Number | Date | Country | Kind |
---|---|---|---|
6-122124 | Jun 1994 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2847395 | Wear | Aug 1958 | |
3755258 | Tiedman | Aug 1973 | |
4585698 | Anzai et al. | Apr 1986 |
Number | Date | Country |
---|---|---|
163128 | Jul 1991 | JPX |
Entry |
---|
Chemical Abstracts 54:21003h, "Preparation of Halogen Derivatives of Esters of Perinaphthindandione carboxylic Acid". |