Number | Name | Date | Kind |
---|---|---|---|
4663053 | Geiger | May 1987 | |
4698161 | Hansen | Oct 1987 | |
4711740 | Carter et al. | Dec 1987 | |
4941946 | Henn et al. | Jul 1990 | |
5196139 | Moschner | Mar 1993 | |
5429765 | Flower | Jul 1995 | |
5456854 | Flower | Oct 1995 | |
5489397 | Bainbridge | Feb 1996 | |
5496486 | Staley | Mar 1996 | |
5635467 | Staley | Jun 1997 | |
5925610 | Austin et al. | Jul 1999 |
Number | Date | Country |
---|---|---|
877076 A2 | Nov 1998 | EP |
935733 | Sep 1963 | GB |
2023121 | Dec 1979 | GB |
2138439 | Oct 1984 | GB |
62-141099 | Jun 1987 | JP |
WO 9720024 | Jun 1997 | WO |
Entry |
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Database WIP, Section CH, Week 198731, Derwent Publications Ltd., London, GB; Class A97, AN 1987-216333, XP002166009 & JP 62 141099 A (Lion Haijin KK) Jun. 24, 1987 (Jun. 24, 1987) abstract. |
Chemical Abstracts, vol. 106, No. 24, Jun. 5, 1987 (Jun. 5, 1987); Columbus, Ohio, US; Abstract No. 19853a, Tamura C et al., “Studies on the Removal of Particulate Soil”, p. 101; XP002166008 Abstract & Yukagaku, vol. 36, No. 3, 1987, pp. 192-199. |