Number | Date | Country | Kind |
---|---|---|---|
89/9440 | Dec 1989 | ZAX |
Number | Name | Date | Kind |
---|---|---|---|
3306720 | Darrow | Feb 1967 | |
3743489 | Wentorf, Jr. et al. | Jul 1973 | |
3745623 | Wentorf, Jr. et al. | Jul 1973 | |
3767371 | Wentorf, Jr. et al. | Oct 1973 | |
3913280 | Hall | Oct 1975 | |
4063909 | Mitchell | Dec 1977 | |
4151686 | Lee et al. | May 1979 | |
4224380 | Bovenkerk et al. | Sep 1980 | |
4466938 | Gigl et al. | Aug 1984 | |
4534773 | Phaal et al. | Aug 1985 | |
4673414 | Lavens et al. | Jun 1987 | |
4793828 | Burnand | Dec 1988 | |
4874398 | Ringwood | Oct 1989 | |
4931068 | Dismukes et al. | Jun 1990 | |
5011514 | Cho et al. | Apr 1991 |
Number | Date | Country |
---|---|---|
2158086 | Mar 1985 | GBX |
Entry |
---|
Chemical Abstracts, 105(6), 47853g (1986). |