Quaternary ammonium salts as thickening agents for aqueous systems
申请人:Subramanian Shankar
公开号:US20070167332A1
公开(公告)日:2007-07-19
This invention relates to the use of alkyl amido quaternary ammonium salts, and formulations thereof, as thickening agents in aqueous based fluids, especially those used in oil field applications. The quaternary ammonium salts of the present invention exhibit improved gelling characteristics.
MULTIVARIATE METAL-ORGANIC FRAMEWORKS FOR FINE-TUNING LIGHT EMISSION
申请人:UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
公开号:US20200398250A1
公开(公告)日:2020-12-24
Multivariate metal-organic framework compositions and methods of producing multivariate metal-organic frameworks. The metal-organic framework including at least one light-emitting linker in an amount sufficient for the composition to produce broadband emission spectra in high efficiencies.