Patents for C10G 73 - Recovery or refining of mineral waxes, e.g. montan wax (1,976)
08/2002
08/28/2002CN1089794C Process for producing lubricating base oils
08/14/2002CN1364188A Process for preparing a lubricating base oil
08/14/2002CN1364099A Method for impregnation of molecular sieve-binder extrudates
08/13/2002US6431253 Method of recovering and refining filler from a lost wax composition
08/08/2002WO2002060815A1 Microporous crystalline material (itq-19) with laminar characteristics, preparation method and use thereof as a catalyst in the catalytic conversion of organic compounds
08/08/2002WO2001081503A3 Fischer-tropsch wax and hydrocarbon mixtures for transport
08/08/2002CA2436430A1 Microporous crystalline material (itq-19) with laminar characteristics, preparation method and use thereof as a catalyst in the catalytic conversion of organic compounds
08/07/2002CN1362496A Petroleum ointment deoiling process to prepare wax product
08/07/2002CN1362495A Catalytic dewaxing catalyst and its prepn.
08/07/2002CN1088619C Supported Ni-Cu hydroconversion catalyst
08/01/2002WO2002059234A1 Integrated lubricant upgrading process
07/2002
07/31/2002EP0760844B1 Lubricating oil dewaxing with membrane separation of cold solvent
07/31/2002CN1361813A Selective extraction using mixed solvent system
07/25/2002WO2002057394A1 Solvent extraction refining of petroleum products
07/25/2002US20020096451 Solvent extraction refining of petroleum products
07/24/2002CN1088088C Process for hydrorefining lubricating oil
07/17/2002EP1222239A1 Hydroconversion process for making lubricating oil basestocks
07/16/2002US6420618 Reaction of hydrogen and carbonyl in fischer-tropsch hydrocarbon synthesis catalyst to form waxy paraffins
07/10/2002CN1087335C Method for separating aromatic asphlat, aromatic oils and enriched saturated hydrocarbon wax oil from catalytic heavy oil
07/09/2002US6416655 Concentrating alkylated mono-aromatics in lubricating oil feedstock useful for sulfonation; furfural, phenol, or n-methyl-2-pyrrolidone and sufficient water for raffinate having vi between 86 and 97; hydrofining, solvent dewaxing
07/03/2002CN1087024C Process for converting wax-contg. hydrocarbon feedstocks into high-grade middle distillate products
07/02/2002US6413480 Crystallization and ultrasonification; nonmelting; not limited to low pour point oils; high yield; petroleum processing of lubricant base oil and wax
06/2002
06/20/2002WO2002048291A1 Raffinate hydroconversion process
06/20/2002WO2002048283A1 Hydroconversion process for making lubricating oil basestocks
06/20/2002CA2430235A1 Hydroconversion process for making lubricating oil basestocks
06/20/2002CA2429500A1 Raffinate hydroconversion process
06/13/2002WO2002046333A2 Process for preparing lubes with high viscosity index values
06/12/2002EP1212390A1 Nouvelle huile de base hydrocarbonee pour lubrifiants a indice de viscosite tres eleve
06/12/2002EP1212388A1 Raffinate hydroconversion process
06/06/2002US20020066391 Converting paraffin in slop oil into an amorphous form of wax at room temperature, allowing it to be dissolved in crude oil
06/05/2002CN1352234A Waxy-temperature sensitive medium for temperature control switch
06/05/2002CN1352231A Hydrogenating and pour point depressing catalyst and its preparing method
05/2002
05/22/2002EP1206317A1 Zeolite bound catalyst containing at least three different zeolites; use for hydrocarbon conversion
05/22/2002EP0841984B1 Supported ni-cu hydroconversion catalyst
05/22/2002CN1085242C Process and apparatus for obtaining paraffins or paraafin fractions
05/16/2002WO2002038703A1 Manufacture of lubricants from fischer-tropsch syncrude
05/16/2002WO2002038702A1 Integrated lubricant upgrading process
05/16/2002CA2426054A1 Integrated lubricant upgrading process
05/15/2002EP1204723A1 Process for preparing a lubricating base oil
05/15/2002EP1204721A1 Selective extraction using mixed solvent system
05/15/2002EP1204478A1 Method for impregnation of molecular sieve-binder extrudates
05/01/2002CN1083875C Device and method for regenerating fuel oil from waste oil
04/2002
04/17/2002CN1344783A Solvent dewaxing and de-oiling process by using filter aid
04/11/2002US20020040863 Hyrotreatment; solvent extraction
04/04/2002US20020038777 Solvent extraction; hydrorefining
04/04/2002US20020038695 Method of recovering and refining filler from a lost wax composition
03/2002
03/05/2002US6352098 Method of recovering and refining filler from a lost wax composition
02/2002
02/13/2002CN1335373A Industrial production technology of dewaxing fluidized bed solvent
02/13/2002CN1335372A Production process of high-smelting point petroleum wax
01/2002
