N,N-dimethylaminoethyl acrylate composition stabilized in respect of discoloring effects
US10479757B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Apr 24, 2017 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Apr 24, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/175
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to the use of 2,6,-di-tert-butyl-4-methylphenol at a moiety of 25 to 200 ppm for stabilizing N,N-dimethylaminoethyl acrylate in respect of discoloring effects. The invention also relates to an N,N-dimethylaminoethyl acrylate stabilized in said manner and to a method for producing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.