Epdxy resin production
US9469720B2 · kind B2 · utility
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16References
11Claims
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Key dates
| Filing date | Dec 6, 2012 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Mar 16, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process comprising: a) contacting a polyhydric phenol and an epihalohydrin in the presence of a catalyst under reaction conditions to form an organic feed comprising a bishalohydrin ether; b) contacting the organic feed and an aqueous feed comprising an inorganic hydroxide with a high shear mixer to produce a first mixed feed; c) contacting the first mixed feed with a phase separator to form a first organic product comprising an epoxy resin and a first aqueous product; and d) recovering the first organic product, is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.