Dispersion composition containing carboxymethyl cellulose
US12031016B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | May 17, 2019 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | May 19, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/54
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This dispersion composition contains a water-based medium and a carboxymethyl cellulose having a carboxymethyl substitution degree of 0.20 or more and a cellulose-I crystallinity index of 50% or more, a water-based medium is easily dispersed even by low mixing power, and has a high viscosity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.