Number | Date | Country | Kind |
---|---|---|---|
5-088700 | Apr 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3938303 | Ushio et al. | Feb 1976 | |
4049011 | Nakai et al. | Sep 1977 | |
4058955 | Nakai et al. | Nov 1977 | |
4383541 | Uchida | May 1983 | |
4832655 | Sakurai | May 1989 | |
5002516 | Watanabe et al. | Mar 1991 |
Number | Date | Country |
---|---|---|
357156 | Mar 1990 | EPX |
1449051 | Apr 1964 | DEX |
62-208329 | Sep 1987 | JPX |
2066532 | Jul 1981 | GBX |
Entry |
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Chemical Patents Index, Documentation Abstracts Journal, Week 9215, Derwent Publications Ltd. AN 92-118314 & JP-A-04 059 706, Feb. 26, 1992. |
Chemical Patents Index, Documentation Abstracts Journal, Week 9150, Derwent Publications Ltd., AN 91-365775 & JP-A-03 246 204, Nov. 1, 1991. |