Number | Date | Country | Kind |
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3225290 | Jul 1982 | DEX |
This is a division of application Ser. No. 511,609, filed July 7, 1983, now U.S. Pat. No. 4,627,933.
Number | Name | Date | Kind |
---|---|---|---|
3787512 | Nelson | Jan 1974 | |
4617142 | Sugimori | Oct 1986 | |
4627933 | Eidenschink et al. | Dec 1986 | |
4744918 | Heppke et al. | May 1988 |
Number | Date | Country |
---|---|---|
23730 | Feb 1981 | EPX |
2658610 | Jul 1977 | DEX |
155063 | May 1982 | DDX |
155078 | May 1982 | DDX |
60-181059 | Sep 1985 | JPX |
60-197637 | Oct 1985 | JPX |
60-204743 | Oct 1985 | JPX |
60-215652 | Oct 1985 | JPX |
60-237048 | Nov 1985 | JPX |
60-246347 | Dec 1985 | JPX |
61-5054 | Jan 1986 | JPX |
62-19561 | Jan 1987 | JPX |
87-5291 | Sep 1987 | WOX |
Entry |
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Ong, B. S., et al., Tetrahedron Lett., No. 37, pp. 3257-3260 (1976). |
Demus, D., Nonemissive Electro Optical Displays, pp. 83-119 (1975). |
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Number | Date | Country | |
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Parent | 511609 | Jul 1983 |