Number | Date | Country | Kind |
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91302573 | Mar 1991 | EPX |
This is a division of application Ser. No. 07/857,526 filed Mar. 25, 1992, now U.S. Pat. No. 5,254,575.
Number | Name | Date | Kind |
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5023336 | Shigehara | Jun 1991 |
Number | Date | Country |
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822030 | Mar 1975 | BEX |
0199968 | Nov 1986 | EPX |
2261756 | Sep 1975 | FRX |
Entry |
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Kosary, J., "Preparation of Carboxylic Acid Amides From Less Reactive Esters", Chemical Abstracts, vol. 94, No. 7, p. 573, Abstract No. 47247, Feb. 16, 1981, USA. |
Number | Date | Country | |
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Parent | 857526 | Mar 1992 |