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