| Patents for C10G 73 - Recovery or refining of mineral waxes, e.g. montan wax (1,976) |
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| 02/25/1992 | CA1296359C Process for extracting paraffins from their mixtures with alkanesulphonic acids |
| 02/25/1992 | CA1296358C Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 02/25/1992 | CA1296357C Process for extracting paraffins from their mixtures with paraffinsulphonic acids |
| 02/19/1992 | EP0471461A2 Method of producing low-pour high-VI lubes by co-processing solvent dewaxing |
| 02/12/1992 | EP0470699A1 Membrane process for dewatering lube oil dewaxing solents |
| 02/11/1992 | CA1295570C Method for isomerizing wax to lube base oils using an isomerization catalyst |
| 02/07/1992 | CA2042913A1 Membrane process for dewatering lube oil dewaxing solvents |
| 02/06/1992 | WO1992001769A1 Wax isomerization using catalyst of specific pore geometry |
| 02/05/1992 | CN1015375B Catalytic hydrodewaxing process |
| 02/04/1992 | US5085763 Catalyst and its use for a catalytic dewaxing process |
| 01/31/1992 | CA2047075A1 Low pour high vi lubes via co-processing solvent dewaxing |
| 01/28/1992 | US5084183 Fractionation of light/heavy waxes by use of porous membranes |
| 01/23/1992 | DE4111863A1 Hydrogenation of micro- and macro-crystalline paraffin(s) - on catalyst for hydrogenative demetallisation and catalyst for hydrogenation, giving better colour levels |
| 01/22/1992 | EP0467525A1 Process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 01/22/1992 | CN1058039A Technology for production of bromo-chlorine and brominated paraffin as fire retardant of rubber and plastics |
| 01/21/1992 | WO1992001657A1 Use of modified 5-7 å pore molecular sieves for isomerization of hydrocarbons |
| 01/17/1992 | CA2042921A1 Process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 01/08/1992 | EP0246278B1 Process for preparing emulsifiable polyethylene paraffin blend compositions |
| 01/07/1992 | CA1293945C Process for the manufacture of lubricating base oils |
| 12/18/1991 | EP0458895A4 Isomerization of waxy lube oils and petroleum waxes using a silicoaluminophosphate molecular sieve catalyst |
| 12/04/1991 | EP0458895A1 Isomerization of waxy lube oils and petroleum waxes using a silicoaluminophosphate molecular sieve catalyst. |
| 11/27/1991 | EP0458574A2 Process for producing transformer oil from a hydrocracked stock |
| 11/27/1991 | EP0458476A2 Solvent dewaxing of lubricating oils |
| 11/27/1991 | EP0426841A4 Catalytic dewaxing process for producing lubricating oils |
| 11/12/1991 | CA1291979C Process for the preparation of ferrierite and its use as dewaxing catalyst (carrier) |
| 11/05/1991 | US5063271 For coating fibers |
| 09/24/1991 | CA1289510C Centrifugal separation of dispersed phase from continuous phase with electrostatic charges |
| 09/03/1991 | CA1288376C Agitated dewaxing employing modified agitator means |
| 07/23/1991 | CA1286612C Process for the separation of solvents from hydrocarbons dissolved in said solvents |
| 07/17/1991 | CN1053081A Method for synthesizing paraffin chloride |
| 07/16/1991 | US5032249 Fractionation process for petroleum wax |
| 06/25/1991 | CA1285236C Process for producing a product hydrocarbon having a reduced content of normal paraffins |
| 05/15/1991 | EP0427452A2 Process for separating a charge containing dewaxing solvent and dewaxed oil |
| 05/15/1991 | EP0426841A1 Catalytic dewaxing process for producing lubricating oils. |
| 05/14/1991 | US5015357 Wax sweating |
| 05/14/1991 | CA1284148C Quaternized aminoamide-modified waxes |
| 05/09/1991 | CA2029030A1 Process for treating a charge containing dewaxing solvent and dewaxed oil |
| 04/17/1991 | CN1050737A Method of dewaxing petroleum product containing wax |
| 04/10/1991 | EP0421256A1 Process for dewaxing waxy mineral-oil products |
| 04/09/1991 | US5006222 Solvent dewaxing of lubricating oils |
| 04/02/1991 | CA1282363C Process for catalytic dewaxing of more than one refinery-derived lubricating base oil precursor |
| 02/27/1991 | CN1011789B Method of solvent dewaxing - wax fractionation |
| 02/19/1991 | US4994249 Containing strontium; hydrocracking, reforming, saparation |
| 01/30/1991 | CN1048882A Method and apparatus for light cracking and producing organic light constituent gas from petroleum asphalt |
| 01/29/1991 | CA1279599C Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer dewaxing aids |
| 01/16/1991 | CN1011224B Process for preparation of ferrierite and its use as dewaxing catalyst (carrier) |
| 01/15/1991 | US4985138 Process for treating a charge containing dewaxing solvent and dewaxed oil |
| 01/09/1991 | EP0179135B1 Separating a component which forms a dispersion in, or which is dissolved in, continuous liquid |
| 12/18/1990 | CA1277974C Oil and fuel oil compositions |
| 12/12/1990 | CN1010767B Crystalline aluminium silicate, its preparation and its use as catalyst (carrier) |
