Number | Name | Date | Kind |
---|---|---|---|
2158025 | Hulst et al. | May 1939 | |
3644171 | Bevan et al. | Feb 1972 | |
3696559 | Hatton | Oct 1972 | |
3712866 | Falconer | Jan 1973 | |
3763072 | Kreiger | Oct 1973 | |
3772893 | Eilers | Nov 1973 | |
3812615 | Jamison | May 1974 | |
3818998 | Hessert | Jun 1974 | |
3895956 | Yoshida et al. | Jul 1975 | |
3950179 | Schneider | Apr 1976 | |
3986365 | Hughes | Oct 1976 | |
4022633 | Schneider | May 1977 | |
4051086 | Reid | Sep 1977 | |
4128692 | Reid | Dec 1978 | |
4333461 | Muller | Jun 1982 | |
4369597 | Leep et al. | Jan 1983 | |
4414776 | Ball | Nov 1983 | |
4415463 | Mosier et al. | Nov 1983 | |
4432666 | Frey et al. | Feb 1984 | |
4624868 | Muller | Nov 1986 | |
4637759 | Owa et al. | Jan 1987 | |
4693763 | Ross et al. | Sep 1987 | |
4743288 | Hirsbrunner | May 1988 | |
4787928 | Balassa | Nov 1988 | |
4826880 | Lesniak et al. | May 1989 | |
5082500 | Nachtman et al. | Jan 1993 | |
5096748 | Balassa | Mar 1992 |
Number | Date | Country |
---|---|---|
2851701A | Jun 1980 | DEX |
WO9108759 | May 1992 | WOX |
Entry |
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Manufacturer's Literature, "Natrosol," Published by Hercules Incorporated, 1990, 20 pp. |
Manufacturer's Literature of Industrial Mineral Ventures "Imvitone Organoclays & Clay Products," distributed by Seegott, Inc., 5400 Naiman Parkway, Solon, Ohio 44139, Date Unknown, 6 pp. |