Patent ID: 11903380
Assignee: ARKEMA FRANCE
Field: Basic materials chemistry (Chemistry)
Classification: CPC A | IPC A

Claim 13:
14. A mixture of compounds of general formula R—(OCH2)n—OR′ with R, R′ being identical or different and chosen from methyl and/or ethyl for at least 90 mol % of the total R+R′, and the rest of R, R′ being identical or different alkyls chosen from among those having 3 to 8 carbons and representing less than 10 mol %, of the total R+R′, and provided that:
a1) when R=R′=methyl, the mixture comprises 3 compounds with n=3 to 5 or 2 compounds with n=3 to 4, and the weight of these a1) compounds is at least 95% of the total weight of the mixture and
a2) when R=R′=ethyl, the mixture comprises 3 compounds with n=2 to 4 or 2 compounds with n=2 to 3, and the weight of these a2) compounds is at least 95% of the total weight of the mixture
a3) when R=methyl and R′=ethyl, the mixture comprises 4 compounds with n=2 to 5 or 3 compounds with n=2 to 4, and the weight of these a3) compounds represents at least 95% of the total weight of the mixture.