Number | Name | Date | Kind |
---|---|---|---|
3970601 | Weber et al. | Jul 1976 | |
3993619 | Kruckenberg et al. | Nov 1976 | |
4284729 | Cross et al. | Aug 1981 | |
4617373 | Pruett et al. | Oct 1986 | |
4750935 | Prochaska et al. | Jun 1988 | |
4757130 | DeMartino | Jul 1988 | |
4778742 | Ong et al. | Oct 1988 | |
5194463 | Krutak et al. | Mar 1993 | |
5217255 | Lin et al. | Jun 1983 | |
5231135 | Machell et al. | Jul 1993 | |
5401612 | Etzbach et al. | Mar 1995 |
Number | Date | Country |
---|---|---|
322805 | Jul 1989 | EPX |
Entry |
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Frisch et al., "Advances in Urethane Science and Technology", vol. 10, pp. 121-162 (1987). |