Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Reexamination Certificate
2006-05-30
2006-05-30
Price, Elvis O. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
C570S171000, C570S172000, C570S175000, C570S178000
Reexamination Certificate
active
07053253
ABSTRACT:
Perfluoro-4-methyl-2-pentene containing the undesirable perfluoro-2-methyl-2-pentene may be purified by contacting the mixture with at least a stoichiometric equivalent of an aqueous inorganic base (relative to the perfluoro-2-methyl-2-pentene), in the presence of a polar solvent.
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Qiu Zai-Ming
Zhang Zhongxing
3M Innovative Properties Company
Kokko Kent S.
Price Elvis O.
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