Addition and condensation polymers prepared from halogenated reactants
US11525026B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Sep 25, 2018 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Dec 11, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J175/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymers containing halogen functionality are prepared by the addition or condensation polymerization of at least one halogenated reactant containing at least two active hydrogen-containing functional groups per molecule and at least one halogenated heteroalkyl or halogenated heteroalkenyl group per molecule and at least one co-reactant containing at least two functional groups reactive with the active hydrogen groups of the at least one halogenated reactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.