987 | |
4692306 | Minet et al. | Sep 1987 | |
4716023 | Christner et al. | Dec 1987 | |
4861348 | Koyama et al. | Aug 1989 | |
4863712 | Twigg et al. | Sep 1989 | |
4869894 | Wang et al. | Sep 1989 | |
4925456 | Egglestone | May 1990 | |
4943493 | Vartanian | Jul 1990 | |
5143800 | George et al. | Sep 1992 | |
5181937 | Karafian et al. | Jan 1993 | |
5401589 | Palmer et al. | Mar 1995 | |
5486428 | Gardner et al. | Jan 1996 | |
5595833 | Gardner et al. | Jan 1997 | |
5609834 | Hamada et al. | Mar 1997 | |
5641585 | Lessing et al. | Jun 1997 | |
5648182 | Hara et al. | Jul 1997 | |
5733347 | Lesieur | Mar 1998 | |
5741474 | Isomura et al. | Apr 1998 | |
5858314 | Hsu et al. | Jan 1999 | |
5861441 | Waycuilis | Jan 1999 |
Number | Date | Country |
---|---|---|
WO 9745887 | Dec 1997 | WO |
WO 9808771 | Mar 1998 | WO |
WO 9813294 | Apr 1998 | WO |
WO 9846347 | Oct 1998 | WO |
Entry |
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Article “Will Developing Countries Spur Fuel Cell Surge?” by R. Singh, Chemical Engineering Progress, Mar. 1999, pp. 59-66. |
Article “New Hydrocarbon Proton Exchange embranes Based on Sulfonated Styrene-Ethylene/Butylene-Styrene Triblock Copolymers” by G.E. Wnek et al., Electrochemical Society Proceedings (1995), vol. 95-23, pp. 247-251. |