Number | Name | Date | Kind |
---|---|---|---|
2249512 | Wimmer et al. | Jul 1941 | |
2253471 | Muskat et al. | Aug 1941 | |
2410541 | Joyce | Nov 1946 | |
2593451 | Hill et al. | Apr 1952 | |
2676997 | Brown et al. | Apr 1954 | |
2803677 | Neher et al. | Aug 1957 | |
2803678 | Conrad | Aug 1957 | |
3268602 | Goble et al. | Aug 1966 | |
3304336 | Callahan | Feb 1967 | |
3553281 | Goble et al. | Jan 1971 | |
3567794 | Eberly | Mar 1971 | |
3637872 | Berkowitz | Jan 1972 | |
3725304 | Wilheim | Apr 1973 | |
3760015 | Berkowitz | Sep 1973 | |
3870762 | Stacey et al. | Mar 1975 | |
3892683 | Germanas | Jul 1975 | |
3948804 | Rausch | Apr 1976 | |
3968053 | Rausch | Jul 1976 | |
4016068 | Rausch | Apr 1977 | |
4225519 | Reinhardt | Sep 1980 | |
4317800 | Sloterdijk et al. | Mar 1982 | |
4485081 | Magistro | Nov 1984 | |
4672146 | Abrevaya et al. | Jun 1987 | |
4899001 | Kalnes et al. | Feb 1990 | |
4982039 | Benson et al. | Jan 1991 |
Entry |
---|
Indian J. Technol., 1978, 16(6), pp. 223-231 Jun. 1978. |
Indian J. Technol., 1878(16)6, pp. 232-237 Jun. 1978. |
Derwent 45405 K/19 (abstract only of J58055-436) to Nissan Chem Ind. KK Sep. 26, 1981. |
Derwent 83504B/46 (abstract only of J54130-506) to Daikin Kogyo KK Mar. 30, 1978. |
Derwent 12223V/07 (abstract only of J48085-51) to Kureha Chem. Ind. Co., Ltd. Feb. 22, 1972. |