Number | Date | Country | Kind |
---|---|---|---|
3-157725 | May 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4663332 | Carson et al. | May 1987 | |
4672066 | Carson et al. | Jun 1987 |
Number | Date | Country |
---|---|---|
276065 | Jul 1988 | EPX |
64-29363 | Jan 1989 | JPX |
Entry |
---|
Chemical Abstracts, vol. 111, No. 11, Abstract 97094e, p. 729, Sep. 11, 1989. |