Programmed degradation of polymers derived from biomass
US9738753B2 · kind B2 · utility
2Cited by
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12Claims
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Key dates
| Filing date | Oct 15, 2015 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Oct 15, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/68
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Photodegradable polymers derived from biomass are provided, together with methods of making and methods of using the polymers. The photodegradable polymers can be derived from at least a first monomeric unit and a second monomeric unit and an optional third monomeric unit. The first monomeric unit is a dicarboxylic acid and includes a furan group and the second monomeric unit includes a nitrobenzyl group. Methods of recycling the polymers including irradiating the polymers to yield recycled monomers and oligomers are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.