Number | Date | Country | Kind |
---|---|---|---|
84 13359 | Aug 1984 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3321965 | Johnson et al. | May 1967 | |
3550445 | Kiel | Dec 1970 | |
3636762 | Kuo et al. | Jan 1972 | |
4328705 | Gringarten | May 1982 | |
4597290 | Bourdet et al. | Jul 1986 | |
4607524 | Gringarten | Aug 1986 |
Entry |
---|
World Oil, vol. 196, No. 6, pp. 95-106, May 1983, D. Bourdet, etc. |