Biodegradable natural films based on co-products derived from industrial-scale seed-treatment processes
US9345669B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Nov 28, 2011 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Mar 28, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W90/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A biodegradable film (4) characterized in that it is prepared from at least one co-product derived from a soya bean-processing process aimed at obtaining soya-based final products by ultrafiltration, said co-product being selected from the group comprising the okara and the permeate. Such a film can be used as a food or pharmaceutical film, in particular for preparing a product for topical administration (1) of a pharmaceutical active ingredient, such as oestrogens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.