Thiosulfate polymer compositions and articles
US9772552B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jan 20, 2014 |
| Grant date | Sep 26, 2017 |
| Priority date | — |
| Expiry date | Aug 4, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A thiosulfate polymer composition includes an electron-accepting photosensitizer component, either as a separate compound or as an attachment to the thiosulfate polymer. The thiosulfate polymer composition can be applied to various articles, or used to form a predetermined polymeric pattern after photothermal reaction to form crosslinked disulfide bonds, removing non-crosslinked polymer, and reaction with a disulfide-reactive material. Such thiosulfate polymer compositions can also be used to sequester metals in nanoparticulate form, and as a way for shaping human hair in hairdressing operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.