Anion exchange resins |
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| 申请号 | US64241646 | 申请日 | 1946-01-19 | 公开(公告)号 | US2525480A | 公开(公告)日 | 1950-10-10 |
| 申请人 | AMERICAN CYANAMID CO; | 发明人 | DUDLEY JAMES R; | ||||
| 摘要 | |||||||
| 权利要求 | 7. A WATER-INSOLUBLE GRANULAR RESINOUS MATERIAL PREPARED BY CONDENSING, AS SOLE REACTANTS, A FURYL SUBSTITUTED ALIPHATIC AMINE AND FURFURAL IN THE PRESENCE OF ACID, PERMITTING THE RESULTING CONDENSATION PRODUCT TO GEL, CURING THE GEL BY HEATING, AND GRANULATING THE CURED GEL. |
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| 说明书全文 | |||||||
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