Number | Name | Date | Kind |
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4384096 | Sonnabend | May 1983 | A |
4529773 | Witiak et al. | Jul 1985 | A |
4540576 | Zahradnik | Sep 1985 | A |
4616074 | Ruffner | Oct 1986 | A |
4743698 | Ruffner et al. | May 1988 | A |
RE33156 | Shay et al. | Jan 1990 | E |
5011978 | Barron et al. | Apr 1991 | A |
5294692 | Barron et al. | Mar 1994 | A |
5368843 | Rennie | Nov 1994 | A |
5549914 | Farber | Aug 1996 | A |
Number | Date | Country |
---|---|---|
0 786 514 | Jul 1997 | EP |
Entry |
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G. Shay, “Alkali-Swellable and Alkali-Soluble Thickener Technology”, American Chemical Society, 1989, pp. 457-493. |