Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Patent
1994-01-18
1996-04-16
Cintins, Ivars
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Transparent
210266, 210282, B01D 2410
Patent
active
055079415
ABSTRACT:
A method of removing olefinic impurity, such as perfluoroisobutylene, from fluoroperhalocarbon liquid, such as perfluorinated liquid, comprising the step of contacting the fluoroperhalocarbon liquid with a body of particles comprising particles selected from the group consisting of alumina, alkali metal oxide, alkali metal hydroxide, alkaline earth oxide, alkaline earth hydroxide, silicon oxide, tin oxide, zinc oxide, alkaline earth basic carbonate, and alkaline earth basic phosphate, transition metal oxide particles and mixtures thereof.
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Behr Frederick E.
Fletcher Robert B.
Hagen Donald F.
Pothapragada Venkateswarlu
Cintins Ivars
Griswold Gary L.
Kirn Walter N.
Maki Eloise J.
Minnesota Mining and Manufacturing Company
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