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9827068 | Dec 1998 | GB |
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3580939 | Ceyzeriat et al. | May 1971 | A |
4888405 | Gamon et al. | Dec 1989 | A |
5391675 | Cray et al. | Feb 1995 | A |
5688888 | Burkus et al. | Nov 1997 | A |
5883215 | Bischoff et al. | Mar 1999 | A |
6077930 | Nobori et al. | Jun 2000 | A |
Number | Date | Country |
---|---|---|
575972 | Jun 1993 | EP |
860461 | Aug 1998 | EP |
Entry |
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Reinhard Schwesinger, et al., “Extremely Strong, Uncharged Auxiliary Bases; Monomeric and Polymer-Supported Polyaminophosphazenes (P2-P5)”, Liebigs Ann. 1996, pp. 1055-1081. |