发明授权
- 专利标题: Process for the preparation of an aqueous solution of a heteropolysaccharide
- 专利标题(中): 制备杂多糖水溶液的方法
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申请号: US141794申请日: 1988-01-11
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公开(公告)号: US4816077A公开(公告)日: 1989-03-28
- 发明人: George van Os , Jan J. Bleeker , Cornelis W. A. Schram
- 申请人: George van Os , Jan J. Bleeker , Cornelis W. A. Schram
- 申请人地址: TX Houston
- 专利权人: Shell Oil Company
- 当前专利权人: Shell Oil Company
- 当前专利权人地址: TX Houston
- 优先权: GBX8514315 19850606
- 主分类号: C08L5/00
- IPC分类号: C08L5/00 ; C09K8/90 ; C12P19/04 ; E21B21/00 ; E21B43/25 ; C09K3/00 ; C13K1/00
摘要:
An aqueous solution of a heteropolysaccharide comprising glucose, galactose, pyruvic and succinic acid, is prepared by mixing a concentrate of said heteropolysaccharide with a saline aqueous medium containing from 12 to 30% w of at least one salt, and by shearing the mixture obtained.
公开/授权文献
- US5374897A Balanced, high-speed differential input stage for Op-amps 公开/授权日:1994-12-20
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