C10G 73 - Recovery or refining of mineral waxes, e.g. montan wax

Patents for C10G 73 - Recovery or refining of mineral waxes, e.g. montan wax (1,976)
10/1995
10/26/1995	DE4416070A1 Wachs Wax
10/24/1995	US5460713 Distillation of a mixture of heavy gas oil, vacuum gas oil and slack wax
10/04/1995	CN1029925C Method for recoverying earth wax from earth wax argil residue
10/03/1995	US5454961 Substituted fullerenes as flow improvers
09/1995
09/21/1995	WO1995024964A1 Nickel-containing hydrogenation catalysts
09/20/1995	EP0672452A1 Nickel containing hydrogenation catalyst
09/20/1995	EP0458895B1 Isomerization of waxy lube oils and petroleum waxes using a silicoaluminophosphate molecular sieve catalyst
09/13/1995	EP0630290A4 Shape selective conversion catalyst.
09/05/1995	US5447620 In a first distillation zone, contact distillate with water to form two phases, decantation, and multistage distillation
07/1995
07/05/1995	CN1029200C Process for treating mixture containing dewaxing oil dewaxing
05/1995
05/17/1995	CN2197362Y Unified apparatus for preparing paraffin emulsion
04/1995
04/26/1995	CN1101932A Method for making leather wax with colour-change effect, water-proof performance and wax sense
03/1995
03/29/1995	EP0645441A1 Method and apparatus for changing solvent composition in a solvent recovery system of a dewaxing apparatus
03/28/1995	US5401383 Gradient
03/28/1995	US5400618 Integrated batch auto-refrigerative dewaxing employing thermocompressors
03/22/1995	CN1100402A Toluene disproportionation process
03/16/1995	WO1995007327A1 Controlling chilling tower profile for dilution chilling dewaxing of 600n waxy oil
03/08/1995	CN1027809C Method for synthesising chloroparaffins
02/1995
02/21/1995	US5391286 Process for catalytic dewaxing of hydrocarbon feedstocks
01/1995
01/11/1995	EP0632796A1 Toluene disproportionation process
01/05/1995	WO1995000604A1 Lubricant hydrocraking process
12/1994
12/28/1994	EP0630290A1 Shape selective conversion catalyst
12/20/1994	CA1333575C Process for the preparation of a lubricating base oil
11/1994
11/30/1994	CN2183995Y Heating tube for wax recovery unit
11/10/1994	WO1994025543A1 Lubricating oil dewaxing using cold solvent recycle process
11/10/1994	WO1994025542A1 Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil
11/10/1994	CA2159324A1 Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil
11/07/1994	EP0632796A4 Toluene disproportionation process.
11/01/1994	US5360530 Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil and recycle of cold solvent to filter feed
10/1994
10/25/1994	US5358625 Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil
08/1994
08/24/1994	CN1091150A Method for production of lubricating oil base oil by hydrode-waxing
08/04/1994	WO1994017159A1 Oil and fuel oil compositions
06/1994
06/14/1994	US5321183 Partial conversion to toluene; highly selective methylation
05/1994
05/25/1994	CN1087030A Process for preparing adsorbent of non-adhesive dewaxed 5A molecular sieve
04/1994
04/27/1994	CN1085934A Catalyst for hydrogenated refining of petroleum paraffin
04/26/1994	US5306433 Dehydration of recovered solvent, splitting into methyl ethyl ketone rich fraction and toluene rich fraction
04/20/1994	CN1085594A Wax hydrofining catalyst
04/19/1994	CA1328635C Method for stabilizing hydroisomerates
04/13/1994	EP0426841B1 Catalytic dewaxing process for producing lubricating oils
04/06/1994	EP0590673A1 Process for producing low viscosity lubricating base oil having high viscosity index
04/06/1994	EP0590672A1 Process for producing low viscosity lubricating base oil having high viscosity index
02/1994
02/01/1994	US5282958 Use of modified 5-7 a pore molecular sieves for isomerization of hydrocarbons
01/1994
01/19/1994	EP0579330A1 Process for the distillation of Fischer-Tropsch products
01/15/1994	CA2100012A1 Process for the distillation of fischer-tropsch products
12/1993
12/29/1993	EP0576346A1 Method of dehydrating solvant from hydrocarbons dewaxing (operation) process
12/29/1993	EP0575438A1 Process for petroleum-wax separation at or above room temperature
12/15/1993	CN1023128C Method of dewaxing petroleum products containing wax
11/1993
11/30/1993	CA1324778C Multi-point cold solvent injection in scraped surface dewaxing chillers
