Method for preparing polythiols
US11999682B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 6, 2018 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Feb 6, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided is a process for preparing polythiols by preparing a sulfhydration reaction medium, simultaneously carrying out radical sulfhydration reaction of at least one polyene and acid-catalyzed sulfhydration reaction of the polyene and recovering a mixture including at least two polythiols. Also provided is a mixture of polythiols obtained from the process described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.