Patent · US Active

N,N,N′,N′-tetradodecyl-substituted diphenyl ether sulfonate anionic Gemini surfactant and synthesis method thereof

US11629283B2 · kind B2 · utility

0Cited by

4References

1Claims

0Family size

Assignee

PetroChina Company Limited · CN

Inventors

Xiangfei Geng · Beijing, CN
Bin Ding · Shandong, CN
Jianhui Luo · Beijing, CN
Bo Huang · Beijing, CN
Jianyong Xie · Beijing, CN
Pingmei Wang · Beijing, CN
Yang Gao · Hangzhou City, CN
Baoliang Peng · Beijing, CN

Key dates

Filing date	Nov 22, 2019
Grant date	Apr 18, 2023
Priority date	—
Expiry date	Aug 19, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/06
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention discloses a N,N,N′,N′-tetradodecyl-substituted diphenyl ether sulfonate anionic Gemini surfactant and the synthesis method thereof. It has a structural formula of:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.