Number | Date | Country | Kind |
---|---|---|---|
89 16918 | Dec 1989 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4814127 | Toyoda | Mar 1989 |
Number | Date | Country |
---|---|---|
1180169 | Jan 1985 | CAX |
123934 | Nov 1984 | EPX |
130105 | Jan 1985 | EPX |
2401888 | Mar 1979 | FRX |
Entry |
---|
Chemical Abstracts, vol. 110, No. 6, Mar. 1989, Abstract No. 100541k. |
Patent Abstracts of Japan, vol. 102, (JP 1-112523), May 1, 1989. |