This is a divisional application of U.S. application Ser. No. 08/213,648 filed on Mar. 16, 1994 now U.S. Pat. No. 5,457,176, which is a continuation-in-part application of U.S. application Ser. No. 08/125,052 fried on Sep. 21, 1993now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3052655 | Fox et al. | Sep 1962 | |
3474083 | Shiga et al. | Oct 1969 | |
3846380 | Fujimoto et al. | Nov 1974 | |
3923751 | Iwashita et al. | Dec 1975 | |
4363797 | Jacquet et al. | Dec 1982 | |
4590260 | Harada et al. | Nov 1986 | |
4696981 | Harada et al. | Sep 1987 | |
4839461 | Boehmke | Jun 1989 | |
5057597 | Koskan | Oct 1991 | |
5142062 | Knebel et al. | Aug 1992 | |
5219952 | Koskan et al. | Jun 1993 | |
5221733 | Koskan et al. | Jun 1993 | |
5291986 | Cassata | Jun 1993 | |
5319145 | Paik et al. | Jun 1994 | |
5371177 | Paik et al. | Dec 1994 | |
5371179 | Paik et al. | Dec 1994 | |
5380817 | Paik et al. | Jan 1995 |
Number | Date | Country |
---|---|---|
454126 | Oct 1991 | EPX |
511037 | Oct 1992 | EPX |
262665 | Dec 1988 | DEX |
449394 | Apr 1969 | JPX |
528873 | Mar 1977 | JPX |
3271265 | Dec 1991 | JPX |
Entry |
---|
Kokufuta, E., et al., "Temperature Effect on the Molecular Weight and the Optical Purity of Anhydropolyaspartic Acid Prepared by Thermal Polycondensation", Bul. Chem. Soc. Japan, 51(5): 1555-1556 (1978). |
Neri, P., "Synthesis of Alpha, Beta-Poly [(2-Hydroxyethyl)-DL-Aspartamide], A New Plasma Expander", Journal of Medicinal Chemistry 16(8):893897 (1973). |
Fox, S., "Thermal Polycondensation of Alpha-Amino Acids", Analytical Methods of Protein Chemistry, pp. 127-154, Permagon Press, Oxford (1966). |
Fox, S., et al., "Thermal Copolymerization of Amino Acids in Thepresence of Phosphoric Acid", Archives of Biochemistry and Biophysics, 86:281-285 (1960). |
Harada, K., "Polycondensation of Thermal Precursors of Aspartic Acid", Journal of Organic Chemistry 24:1662-1666 (1959). |
Number | Date | Country | |
---|---|---|---|
Parent | 213648 | Mar 1994 |
Number | Date | Country | |
---|---|---|---|
Parent | 125052 | Sep 1993 |