Number | Date | Country | Kind |
---|---|---|---|
42 39 101.6 | Nov 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2485237 | Gresham et al. | Oct 1949 | |
3098875 | Schmerling | Jul 1963 | |
3948998 | Fujiyama et al. | Apr 1976 | |
4368336 | Fujiyama et al. | Nov 1983 | |
4460794 | Fujiyama et al. | Jul 1984 | |
5208383 | Takefumi et al. | May 1993 | |
5235109 | Langi et al. | Aug 1993 |
Number | Date | Country |
---|---|---|
2422197 | Nov 1974 | DEX |
63-2943 | Jan 1988 | JPX |
Entry |
---|
Chemical Abstracts, vol. 070, No. 7, "Reaction of phenol with carbon monoxide under high pressure in the medium of hydrogen fluoride and boron fluoride", Feb. 17, 1969. |