Number | Date | Country | Kind |
---|---|---|---|
43 13 510.2 | Apr 1993 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3980611 | Anderson et al. | Sep 1976 | |
5316714 | Yoneda et al. | May 1994 |
Number | Date | Country |
---|---|---|
0236948 | Sep 1987 | EPX |
0257611 | Mar 1988 | EPX |
0261430 | Mar 1988 | EPX |
0262430 | Apr 1988 | EPX |
0423402 | Apr 1991 | EPX |
Entry |
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Chemical Abstracts, vol. 110, No. 16, Apr. 17, 1989, abstract of JP-A-63 235 336, published Sep. 30, 1988. |
Chemical Abstracts, vol. 110, No. 14, Apr. 3, 1989, abstract of JP-A-63 238136, published Oct. 4, 1988. |