Invention Grant
- Patent Title: Hydroxy polyesters and uses as biodegradable demulsifiers
- Patent Title (中): 羟基聚酯和用作可生物降解的破乳剂
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Application No.: US12035745Application Date: 2008-02-22
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Publication No.: US07884137B2Publication Date: 2011-02-08
- Inventor: Wei Wang
- Applicant: Wei Wang
- Applicant Address: US TX Houston
- Assignee: M-I L.L.C.
- Current Assignee: M-I L.L.C.
- Current Assignee Address: US TX Houston
- Main IPC: B01D17/05
- IPC: B01D17/05

Abstract:
Hydroxyl polyester compounds or compositions which are useful as oilfield demulsifiers are prepared through esterifying carboxylic compounds and epoxide compounds under controlled molar ratios. The hydroxyl polyesters are useful as biodegradable demulsifiers on oil productions.
Public/Granted literature
- US20080207780A1 HYDROXY POLYESTERS AND USES AS BIODEGRADABLE DEMULSIFIERS Public/Granted day:2008-08-28
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