Hydrogen fluoride compositions

Details Hydrogen fluoride compositions Hydrogen fluoride compositions

2011-03-29

2011-03-29

Bernshteyn, Michael M (Department: 1762)

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

C423S483000, C423S488000, C524S438000, C524S462000, C516S105000, C516S108000

Reexamination Certificate

active

07914761

ABSTRACT:
The present invention provides compositions that are intimate mixtures of hydrogen fluoride and a polyacrylate-polyacrylamide cross-linked copolymer. The compositions of the invention are less hazardous and, therefore, more conveniently stored, transported, and handled in comparison to pure hydrogen fluoride. Further, the hydrogen fluoride may be readily recovered from the compositions of the invention for use.

REFERENCES:
patent: 1470772 (1923-10-01), Simon et al.
patent: 3635836 (1972-01-01), Mullen
patent: 4383868 (1983-05-01), Braley
patent: 6177058 (2001-01-01), Singh et al.
Material Data Sheet- Degussa, Jun. 6, 2007.

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