Number | Date | Country | Kind |
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99810997 | Nov 1999 | EP |
Number | Name | Date | Kind |
---|---|---|---|
4075163 | Hofer et al. | Feb 1978 | A |
6103796 | Staneik et al. | Aug 2000 | A |
Number | Date | Country |
---|---|---|
0633287 | Jan 1995 | EP |
Entry |
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The Merck Index, an Encyclopedia of Chemicals, Drugs, and Biologicals, 10th Ed., p. 611, No. 4162 and p. 722, No. 4857, 1983. |