Invention Grant
- Patent Title: Method for purification of a biphenol tetraacid composition and a biphenol tetraacid composition
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Application No.: US17417960Application Date: 2020-01-30
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Publication No.: US11623908B2Publication Date: 2023-04-11
- Inventor: James Patrick Schulte, II , Juan Justino Rodriguez Ordonez
- Applicant: SHPP GLOBAL TECHNOLOGIES B.V.
- Applicant Address: NL Bergen op Zoom
- Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
- Current Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
- Current Assignee Address: NL Bergen op Zoom
- Agency: Cantor Colburn LLP
- Priority: EP19382065 20190131
- International Application: PCT/US2020/015777 WO 20200130
- International Announcement: WO2020/160201 WO 20200806
- Main IPC: C07C51/47
- IPC: C07C51/47 ; C07C63/331 ; C07C51/42
Abstract:
A method for purification of a biphenol tetraacid composition includes contacting the biphenol tetraacid composition with a solvent including a C1-6 alcohol to form a slurry and isolating the purified biphenol tetraacid from the slurry. The biphenol tetraacid composition includes a biphenol tetraacid and a biphenol. A purified biphenol tetraacid composition is also described.
Public/Granted literature
- US20220073445A1 METHOD FOR PURIFICATION OF A BIPHENOL TETRAACID COMPOSITION AND A BIPHENOL TETRAACID COMPOSITION Public/Granted day:2022-03-10
Information query
