发明授权
- 专利标题： Fast dissolving hydroxyalkyl guar derivatives
- 专利标题（中）： 快速溶解羟烷基瓜尔胶衍生物
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申请号： US11573177申请日： 2005-07-29
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公开(公告)号： US08017560B2公开(公告)日： 2011-09-13
- 发明人: Ugo Pfeiffer , Morano Gatto , Mauro Tenconi , Laura Vigano , Andrea Balestrini , Giuseppe Li Bassi
- 申请人： Ugo Pfeiffer , Morano Gatto , Mauro Tenconi , Laura Vigano , Andrea Balestrini , Giuseppe Li Bassi
- 申请人地址： IT Albizzate
- 专利权人： Lamberti SpA
- 当前专利权人： Lamberti SpA
- 当前专利权人地址： IT Albizzate
- 代理机构： Mossman, Kumar & Tyler, PC
- 优先权： ITVA2004A0031 20040805
- 国际申请： PCT/EP2005/053714 WO 20050729
- 国际公布： WO2006/013190 WO 20060209
- 主分类号： C09K8/588
- IPC分类号： C09K8/588 ; C09K8/90
摘要：
The present invention relates to hydrophobically modified hydroxyalkyl guar derivatives which dissolve rapidly in water, having a hydroxyalkyl molar substitution between 0.2 and 2.5 and containing hydrophobic groups comprising C10-C32 alkyl chains, to the procedure for their preparation and to their use in the formulation of well fluids.
公开/授权文献
- US20070213230A1 Fast Dissolving Hydroxyalkyl Guar Derivatives 公开/授权日：2007-09-13
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