Number | Date | Country | Kind |
---|---|---|---|
64-784 | Jan 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3277064 | Lovelock | Oct 1966 | |
4455413 | Tomishima | Jun 1984 | |
4464519 | Mango | Aug 1984 |
Number | Date | Country |
---|---|---|
0062285 | Oct 1982 | EPX |
Entry |
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Patent Abstracts of Japan, vol. 9, No. 331 (C-321) (2054) Dec. 25, 1985, & JP-A-60 158206 (Toyo Soda Kogyo K.K.) Aug. 19 1985. |
Patent Abstracts of Japan, vol.10, No. 303 (C-378) (2359) Oct. 16, 1986, & JP-A-61 115908 (Kanegafuchi Chem Ind. Co. Ltd.) Jun. 3, 1986. |