Method for producing a non-porous composite material that is water-absorbent and lipid-absorbent for active liquid compositions
US10358532B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jan 20, 2016 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Jan 20, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2397/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The subject matter of the present invention is a method for producing a biodegradable, non-porous composite material made water-absorbent and/or lipid-absorbent, used for obtaining diversely shaped solid objects to be subsequently loaded with active liquid hydrophilic and/or lipophilic compositions comprising at least one active ingredient intended to be delivered into an environment in a controlled and continuous manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.