| 发明名称 | Method for producing pyrophosphate | ||
| 摘要 | A producing method of a high-purity pyrophosphate comprising a calcination of the orthophosphate under the condition of 120° C.-350° C.; and a producing method suitable for manufacturing effectively the high-purity melamine pyrophosphate. | ||
| 申请公布号 | US9315473(B2) | 申请公布日期 | 2016.04.19 |
| 申请号 | US201113821641 | 申请日期 | 2011.08.25 |
| 申请人 | ADEKA CORPORATION | 发明人 | Kamimoto Tetsuo;Kaneda Takayoshi;Kinoshita Hitoshi;Nakano Shinji;Ishii Susumu |
| 分类号 | C01B25/42;C07D251/56 | 主分类号 | C01B25/42 |
| 代理机构 | Millen, White, Zelano and Branigan, P.C. | 代理人 | Millen, White, Zelano and Branigan, P.C. |
| 主权项 | 1. A method of producing a melamine pyrophosphate powder, comprising producing said powder by calcination of melamine orthophosphate at 120° C. -350° C., in solid phase, with stirring, whereby said melamine pyrophosphate powder has a purity of 96.5% or more. | ||
| 地址 | Tokyo JP | ||