Aromatic polyketones and preparation thereof
First Claim
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1. A PROCESS FOR PREPARING ESSENTIALLY LINEAR, SUBSTANTIALLY AROMATIC POLYKETONES WHICH COMPRISES REACTING AN INERT ORGANIC SOLVENT UNDER ANHYDROUS CONDITIONS AT LEAST ONE AROMATIC COMPOUND FROM THE GROUP CONSISTING OF ARYL ETHERS AND POLYNUCLEAR AROMATIC HYDROCARBONS, WITH A DIACID HALIDE FROM THE GROUPS ARE SEPARATED BY AT LEAST ONE CARBON DICARBONYL HALIDES IN WHICH THE POINTS OF ATTACHMENT OF THE CARBONYL GROUPS ARE SEPARATED BY AT LEAST ONE CARBON ATOM, AND ALKYLENE DIACID HALIDES, IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST, AND AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 50* TO ABOUT 125*C.
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1 Claim
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1. A PROCESS FOR PREPARING ESSENTIALLY LINEAR, SUBSTANTIALLY AROMATIC POLYKETONES WHICH COMPRISES REACTING AN INERT ORGANIC SOLVENT UNDER ANHYDROUS CONDITIONS AT LEAST ONE AROMATIC COMPOUND FROM THE GROUP CONSISTING OF ARYL ETHERS AND POLYNUCLEAR AROMATIC HYDROCARBONS, WITH A DIACID HALIDE FROM THE GROUPS ARE SEPARATED BY AT LEAST ONE CARBON DICARBONYL HALIDES IN WHICH THE POINTS OF ATTACHMENT OF THE CARBONYL GROUPS ARE SEPARATED BY AT LEAST ONE CARBON ATOM, AND ALKYLENE DIACID HALIDES, IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST, AND AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 50* TO ABOUT 125*C.
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Current AssigneeBonner Jr Willard Hallam
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Original AssigneeBonner Jr Willard Hallam
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InventorsBONNER JR WILLARD HALLAM
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Application NumberUS03/848,913Time in Patent Office1,120 DaysField of SearchUS Class Current528/180CPC Class CodesC08G 61/00 Macromolecular compounds ob...
