High purity HFO-E-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and methods for producing same
US12116332B2 · kind B2 · utility
0Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2022 |
| Grant date | Oct 15, 2024 |
| Priority date | — |
| Expiry date | Nov 29, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/395
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides high purity E-1,3,3,3-tetrafluoropropene (HFO-1234ze). More specifically, the present disclosure provides E-1,3,3,3-tetrafluoropropene (HFO-234ze) in at least 99.99% purity, containing less than 3 ppm 1,1,3,3,3-pentafluoropropene (HFO-1225zc). The present disclosure further provides a method of making high purity E-1,3,3,3-tetrafluoropropene (HFO-1234ze).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.