Solid composition comprising free and encapsulated fragrances
US10836985B2 · kind B2 · utility
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4References
24Claims
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Key dates
| Filing date | Aug 8, 2017 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Sep 28, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/505
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A solid composition contains (a) from 30 to 65% by weight of a polyethylene glycol, (b) from 0 to 40% by weight of a C8-C22-alkyl polyalkoxylate including at least 40 alkoxylate units, (c) from 0.5 to 15% by weight of free fragrance, (d) from 0.1 to 15% by weight of encapsulated fragrance, and (e) from 1 to 35% by weight of an alkaline metal salt, alkaline earth metal salt or salt of an inorganic or C1-C6-alkyl organic acid, or mixture thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.