Bromine-containing 1,2-bis(phenyl)difluoromethanes and method of imparting flame retardancy to flammable materials
US6348633B1 · kind B1 · utility
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25Claims
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Key dates
| Filing date | Jul 2, 2001 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Jul 2, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C25/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Bromine containing 1,2-bis(phenyl)difluoromethane derivatives, a method for their preparation and their use in flame retardant compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.