Number | Date | Country | Kind |
---|---|---|---|
60-117310 | May 1985 | JPX | |
60-117315 | May 1985 | JPX | |
60-116192 | May 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2736722 | Price | Feb 1956 | |
3850770 | Juna et al. | Nov 1974 | |
4001191 | Reed Jr. | Jan 1977 | |
4188455 | Howard | Feb 1980 | |
4205018 | Nagasawa et al. | May 1980 | |
4239866 | Reitel et al. | Dec 1980 | |
4343919 | Tefertiller et al. | Aug 1982 | |
4401794 | Driel et al. | Aug 1983 | |
4514037 | Bishop et al. | Apr 1985 |
Number | Date | Country |
---|---|---|
1793501 | Nov 1971 | DEX |
57-031970 | Feb 1982 | JPX |
57-085808 | May 1982 | JPX |
1193601 | Jun 1970 | GBX |
Entry |
---|
Chemical Abstracts, 69(24): 97413x 1968. |
Patent Abstracts of Japan, vol. 10, No. 107, Apr. 22, 1986. |
Patent Abstracts of Japan, vol. 6, No. 177, Sep. 11, 1982. |