OCCIDENTAL CHEMICAL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2898
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF1056
 
 
 
B01D SEPARATION 5122
 
 
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 388
 
 
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 353
 
 
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 312
 
 
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 344
 
 
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3115
 
 
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 325
 
 
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 230

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0376,094 METHODS FOR RECOVERING CHLORINATED HYDROCARBONSFeb 12, 14Dec 31, 15[C07C, B01D]
2015/0353,451 METHODS OF MAKING CHLORINATED HYDROCARBONSAug 17, 15Dec 10, 15[C07C]
2015/0105,594 STABILIZATION OF CHLOROPROPENESDec 16, 14Apr 16, 15[C07C, B65D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,139,495 Methods of making chlorinated hydrocarbonsNov 26, 14Sep 22, 15[C07C]
9,067,858 Methods for recovering 1,1,1,2,3-pentachloropropaneMar 14, 13Jun 30, 15[C07C]
8,912,372 Methods of making chlorinated hydrocarbonsNov 15, 13Dec 16, 14[C07C]
8,614,363 Methods of making chlorinated hydrocarbonsAug 17, 12Dec 24, 13[C07C]
8,487,146 Methods of making chlorinated hydrocarbonsOct 13, 11Jul 16, 13[C07C]
8,115,038 Methods of making chlorinated hydrocarbonsDec 17, 08Feb 14, 12[C07C]
7,112,709 Method for reusing heavy end by-products in the manufacture of polychlorinated alkanesSep 09, 03Sep 26, 06[C07C]
6,720,466 1,1,1,3,3-pentachloropropane process purge stream concentration using a secondary refluxed evaporator and secondary product recoveryApr 17, 02Apr 13, 04[C07C]
6,627,085 Treatment of brine to remove metals and silicon therefromJun 25, 01Sep 30, 03[C02F]
6,617,479 Method for producing isopropyl chloride via liquid-phase hydrochlorination of propyleneAug 19, 02Sep 09, 03[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0061,741 Method for treating reverse osmosis membranes with chlorine dioxideABANApr 23, 04Mar 24, 05[B01D]
2005/0049,443 Method for producing 1,1,1,3-tetrachloropropane and other haloalkanes using a copper catalystABANAug 28, 03Mar 03, 05[C07C]
2004/0225,166 Method for producing 1,1,1,3-tetrachloropropane and other haloalkanes with iron catalystABANAug 26, 03Nov 11, 04[C07C]
2004/0204,619 Method for producing isopropyl chloride for use as a foam-blowing agentABANMar 25, 04Oct 14, 04[C07C]
6,685,904 Process for making phosphorus halides and oxyhalidesExpiredApr 16, 98Feb 03, 04[C01B]
6,646,020 Isopropyl chloride with hydrofluorocarbon or hydrofluoroether as foam blowing agentsExpiredFeb 14, 02Nov 11, 03[C08G]
6,638,354 Precipitated silicas, silica gels with and free of deposited carbon from caustic biomass ash solutions and processesExpiredJan 30, 02Oct 28, 03[C01B]
6,608,115 Polyvinyl chloride resins and method of preparation and use in the production of whitened polyvinyl chloride foamExpiredJan 21, 03Aug 19, 03[C08J]
6,605,649 Method of production of whitened polyvinyl chloride foamExpiredJan 21, 03Aug 12, 03[C08J]
2003/0149,316 Separation of heavy ends from streams of halogenated alkanesABANDec 03, 02Aug 07, 03[C07C]
6,602,442 Composition for generating chlorine dioxideExpiredOct 12, 00Aug 05, 03[A01N, A62D, C01B, A61K]
6,506,854 Inhibiting scale in vinyl monomer polymerizationExpiredMay 22, 01Jan 14, 03[C08G, C08F]
6,500,873 Polyvinyl chloride resins and method of preparation and use in the production of whitened polyvinyl chloride foamExpiredSep 06, 01Dec 31, 02[C08J]
6,500,995 Water-enhanced production of 1,1,1,3,3,-pentachloropropaneExpiredJun 14, 01Dec 31, 02[C07C]
6,462,153 Method of polymerizing vinyl chloride monomerExpiredApr 03, 96Oct 08, 02[C08F]
6,451,253 High concentration chlorine dioxide gel compositionExpiredApr 14, 99Sep 17, 02[A61L]
6,440,314 Method for destroying chlorite in solutionExpiredJan 03, 01Aug 27, 02[C02F]
6,414,076 Method of predetermining the gloss of PVC compoundsExpiredJul 17, 00Jul 02, 02[C08L]
2002/0055,654 Method for producing benzyl derivitives of 2-butene-1,4 diolsABANSep 10, 01May 09, 02[C07C]
2001/0036,983 Inhibiting discoloration of halogen-containing polymers after radiationABANJun 11, 01Nov 01, 01[C08K]

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