Number | Date | Country | Kind |
---|---|---|---|
62-236207 | Sep 1987 | JPX | |
62-329626 | Dec 1987 | JPX | |
63-119236 | May 1988 | JPX | |
63-135562 | Jun 1988 | JPX |
This application is a continuation-in-part of now abandoned application, Ser. No. 07/247,263 filed on Sept. 21, 1988 now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3854967 | Reinmuth | Dec 1974 | |
4642298 | Kuramoto et al. | Feb 1987 | |
4666873 | Morris, Jr. et al. | May 1987 |
Number | Date | Country |
---|---|---|
0154992 | Sep 1985 | EPX |
61-31360 | Feb 1986 | JPX |
Entry |
---|
J. W. Maccawley et al., Progress in Nitrogen Ceramics, p. 111 (1983). |
R. W. Nurse et al., trans. Brit. Ceram. Soc., 64(9), 416 (1965). |
Electronic Ceramics, vol. 1, 17, No. 84, p. 68 (1986). |
Toshikazu Sakai, Journal of the Ceramic Society of Japan, No. 86, (3) p. 125 (1978). |
Number | Date | Country | |
---|---|---|---|
Parent | 247263 | Sep 1988 |