Number | Date | Country | Kind |
---|---|---|---|
4029591 | Sep 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4058124 | Yen et al. | Nov 1977 | |
4110431 | Otia | Aug 1978 | |
4116899 | Fanta et al. | Sep 1978 | |
4666975 | Yamasaki et al. | May 1987 |
Number | Date | Country |
---|---|---|
0071063 | Feb 1983 | EPX |
8703208 | Jun 1987 | WOX |
Entry |
---|
European Search Report (Jan. 31, 1992). |
Chemical Abstracts, vol. 103, No. 25, Dec. 23, 1985: 214126q. |