Invention Grant
- Patent Title: Fast dissolving hydroxyalkyl guar derivatives
- Patent Title (中): 快速溶解羟烷基瓜尔胶衍生物
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Application No.: US11573177Application Date: 2005-07-29
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Publication No.: US08017560B2Publication Date: 2011-09-13
- Inventor: Ugo Pfeiffer , Morano Gatto , Mauro Tenconi , Laura Vigano , Andrea Balestrini , Giuseppe Li Bassi
- Applicant: Ugo Pfeiffer , Morano Gatto , Mauro Tenconi , Laura Vigano , Andrea Balestrini , Giuseppe Li Bassi
- Applicant Address: IT Albizzate
- Assignee: Lamberti SpA
- Current Assignee: Lamberti SpA
- Current Assignee Address: IT Albizzate
- Agency: Mossman, Kumar & Tyler, PC
- Priority: ITVA2004A0031 20040805
- International Application: PCT/EP2005/053714 WO 20050729
- International Announcement: WO2006/013190 WO 20060209
- Main IPC: C09K8/588
- IPC: C09K8/588 ; C09K8/90
Abstract:
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.
Public/Granted literature
- US20070213230A1 Fast Dissolving Hydroxyalkyl Guar Derivatives Public/Granted day:2007-09-13
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