发明授权
- 专利标题: Cellulose carbonates and methods for their preparation
- 专利标题(中): 纤维素碳酸盐及其制备方法
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申请号: US3705890D申请日: 1970-12-14
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公开(公告)号: US3705890A公开(公告)日: 1972-12-12
- 发明人: BARKER SIDNEY ALAN , KENNEDY JOHN FREDERICK , GRAY CHARLES JOHN
- 申请人: RANKS HOVIS MCDOUGALL LTD
- 专利权人: Ranks Hovis Mcdougall Ltd
- 当前专利权人: Ranks Hovis Mcdougall Ltd
- 优先权: GB6170169 1969-12-18
- 主分类号: C08B3/00
- IPC分类号: C08B3/00 ; C08B3/14 ; C08B3/22 ; C08B5/00 ; C08B7/00 ; C08B11/20 ; C08B13/00 ; C08B15/06 ; C12N11/12 ; C13K1/06 ; C08B3/04
摘要:
CELLULOSE CARBONATE IS PREPARED BY REACTING CELLULOSE OR A 6-SUBSTITUTED CELLULOSE, E.G. METHYL CELLULOSE, HYDROXYETHYL CELLULOSE, CARBOMETHYL CELLULOSE AND DIETHYLAMINOETHYL WITH AN ALKYL OR ARYL CHLOROFORMATE.
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