Number | Date | Country | Kind |
---|---|---|---|
4000976 | Jan 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4017662 | Geshman | Apr 1977 |
Number | Date | Country |
---|---|---|
0100493 | Feb 1984 | EPX |
1811247 | Jul 1969 | DEX |
2645779 | Apr 1978 | DEX |
133099 | Jun 1978 | DEX |
3324479 | Jan 1985 | DEX |
3610576 | Oct 1987 | DEX |
2015280 | Jun 1960 | FRX |
1254294 | Nov 1971 | GBX |
Entry |
---|
Patent Abstracts of Japan, vol. 10, No. 345 (C-386) (2401) Nov. 20, 1986. |
JP-A-61 148273 (Yuuhoo Chem KK), Jul. 4, 1989. |
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