Number | Date | Country | Kind |
---|---|---|---|
7-086906 | Apr 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4496768 | Dennis et al. | Jan 1985 | |
4496769 | Dennis et al. | Jan 1985 | |
4769498 | Billig et al. | Sep 1988 | |
5138101 | Devon | Aug 1992 | |
5202297 | Lorz et al. | Apr 1993 | |
5254741 | Lorz et al. | Oct 1993 | |
5288918 | Maher et al. | Feb 1994 | |
5364950 | Babin et al. | Nov 1994 | |
5414138 | Omatsu et al. | May 1995 |
Number | Date | Country |
---|---|---|
53 68709 | Jun 1978 | JPX |
56 2994 | Jan 1981 | JPX |
Entry |
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Patent Abstracts of Japan, JP-A-51 11745, (with GB 1 502 339) (1981). |
Encyclopedia of Chemical Technology; vol. 18; Fourth edition; pp. 664-666; 1996 1996. |