| 12/02/1990 | WO1990015120A1 Catalytic dewaxing process for producing lubricating oils |
| 12/02/1990 | CA2033334A1 Catalytic dewaxing process for producing lubricating oils |
| 11/28/1990 | CN1010583B Process for extracting paraffins from their mixtures with paraffinsulphonic acids |
| 11/21/1990 | CN1010477B Process for extracting paraffins from mixture of alkane and alkanesutphonic acid |
| 10/23/1990 | US4965306 Process for producing hot melt wax compositions |
| 10/23/1990 | CA1275400C Dewaxing catalysts and processes employing non- zeolitic molecular sieves |
| 10/17/1990 | CN1010008B Process for extraction of paraffin from mixtures thereof with alkane-sulphonic acids |
| 10/16/1990 | US4963303 Dissolving polyimide in solvent; adding pore forming agent; casting thin layer; quenching |
| 10/10/1990 | CN1009923B Process for removing paraffins from their mixture with paraffinsulphonic acid |
| 10/10/1990 | CN1009902B Dewaxing catalyst employing non-zeolitic molecular sieves |
| 10/02/1990 | CA1274854A1 Process for the extraction of paraffins from mixtures thereof with alkane-sulphonic acids |
| 09/19/1990 | CN1045412A Process for refining polyvinyl wax by hydrolyzing oligomer |
| 09/18/1990 | CA1274205A1 Processing aromatic vacuum gas oil for jet fuel production |
| 09/18/1990 | CA1274204A1 Cascade dewaxing process |
| 09/11/1990 | US4956492 Dialkyl fumarate - vinyl acetate copolymers useful as dewaxing aids |
| 09/05/1990 | EP0385006A1 Removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range |
| 09/05/1990 | EP0385005A1 Removing haze from a hydrocarbon oil mixture boiling in the lubricating oil range |
| 09/05/1990 | CN2061566U 石蜡分离罐 Paraffin separation tank |
| 08/22/1990 | EP0383521A1 Method of making ultrafiltration polyimide membrane and its use for recovery of dewaxing aid |
| 08/21/1990 | US4950382 Process for improving the low temperature performance of dewaxed oil and formulated oil products |
| 08/18/1990 | WO1990009363A1 Isomerization of waxy lube oils and petroleum waxes using a silicoaluminophosphate molecular sieve catalyst |
| 08/16/1990 | CA2009184A1 Ultrafiltratioin polyimide membrane and its use for recovery of dewaxing aid |
| 08/01/1990 | EP0380180A2 The preparation of composite crystalline silicates |
| 07/25/1990 | CA2008316A1 Preparation of composite crystalline silicates |
| 07/18/1990 | EP0378412A2 In-situ repair of damaged filter cloths used in solvent dewaxing filters |
| 06/13/1990 | CN1042937A Process and device for oil products refined from residuum |
| 05/30/1990 | EP0370857A2 Catalyst and its use in a catalytic dewaxing process |
| 04/24/1990 | US4919786 Process for the hydroisomerization of was to produce middle distillate products (OP-3403) |
| 04/04/1990 | CN2055501U Vertical square multipul sections spacer diaphoresis tank |
| 03/27/1990 | US4911821 Lubricant production process employing sequential dewaxing and solvent extraction |
| 03/21/1990 | CN1040613A Camalytic dewaxing process using binderfree camalyst |
| 03/13/1990 | US4908134 Ultrafiltration polyamide membrane and its use for recovery of dewaxing aid (OP-3454) |
| 03/13/1990 | US4908082 Washing with oil wax solvent, rinsing, drying, applying epoxy adhesive, curing |
| 03/07/1990 | CN2054038U Demaxing device for petroleum products |
| 03/06/1990 | US4906351 Dewaxing catalysts and processes employing non-zeolitic molecular sieves |
| 03/06/1990 | US4906350 Process for the preparation of a lubricating base oil |
| 02/28/1990 | EP0356081A1 Method for reducing the cloud point of materials using an ultrafiltration separation process |
| 02/27/1990 | US4904367 Solvent dilution,precipitation, cooling, charging, filtration, separation |
| 02/06/1990 | US4898674 Solvent dewaxing process |
| 02/06/1990 | US4898661 Method for dewaxing hydrocarbon oil employing crystalline aluminosilicates promoted with a solid fluorine compound |
| 02/06/1990 | US4898659 Multi-point cold solvent injection in scraped surface dewaxing chillers |
| 01/24/1990 | EP0179870B1 Separation of dispersed phase from continuous phase |
| 12/27/1989 | EP0348044A2 Lube oil solvent dewaxing control system |
| 12/05/1989 | US4885062 Lube oil solvent dewaxing control system |
| 11/14/1989 | US4880760 Dewaxing catalysts employing non-zeolitic molecular sieves |
| 11/14/1989 | CA1262881A1 Modified deoiling - dewaxing process |
| 11/14/1989 | CA1262880A1 Separation of dewaxing solvent from dewaxed oil in a lube oil dewaxing process using asymmetric polyimide membranes |
| 10/17/1989 | US4874523 Method for reducing the cloud point of materials using an ultrafiltration separation process |
| 10/10/1989 | US4872968 Catalytic dewaxing process using binder-free catalyst |
| 10/04/1989 | EP0335667A2 Method of recovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane |