Number | Date | Country | Kind |
---|---|---|---|
1-313736 | Dec 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3981945 | Attwood et al. | Sep 1976 |
Number | Date | Country |
---|---|---|
63-175064 | Jan 1987 | JPX |
Entry |
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Database Chemical Abstracts (Host: STN), vol. 110, No. 10, 1988, abstract No. 77061t, Columbus, Ohio, US; and JP-A-63 175 064 (Dainippon Ink and Chemicals Inc.) Jul. 19, 1988. |