Number | Name | Date | Kind |
---|---|---|---|
3679618 | Lohr | Jul 1972 | |
3904575 | Satokawa et al. | Sep 1975 | |
4118537 | Vary et al. | Oct 1978 | |
4252859 | Concannon et al. | Feb 1981 | |
4383075 | Abel | May 1983 | |
4568573 | Sunada et al. | Feb 1986 | |
5164426 | Shimizu et al. | Nov 1992 | |
5223562 | Sagawa et al. | Jun 1993 | |
5230961 | Tannenbaum | Jul 1993 | |
5272186 | Jones | Dec 1993 | |
5349003 | Kato et al. | Sep 1994 | |
5478651 | Tannenbaum | Dec 1995 | |
5562991 | Tannenbaum | Oct 1996 |
Number | Date | Country |
---|---|---|
0 193 963 B1 | Oct 1991 | EPX |
1-16855 | Mar 1989 | JPX |
1-25506 | May 1989 | JPX |
WO 9303919 | Mar 1993 | WOX |
WO 9303921 | Mar 1993 | WOX |
Entry |
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Dialog Information Services,File 351, Derwent WPI, Dialog accession No. 009410975, Du Pont Japan Ltd. (Feb. 1993). |