Preparation of homopolymer and copolymers of (phosphonyl)aromatic diesters and acids
US8722846B2 · kind B2 · utility
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Key dates
| Filing date | Dec 8, 2011 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | May 21, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/6926
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The composition of a homopolymer of (phosphonyl) aromatic diester compound using a catalyst and a glycol is provided. Further, the composition of a copolymer of the (phosphonyl) aromatic diester compound using a catalyst, a glycol and a second diester is provided. These polymers find application as flame retardants during synthesis of various polymeric materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.