11/02/1993	CA1323843C Method for reducing the cloud point of materials using an ultrafiltration separation process
10/1993
10/19/1993	US5254177 Method and system for disposing of contaminated paraffin wax in an ecologically acceptable manner
09/1993
09/16/1993	WO1993017987A1 Toluene disproportionation process
09/16/1993	WO1993017788A1 Shape selective conversion catalyst
09/16/1993	CA2129249A1 Toluene disproportionation process
08/1993
08/25/1993	EP0540590A4 Use of modified 5-7 pore molecular sieves for isomerization of hydrocarbons
08/25/1993	CN1075496A Method for recoverying earth wax from earth wax argil residue
06/1993
06/29/1993	US5223122 Producing method of fractionated wax products having different molecular weights from solid wax
06/22/1993	US5221460 For waxy liquid hydrocarbons
06/15/1993	CA1318991C Solvent dewaxing process
05/1993
05/12/1993	EP0540590A1 Use of modified 5-7 pore molecular sieves for isomerization of hydrocarbons
05/05/1993	EP0536325A4 Wax isomerization using catalyst of specific pore geometry
05/04/1993	CA1317271C Zeolite zk-5
04/1993
04/27/1993	US5205923 Alternationg waxes; hydrodemetallization and hydrotreatment catalysts
04/14/1993	EP0536325A1 Wax isomerization using catalyst of specific pore geometry
03/1993
03/23/1993	US5196116 Process for petroleum - wax separation at or above room temperature
03/02/1993	US5190673 Efficiency
02/1993
02/09/1993	US5185108 Method for producing wax microspheres
01/1993
01/26/1993	US5182024 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane
01/21/1993	WO1993001258A1 Method for producing wax microspheres and porous sintered body formed therewith
01/19/1993	US5180483 Dewaxing process
12/1992
12/29/1992	CA1312034C Process for the hydroisomerization of wax to produce middle distillate products
12/01/1992	US5167847 Process for producing transformer oil from a hydrocracked stock
11/1992
11/26/1992	WO1992020760A1 Continuous autorefrigerative dewaxing crystallization using a centrifuge
11/04/1992	EP0511839A2 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
10/1992
10/30/1992	CA2052550A1 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
10/07/1992	CN1018553B Camalytic dewaxing process using binderfree camalyst
09/1992
09/15/1992	CA1307487C Lubricant production process
09/08/1992	US5146038 Separation through polyurea membrane
08/1992
08/25/1992	CA1306716C Catalytic hydrodewaxing process
08/20/1992	WO1992013930A1 Process for petroleum-wax separation at or above room temperature
08/18/1992	CA1306442C Separation of dispersed phase from continuous phase
08/12/1992	CN1063502A Process for treating mixture containing dewaxing oil dewaxing
08/04/1992	US5135638 Wax isomerization using catalyst of specific pore geometry
06/1992
06/30/1992	US5126503 Membrane process for dewatering lube oil dewaxing solvents
06/16/1992	US5122257 Process for the manufacture of kerosene and/or gas oils
06/16/1992	CA1303542C Process for improving the low temperature peformance of dewaxed oil and formulated oil products
06/16/1992	CA1303539C Method for isomerizing wax to lube base oils using a sized isomerizationcatalyst
06/10/1992	EP0489573A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/ or deasphalted oil using interfacially polymerized membrane
06/09/1992	CA1302935C Catalytic dewaxing process using binder-free catalyst
06/06/1992	CA2047112A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane
05/1992
05/06/1992	CN2103558U High-efficient sweat pot for paraffin wax
05/05/1992	CA1300070C Wax crystal modification using dewaxing aids under agitated conditions
04/1992
04/29/1992	EP0482686A1 Dewaxing process
04/29/1992	CN1016443B Oil and fuel oil compositions
04/29/1992	CN1016442B Extraction of paraffin from waste clays reclaimed in refining of paraffin
04/24/1992	CA2053781A1 Dewaxing process
04/21/1992	CA1299131C Process for continuous dewaxing of hydrocarbon oils
04/15/1992	CN1016249B Process for catalytic dewaxing of more than one pefinery-derived lubricating base oil precursor
04/08/1992	CN1016181B Process for manufacture of lubricating base oils
04/07/1992	US5102551 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
03/1992
03/24/1992	US5098550 Method for dewaxing waxy petroleum products

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