Irradiation of ispaghula
US7288225B2 · kind B2 · utility
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3References
7Claims
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Key dates
| Filing date | May 10, 2001 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Mar 18, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P1/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Ispaghula (material from the plant Plantago ovata, useful as an agent in relieving constipation, is subjected to treatment with -radiation at a dose of up to 13 kGy, and preferably in the range 5-10 kGy. As well as effecting sterilisation of the ispaghula, this dose of irradiation has been shown to offer surprising rheological advantages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.