Use of partial acetone conversion for capacity increase and quality/yield improvement in the bisphenol-A reaction
US5315042A · kind A · utility
27Cited by
7References
26Claims
0Family size
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Key dates
| Filing date | Mar 22, 1993 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Mar 22, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Product quality productivity of continuous bisphenol-A (BPA) are increased by increasing the flow rate of reactants through the reactor and decreasing % acetone conversion in the presence of an ion exchange resin catalyst and an optional free mercaptan promoter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.