Number | Date | Country | Kind |
---|---|---|---|
5-211059 | Aug 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3685804 | Stansfield | Aug 1972 | |
4634761 | Mendiratta et al. | Jan 1987 | |
5196507 | Totani et al. | Mar 1993 | |
5324816 | Khanna et al. | Jun 1994 |
Number | Date | Country |
---|---|---|
0488190 | Jun 1992 | EPX |
470444 | Mar 1969 | CHX |
WO8704637 | Aug 1987 | WOX |
WO9312168 | Jun 1993 | WOX |
Entry |
---|
Database WPI, Derwent Publications Ltd., AN 74-81418V; Chemical Abstracts, vol. 81, No. 20, Nov. 18, 1974, p. 50, of JP-A-49 028 642, Mar. 14, 1974. |
Patent Abstracts of Japan, vol 16, No. 375 (C-0973), Aug. 12, 1992; Derwent Publications Ltd., AN 92-180932, of JP-A-41 020 133, Apr. 21, 1992. |