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OXY Occidental Petroleum

APP
Utility
Method for Making 1,1,3,3-TETRACHLOROPROPENE
16 Dec 21
A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane, where said step of dehydrochlorinating 1,1,1,3,3-pentachloropropane takes place in the presence of an oxidizing agent and in the presence of a Lewis acid, and where the oxidizing agent is chlorine and the Lewis acid is ferric chloride.
Rodney L. KLAUSMEYER, Darrell G. HOLLIS, Keith S. KRAMER, John L. DAWKINS, Derrek Rae BURROWS
Filed: 27 Aug 21
APP
Utility
Process for the Production of Chlorinated Hydrocarbons
18 Nov 21
A process of the type for producing 1,1,1,2,3-pentachloropropane by introducing 1,1,1,3-tetrachloropropane, chlorine, and Lewis acid catalyst, optionally in the presence of carbon tetrachloride, the improvement comprising introducing the Lewis acid as a slurry within a chlorinated hydrocarbon.
John L. DAWKINS, Darrell HOLLIS, Keith S. KRAMER, Brian CALDERWOOD, Michael A. GARMON
Filed: 24 Jul 17
GRANT
Utility
Method for making 1,1,3,3-tetrachloropropene
31 Aug 21
A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
Rodney L. Klausmeyer, Darrell G. Hollis, Keith S. Kramer, John L. Dawkins, Derrek Rae Burrows
Filed: 17 Feb 20
APP
Utility
Catalyst and Process for Oxychlorination of Ethylene to Dichloroethane
5 Aug 21
In an oxychlorination process of the type where ethylene is converted to 1,2-dichloroethane in the presence of a supported copper catalyst, the improvement comprising: the use of a supported catalyst prepared by (i) impregnating, within a first step, an alumina support with a first aqueous solution including copper, an alkaline earth metal, and an alkali metal to thereby form a first catalyst component; and (ii) impregnating, within a subsequent step, the first catalyst component with a second aqueous solution including copper and alkaline earth metal, where the second aqueous solution is substantially devoid of alkali metal, to thereby form the supported catalyst.
Keith KRAMER
Filed: 19 Apr 21
APP
Utility
Photochlorination of Chloroform to Carbon Tetrachloride
14 Jan 21
A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.
Robert L. ZELLER, Darrell HOLLIS, Keith S. KRAMER, Brian CALDERWOOD, Rodney L. KLAUSMEYER
Filed: 28 Sep 20
GRANT
Utility
Chloralkali process
23 Nov 20
A method of the type where a brine solution is converted to an alkali metal hydroxide solution within a diaphragm cell, and the resulting cell liquor from the diaphragm cell is introduced to one or more fuel cells for the conversion of the alkali metal hydroxide to form electricity, the improvement comprising regulating the conversion of alkali metal hydroxide within the fuel cell to a conversion of less than 90%, and then subsequently concentrating the alkali metal hydroxide concentration from the anolyte stream of the fuel cell.
Robert L. Zeller, Clifton T. Gonce
Filed: 5 Jun 17
GRANT
Utility
Methods of making chlorinated hydrocarbons
28 Sep 20
Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed.
Richard L. Wilson, Rodney L. Klausmeyer, John Lee Dawkins, Daniel D. Rohrback, James S. Strathe, Lloyd B. Branam
Filed: 4 Dec 19
GRANT
Utility
Methods for producing halogenated propanes
28 Sep 20
A process of the type for producing chlorinated propanes by reacting carbon tetrachloride with ethylene within a tank reactor that includes a liquid reaction mixture and a headspace above the reaction mixture wherein ethylene gas diffuses from the liquid reaction mixture into the headspace while agitating the reaction mixture, the improvement comprising transferring ethylene within the headspace back into the reaction mixture through a conduit within the mixing device that agitates the reaction mixture.
John L Dawkins, Darrell Hollis, Keith S. Kramer, Brian Calderwood
Filed: 23 Jul 17
GRANT
Utility
Photochlorination of chloroform to carbon tetrachloride
28 Sep 20
A method of producing carbon tetrachloride, the method comprising the step of reacting chlorine with chloroform in the presence of electromagnetic radiation within a reaction mixture that includes the chlorine, the chloroform, and carbon tetrachloride, where the concentration of chloroform is less than 5000 ppm by weight relative to the weight of the reaction mixture, where the reaction mixture includes at least stoichiometric levels of chlorine relative to chloroform, where the electromagnetic radiation creates chloride radicals, and where the reaction mixture is well mixed.
Robert L. Zeller, Darrell Hollis, Keith S. Kramer, Brian Calderwood, Rodney L. Klausmeyer
Filed: 29 Jun 17
APP
Utility
Method for Making 1,1,3,3-TETRACHLOROPROPENE
10 Jun 20
A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
Rodney L. KLAUSMEYER, Darrell G. HOLLIS, Keith S. KRAMER, John L. DAWKINS, Derrek Rae BURROWS
Filed: 16 Feb 20
APP
Utility
Methods of Making Chlorinated Hydrocarbons
8 Apr 20
Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed.
Richard L. WILSON, Rodney L. KLAUSMEYER, John Lee DAWKINS, Daniel D. ROHRBACK, James S. STRATHE, Lloyd B. BRANAM
Filed: 4 Dec 19
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