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Use of hexagonal chromium (111) oxide hydroxide catalyst in fluorination process
Patent #: 3978145
Issued on: 08/31/1976
Inventor: Knaak
γ-CrOOH fluorination catalysts
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Issued on: 11/16/1976
Inventor: Knaak
Production of fluorocarbons employing two catalyst zones
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Manufacture of halogenated compounds
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Inventor: Bell
Manufacture of halogenated compounds
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Inventor: Potter
TaF5 and NbF5 as fluorination catalysts
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Inventor: Feiring
Process for the manufacture of 1,1,1,2-tetrafluoroethane
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Process for the preparation of hydrofluoroalkanes
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Process for producing hydrocarbon fluoride
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Gas-phase fluorination process
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Gas-phase fluorination process
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Issued on: 08/23/1988
Inventor: Manzer , et al.
Catalyst and process for 1,1,1,2-tetrafluoroethane by vapor phase reaction
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Issued on: 12/20/1988
Inventor: Sobolev
Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
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Issued on: 06/27/1989
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Liquid phase halogen exchange process for the manufacture of 1,1,1,2-tetrafluoroethane
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Process for preparing a fluorination catalyst and the catalyst prepared by the process
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Issued on: 08/29/1989
Inventor: Sobolev
Process for purifying 1,1,1,2-tetrafluoroethane
Patent #: 4906796
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Inventor: Yates
Gas-phase fluorination process
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Inventor: Manzer
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November 10, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
