Number | Date | Country | Kind |
---|---|---|---|
4041571 | Dec 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2693489 | Kleinschmidt | Nov 1954 | |
2727057 | Park | Dec 1955 | |
2793229 | Blaser et al. | Nov 1957 | |
2810747 | Sexton et al. | Oct 1957 | |
2818426 | Kosmin et al. | Dec 1957 | |
2829095 | Oda et al. | Apr 1958 | |
3269927 | Bost | Aug 1966 | |
3310481 | Mock et al. | Mar 1967 | |
4057481 | Lee et al. | Dec 1977 | |
4499028 | Longley | Feb 1985 | |
4615780 | Walker | Oct 1986 | |
4670125 | Mueller et al. | Jun 1987 | |
4696773 | Lukenbach et al. | Sep 1987 | |
4781809 | Falcone | Nov 1988 |
Number | Date | Country |
---|---|---|
960196 | Mar 1957 | DEX |
2646421A | Nov 1990 | FRX |
8901059 | Feb 1989 | WOX |
Entry |
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Ullmanns Encyklopadie der technischen Chemie, 4th Ed., vol. 7, (1979) pp. 199-202. |
Ullmanns Encyclopedia of Industrial Chemistry, vol. A3, (1985) pp. 507-537. |
Chem. Abstracts, vol. 71, No. 12; Abstract No. 56451F. |
Chem. Ing. Tech. 61, 428 (1989). |
Chem. Abstracts, vol. 109, No. 16; Abstract No. 131270e. |
JP-A 63293189 (Derwent Abstract); Nov. 1988. |
JP-A 1304190; Dec. 1989. |