This application is a continuation of prior U.S. application Ser. No. 855,379, filing date 4/24/86 which is a continuation-in-part of application Ser. No. 781,985, filing date 9/30/85 now abandoned.
Number | Name | Date | Kind |
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3143524 | Cooper et al. | Aug 1964 | |
3198820 | Pines et al. | Aug 1965 | |
3793360 | Prokai et al. | Feb 1974 |
Number | Date | Country |
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846546 | Jul 1981 | SUX |
Entry |
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Chem. Abstracts, vol. 93, No. 192 556a, "Chemical Modification of Silica Gel by Long-Chain Organic Compounds," Vestn. Mosk, Univ., Ser. 2: Khim. 1980, 21(4), 370-3, Staroverov et al. |
Number | Date | Country | |
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Parent | 855379 | Apr 1986 |
Number | Date | Country | |
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Parent | 781985 | Sep 1985 |