01/29/2002CA2161707C Catalyst combination for improved wax isomerization
01/23/2002CN1332700A Acid oxide with micro and mesoporous characteristics: ITQ-36
01/09/2002CN1330699A Catalytic dewaxing process
12/2001
12/04/2001US6325918 Raffinate hydroconversion process
11/2001
11/28/2001EP1157081A1 Staged upflow and downflow hydroprocessing with noncatalytic removal of upflow stage vapor impurities
11/27/2001US6322692 Hydroconversion process for making lubricating oil basestocks
11/27/2001US6322621 Treating the crystalline wax to reduce the surface tension of crystalline wax, converting it to an amorphous form of wax, by treating with surface active agent; dispersing the amorphous wax in a diluent
11/13/2001US6315891 Production of lubricant base oils
11/01/2001WO2001081504A2 Fischer-tropsch wax and crude oil mixtures having a high wax content
11/01/2001WO2001081503A2 Fischer-tropsch wax and hydrocarbon mixtures for transport
10/2001
10/31/2001EP1149142A1 Staged upflow hydroprocessing with noncatalytic impurity removal from the first stage vapor effluent
10/24/2001CN2455720Y Chlorinated paraffin producing apparatus with external circulation heat exchanger
10/17/2001EP1146015A1 Acid oxide with micro and mesoporous characteristics: itq-36
10/11/2001WO2001074971A2 Process for adjusting the hardness of fischer-tropsch wax by blending
10/11/2001WO2001074969A2 Process for softening fischer-tropsch wax with mild hydrotreating
10/04/2001EP1137741A1 Catalytic dewaxing process
10/04/2001EP1137740A1 Catalytic dewaxing process
09/2001
09/27/2001WO2001070654A1 Method of separation of hydrocarbon oils from a waxy feedstock and separation system for implementation of said method
09/25/2001US6294082 Process for solvent extraction of hydrocarbons providing an increased yield of raffinate
09/25/2001US6294077 Amplification of viscosity index of dewaxed lube oil; expose hydrotreated hydrocarbon oil to zeolite catalyst, recover preferential product
09/25/2001US6294076 Fischer-Tropsch wax and hydrocarbon mixtures for transport (law938)
09/11/2001US6287454 Catalytic dewaxing process for producing lubricating oils
08/2001
08/09/2001WO2001057159A1 Production of high viscosity lubricating oil stock with improved zsm-5 catalyst
08/09/2001WO2001057158A1 Quenching dewaxing reactor with heavy dewaxate recycle
07/2001
07/31/2001US6268401 Fischer-tropsch wax and crude oil mixtures having a high wax content
07/26/2001DE10002560A1 Production of wax pellets comprises passing molten wax through perforated plate located at bottom of coolant-containing column
07/11/2001EP1114124A1 Premium synthetic lubricant base stock
06/2001
06/27/2001CN1300815A Single-tube (or multi-tube) heat exchanger of fluidized bed for dewaxing solvent of lubricating oil
06/27/2001CN1067711C Preparation of fundamental oil of lubricant oil
06/21/2001WO2001044109A1 Zeolite ssz-50
06/14/2001WO2001042395A1 Process for solvent extraction of hydrocarbons providing an increased yield of raffinate
06/14/2001CA2392746A1 Process for solvent extraction of hydrocarbons providing an increased yield of raffinate
06/13/2001EP0833878B1 Method for preparing lubricating oils
06/12/2001US6245709 Amorphous silica-alumina catalyst support; isomerization of paraffin waxes
04/2001
04/25/2001CN1064990C Paraffin catalytic hydrogenation refining process
04/18/2001CN1064701C Method for refining petroleum wax by using compound adsorption agent
04/11/2001CN1064390C Double solvant extraction for inferior paraffin base oil
04/04/2001CN1289823A Process for hydrorefining lubricating oil
04/04/2001CN1064073C Multipurpose emulsifying wax and its prepn. method
03/2001
03/21/2001EP1084776A1 Method of recovering and refining filler from a lost wax composition
03/15/2001WO2001018156A1 Novel hydrocarbon base oil for lubricants with very high viscosity index
03/15/2001CA2382893A1 Novel hydrocarbon base oil for lubricants with very high viscosity index
02/2001
02/28/2001CN1062586C Continuous chlorinated-paraffin producing apparatus
02/28/2001CN1062585C Method for producing lubricating oil base oil and wax for food
02/21/2001CN1284620A Method for conveying naphtha in crude oil pipeline
02/14/2001EP1076201A1 Method for transporting naptha in a crude oil pipe line
02/07/2001CN1061679C Catalytic dewaxing catalyst for lubricating oil
02/01/2001WO2001007538A1 Process for preparing a lubricating base oil
02/01/2001WO2001007537A1 Selective extraction using mixed solvent system
02/01/2001WO2001007158A1 Method for impregnation of molecular sieve-binder extrudates
02/01/2001CA2379920A1 Method for impregnation of molecular sieve-binder extrudates
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