Invention Grant
- Patent Title: Inverse emulsion compositions
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Application No.: US16386602Application Date: 2019-04-17
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Publication No.: US11753580B2Publication Date: 2023-09-12
- Inventor: Logan Jackson , Thomas J. Lynch , Ronald Robinson , Frances Fournier , Hong Yang , Sukhjit Aujla , Do Hoon Kim , Dennis Arun Alexis
- Applicant: Kemira OYJ
- Applicant Address: FI Helsinki
- Assignee: KEMIRA OYJ
- Current Assignee: KEMIRA OYJ
- Current Assignee Address: FI Helsinki
- Agency: Eversheds Sutherland (US) LLP
- Main IPC: C09K8/36
- IPC: C09K8/36 ; C09K8/584 ; C08F20/56 ; C08F220/56 ; C09K8/588 ; C09K8/92

Abstract:
An inverse emulsion composition comprising: one or more hydrophobic liquids having a boiling point at least about 100° C.; up to about 38% by weight of one or more acrylamide-(co)polymers; one or more emulsifier surfactants; and one or more inverting surfactants; wherein, when the composition is inverted in an aqueous solution, it provides an inverted solution having a filter ratio using a 1.2 micron filter (FR1.2) of about 1.5 or less.
Public/Granted literature
- US20190241793A1 INVERSE EMULSION COMPOSITIONS Public/Granted day:2019-08-08
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