Number | Date | Country | Kind |
---|---|---|---|
2-123832 | May 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2847711 | Hibbard | Aug 1958 | |
4675380 | Buckmaster et al. | Jun 1987 | |
4714756 | Buckmaster | Dec 1987 |
Number | Date | Country |
---|---|---|
671689 | Oct 1965 | BEX |
39-1810 | Feb 1964 | JPX |
828719 | Feb 1960 | GBX |
1017749 | Jan 1966 | GBX |
1060764 | Mar 1967 | GBX |
1100388 | Jan 1968 | GBX |
1240883 | Jul 1971 | GBX |
Entry |
---|
Chemical Abstracts, vol. 78, No. 16, Apr. 23, 1973, p. 33, Abstr. No. 98466q. |
Database WPI, Accession No. 73-075104, Derwent Publications Ltd., London, GB & SU-A-3427 779. |