Phosphorus-containing halogenated unsaturated polyester compositions
US3997509A · kind A · utility
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9References
12Claims
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Assignee
Inventor
Key dates
| Filing date | Dec 11, 1974 |
| Grant date | Dec 14, 1976 |
| Priority date | — |
| Expiry date | Dec 11, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/918
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Phosphorus-containing halogenated unsaturated polyester compositions are prepared by heat treating halogenated unsaturated polyesters derived from at least one epihalohydrin and maleic anhydride. The heat treatment is carried out in the presence of an organic phosphite at a temperature of between 50.degree. and 200.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.