Process for the manufacture of oxidized starch, oxidized starch and its use
US8936820B2 · kind B2 · utility
1Cited by
12References
13Claims
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Key dates
| Filing date | Jun 2, 2010 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Jun 2, 2030 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/54
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Batch process for the manufacture of oxidized starch by contacting an aqueous medium comprising already oxidized starch with native starch and with at least one oxidizing agent selected from a peroxide compound or from an alkali metal hypochlorite, and by reacting them at a temperature below the gelatinization temperature of the native starch and of the oxidized starch, the reaction being conducted in the presence of a homogeneous manganese-based complex coordination catalyst when the oxidizing agent is a peroxide compound. The resulting oxidized starch can be used as an additive for the paper industry or for the food industry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.