Number | Date | Country | Kind |
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6-118229 | May 1994 | JPX |
Number | Name | Date | Kind |
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4918041 | Hollstein et al. | Apr 1990 | |
5198581 | Kawajiri et al. | Mar 1993 |
Number | Date | Country |
---|---|---|
0456837 | Jun 1990 | EPX |
5013308 | Jun 1973 | JPX |
5047915 | Aug 1973 | JPX |
596181 | Aug 1979 | JPX |
5940056 | Aug 1979 | JPX |
6456634 | Aug 1987 | JPX |
01288339 | May 1988 | JPX |
05293375 | Apr 1992 | JPX |
Entry |
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European Search Report, EP 95 10 8273, Nov. 3, 1995. |
Recent Progess in Solid Superacid, Applied Catalysis, 61 (1990) 1-25 no month. |
Copy of Taiwanese Official Action and Applicants' response. Jun. 1995. |