Number | Date | Country | Kind |
---|---|---|---|
2-252016 | Sep 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3255072 | Sheetz et al. | Jun 1966 | |
3692092 | Longoria | Sep 1972 | |
4504576 | Kemme | Mar 1985 | |
4675245 | Von Meer | Jun 1987 | |
4731291 | Kerhoff | Mar 1988 | |
4820582 | Merz et al. | Apr 1989 |
Entry |
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James P. Casy, ed., "Pulp and Paper Chemistry and Chemical Technology", third edition, vol. III, 1981, John Wiley and Sons, New York, pp. 1458-1461. |
Patent Abstracts of Japan, vol. 11, No. 279 (P-614) (2726) Sep. 10, 1987. |
Journal of Applied Photographic Engineering, vol. 7, No. 3, 1981, pp. 67-72; Klaus B. Kasper et al., "Chemical Formulations and Requirements of Photographic Paper", p. 69. |