Number | Date | Country | Kind |
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98-10245 | Aug 1998 | FR |
Number | Name | Date | Kind |
---|---|---|---|
4523967 | Cartwright | Jun 1985 | A |
H233 | Tracy | Mar 1987 | H |
4978482 | Johnson et al. | Dec 1990 | A |
5756928 | Ito et al. | May 1998 | A |
5949016 | Baroody et al. | Sep 1999 | A |
Number | Date | Country |
---|---|---|
1339516 | Dec 1973 | GB |
Entry |
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Elvers et al.: Ullmann's Encyclopedia of Industrial Chemistry, 5th revised ed., vol. A23 (1993), pp. 81, 84, and 86 (XP 002099878). |
Chemical Abstracts, vol. 112, No. 24 (1990) (XP 000155896). |