Oligomeric epoxy pre-polymers comprising isosorbide units
US12398235B2 · kind B2 · utility
0Cited by
3References
14Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 3, 2021 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Jun 15, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D493/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to an epoxy pre-polymer comprising isosorbide units, characterized in that it comprises less than 1% by weight of isosorbide diglycidyl ether relative to the total weight of the epoxy pre-polymer. The invention also relates to a method for producing such an epoxy pre-polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.