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