Patents for C10G 75 - Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general (1,040) |
---|
05/03/2000 | EP0946679B1 Use of sarcosinates as asphaltene dispersants |
04/20/2000 | WO2000022068A1 Anti-coking coatings |
04/20/2000 | CA2314356A1 Anti-coking coatings for refractory alloys used in the petroleum field |
04/13/2000 | CA2345271A1 Process for treatment of petroleum acids with ammonia |
04/11/2000 | US6048904 Branched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oils |
04/05/2000 | EP0677034B1 Hydrodealkylation processes |
04/04/2000 | US6045723 Compositions and compounds to minimize hydrogen charging and hydrogen induced cracking of steels |
03/22/2000 | CN1247887A Coking inhibiting method for ethylene cracker |
02/08/2000 | US6022494 Contacting acid-containing corrosive crude oil with metal-containing compound selected from the group consisting of group ia and iia metal oxides, hydroxides and hydroxide hydrates in the presence of watereffective amount of |
02/02/2000 | EP0975420A1 Synergistic mixtures of alkyl phenol formaldehyde resins with oxalkylated amines as asphalt dispersing agents |
01/13/2000 | WO2000001785A1 Methods and compositions for inhibiting corrosion |
01/13/2000 | CA2336157A1 Methods and compositions for inhibiting corrosion |
12/29/1999 | CN1047787C Method for treating radiant tubes of fired heater in thermal cracking process |
12/08/1999 | EP0962436A1 Process for the conversion of hydrocarbons |
12/07/1999 | US5997723 Process for blending petroleum oils to avoid being nearly incompatible |
12/07/1999 | CA2174184C Absorption refrigeration system working fluid with corrosion inhibitor and method of manufacture |
12/02/1999 | WO1999061551A1 Antifoulant control process |
11/24/1999 | CN2350398Y Dirt removing means |
11/16/1999 | US5985940 Antifouling agents and reducing viscosity in quenching for ethylene plants and alkylphenol-formaldehyde polymers |
11/16/1999 | US5985179 Alkanemonothiol and alkanedithiol compounds for inhibiting the corrosion of metals in both the acid gas rich and lean portions of the acid gas removal unit, aqueous alkanolamine solution |
11/02/1999 | US5976359 Methods for reducing the concentration of amines in process and hydrocarbon fluids |
11/02/1999 | US5976202 Reaction products of polyolefins with vinyl esters and their use as fuel and lubricant additives |
10/12/1999 | US5965785 Inhibiting corrosion in systems of condensing hydrocarbons which contain water and chlorides by feeding aqueous blend of amines comprising 2-amino-1-methoxypropane, sec-butylamine, n-butylamine, dipropylamine and monoamylamine |
10/12/1999 | US5965011 Method for reducing deposition of cokes in heat-refining process of petroleum high-molecular hydrocarbons, and additive used in the method |
10/06/1999 | EP0946679A1 Use of sarcosinates as asphaltene dispersants |
09/07/1999 | US5948237 Use of sarcosinates as asphaltene-dispersing agents |
08/19/1999 | WO1999041328A1 Mitigating fouling and reducing viscosity |
08/19/1999 | CA2322047A1 Mitigating fouling and reducing viscosity |
08/18/1999 | EP0935644A1 Process for decreasing the acid content and corrosivity of crudes |
08/17/1999 | CA2152335C Method for treating the radiant tubes in a thermal cracking process |
08/04/1999 | EP0932746A2 Use of alkanesulphonic acids as asphaltene dispersants |
07/28/1999 | CN1224442A Fuel additives |
07/20/1999 | US5925233 Use of alkanesulfonic acids as asphaltene-dispersing agents |
06/15/1999 | US5911916 Against acid gas promoted corrosion, containing thiodialkanols |
06/08/1999 | US5910469 Processing petroleum hydrocarbons during their processing at high temperatures |
06/02/1999 | CN1218095A Coking and scaling inhibitor and preparation and use thereof |
05/26/1999 | CN1217373A Anti-scale agent for use in petroleum processing course |
05/26/1999 | CN1217372A Method for inhibiting coke generation of heating-furnace |
05/19/1999 | CN2319409Y Water power coke removing appts. of whole headframe coke tower |
04/21/1999 | EP0909299A1 Control of naphthenic acid corrosion with thiophosphorus compounds |
04/21/1999 | CN1043037C Hydrodealkylation process |
04/07/1999 | CN1213394A Method for fluidizing tars |
03/24/1999 | EP0902824A1 Fuel additives |
03/23/1999 | US5885487 Corrosion inhibitor for alkanolamine units |
03/09/1999 | US5879540 Solvent extraction, stripping, condensing, separating, ion exchanging, washing and recycling |
03/09/1999 | US5879534 Non-enolizable oxygenates as anti foulants in ethylene dichloride manufacture |
03/04/1999 | WO1999010448A1 Corrosion inhibitor for alkanolamine units |
03/04/1999 | WO1999010445A1 Corrosion inhibitor for alkanolamine units |
03/04/1999 | WO1999010444A1 Corrosion inhibitor for alkanolamine units |
03/04/1999 | CA2301115A1 Corrosion inhibitor for alkanolamine units |
03/04/1999 | CA2301114A1 Corrosion inhibitor for alkanolamine units |
03/03/1999 | EP0899318A2 Method for cleaning heavy hydrocarbon scale adhered to equipment and piping structure for cleaning |
02/10/1999 | EP0873381A4 Process for decreasing the corrosivity and acidity of petroleum crudes |
02/02/1999 | US5866743 Hydrodealkylation processes |
01/26/1999 | US5863416 Method to vapor-phase deliver heater antifoulants |
01/26/1999 | US5863415 Control of naphthenic acid corrosion with thiophosporus compounds |
01/12/1999 | US5858213 Monitoring for coke formation during hydrocarbon feed processing |
12/29/1998 | US5853620 Compositions and compounds to minimize hydrogen charging and hydrogen induced cracking of steels |
12/29/1998 | US5853619 Low toxic corrosion inhibitor |
12/22/1998 | US5851377 Process of using acylated nitrogen compound petrochemical antifoulants |
12/15/1998 | US5849969 Hydrodealkylation processes |
12/09/1998 | EP0882110A2 Method for fluidizing tars |
12/01/1998 | US5843373 Corrosion inhibitor for alkanolamine units |
12/01/1998 | US5843299 Corrosion inhibitor for alkanolamine units |
11/24/1998 | US5840178 Contacting feed with soluble metal alkoxide at temperature to decompose alkoxide and precipitate metal and coke precursors |
11/18/1998 | CN1199417A Process for decreasing acid content and corrosivity of crudes |
11/11/1998 | EP0877072A2 Hydrocarbon stream antifoulant method |
10/29/1998 | CA2235835A1 Hydrocarbon stream antifoulant method using bridged alkyl phenates |
10/28/1998 | EP0873381A1 Process for decreasing the corrosivity and acidity of petroleum crudes |
10/20/1998 | US5824829 Hydrocarbon viscosity inhibitor and inhibiting method |
10/13/1998 | US5821202 Reduction of fouling deposits during processing at elevated temperatures |
09/23/1998 | CN1193990A Process for decreasing the acid content and corrosivity of crudes |
09/17/1998 | WO1998040158A1 Synergistic mixtures of alkyl phenol formaldehyde resins with oxalkylated amines as asphalt dispersing agents |
09/17/1998 | DE19709797A1 Synergistische Mischungen von Alkylphenolformaldehydharzen mit oxalkylierten Aminen als Asphalten-Dispergatoren Synergistic mixtures of alkylphenol formaldehyde resins with alkoxylated amines as asphaltene dispersants |
09/15/1998 | US5807842 Hydrocarbon processing in equipment having increased halide stree-corrosion cracking resistance |
09/01/1998 | US5800738 Polyisobutylene |
08/06/1998 | WO1998033869A1 Methods for inhibiting high temperature corrosion |
07/21/1998 | US5783109 Dispersion of gums and iron sulfide in hydrocarbon streams with alkyl phenol-polyethylenepolyamine formaldehyde resins |
07/14/1998 | US5779881 Phosphonate/thiophosphonate coking inhibitors |
07/08/1998 | EP0852256A1 Phosphonate/thiophosphonate coking inhibitors |
07/02/1998 | WO1998028381A1 Corrosion inhibitor |
06/23/1998 | US5770041 Non-enolizable oxygenates as antifoulants |
06/03/1998 | CN1183452A Absorption refrigeration system working fluid with corrosion inhibitor and method of manfuacture |
05/22/1998 | WO1998016718A3 Use of alkanesulphonic acids as asphaltene dispersants |
04/23/1998 | WO1998016718A2 Use of alkanesulphonic acids as asphaltene dispersants |
04/23/1998 | WO1998016595A1 Use of sarcosinates as asphaltene dispersants |
04/23/1998 | CA2268821A1 Use of alkanesulphonic acids as asphaltene dispersants |
04/22/1998 | EP0837119A2 Method to vapor-phase deliver heater antifoulants |
04/18/1998 | CA2219011A1 Method to vapor-phase deliver heater antifoulants |
04/16/1998 | DE19642494A1 Verwendung von Sarkosinaten als Asphalten-Dispergatoren Use of a sarcosinate as asphaltene dispersants |
04/16/1998 | DE19642493A1 Verwendung von Alkansulfonsäuren als Asphalten-Dispergatoren Use of alkane sulfonic acids as asphaltene dispersants |
02/18/1998 | EP0824142A2 Inhibiting fouling deposits in alkaline scrubbers |
02/12/1998 | CA2212684A1 Caustic tower trap for acetaldehyde |
02/11/1998 | CN1172844A Method for reducing deposition of cokes in heat-refining process of petroleum high-molecular hydrocarbons, and additive used in method |
02/05/1998 | WO1997036970A3 Method for fluidizing tars |
02/03/1998 | US5714664 Feeding a mixture of amines to hydrocarbon condensing system which contains water and chlorides, to elevate the ph profile of condensed water above the range in which severe corrosion of internals can occur |
02/03/1998 | US5714055 Caustic tower trap for acetaldehyde |
01/14/1998 | EP0818524A1 Method and additive to increase yield in thermal conversion operations within petroleum plants |
01/07/1998 | EP0816475A2 Method for reducing deposition of cokes in heat refining process of petroleum high molecular hydrocarbons and additive used in the method |
12/04/1997 | WO1997045507A1 Fuel additives |