MEXICHEM/ AMANCO HOLDING S.A. DE C.V. Patent applications |
Patent application number | Title | Published |
20160115105 | Process for Purifying (Hydro)Fluoroalkenes - The invention relates to a process for removing one or more undesired (hydro)halocarbon compounds from a (hydro)fluoroalkene, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (hydro)halocarbon compounds with an aluminium-containing absorbent, activated carbon, or a mixture thereof. | 04-28-2016 |
20160023971 | Process for Preparing C3-6 (Hydro)Fluoroalkenes by Dehydrohalogenating C3-6 Halo(Hydro)Fluoroalkanes in the Presence of a Zinc/Chromia Catalyst - The invention relates to a process for preparing a C3-6 (hydro)fluoroalkene comprising dehydrohalogenating a C3-6 hydro(halo)fluoroalkane in the presence of a zinc/chromia catalyst, wherein the C | 01-28-2016 |
20160023970 | Process for Preparing C3-6(Hydro)Fluoroalkenes by Dehydrohalogenating C3-6 Halo(Hydro)Fluoroalkanes in the Presence of a Zinc/Chromia Catalyst - The invention relates to a process for preparing a C3-6 (hydro)fluoroalkene comprising dehydrohalogenating a C3-6 hydro(halo)fluoroalkane in the presence of a zinc/chromia catalyst, wherein the C | 01-28-2016 |
20160023969 | Process for the Preparation of 2,3,3,3-Tetrafluoropropene - The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf. | 01-28-2016 |
20160002519 | Heat Transfer Compositions - The invention provides a heat transfer composition comprising:
| 01-07-2016 |
20150315447 | Heat Transfer Compositions - The invention provides a heat transfer composition consisting essentially of from about 60 to about 85% by weight of trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and from about 15 to about 40% by weight of fluoroethane (R-161). The invention also provides a heat transfer composition comprising R-1234ze(E), R-161 and 1,1,1,2-tetrafluoroethane (R-134a). | 11-05-2015 |
20150202581 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition consisting essentially of from about 82 to about 88% by weight of trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and from about 12 to about 18% by weight of 1,1-difluoroethane (R-152a). The invention also provides a heat transfer composition comprising from about 5 to about 85% by weight R-1234ze(E), from about 2 to about 20% by weight R-152 | 07-23-2015 |
20150191407 | Process for Purifying (Hydro)Fluoroalkenes - The invention relates to a process for removing one or more undesired (hydro)halocarbon compounds from a (hydro)fluoroalkene, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (hydro)halocarbon compounds with an aluminium-containing absorbent, activated carbon, or a mixture thereof. | 07-09-2015 |
20150126785 | Process for the Preparation of 1,1,1-Trifluoropropane - The invention provides a process comprising contacting (1243zf) or (253fb) with hydrogen in the presence of a hydrogenation catalyst to produce a composition comprising 1,1,1-trifluoropropane (263fb). | 05-07-2015 |
20150075165 | Heat Transfer Compositions - The invention provides a heat transfer composition comprising (i) from about 45 to about 75% by weight 2,3,3,3-tetrafluoropropene (R-1234yf); and (ii) from about 25 to about 55% by weight 1,1,1,2-tetrafluoroethane (R-134a). A heat transfer composition comprising, optionally consisting essentially of, (i) from about 20 to about 90% by weight R-1234yf; (ii) from about 10 to about 60% by weight R-134a; and (iii) from about 1 to about 20% by weight R-32 is also provided. | 03-19-2015 |
20140124699 | Heat Transfer Compositions - A heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), carbon dioxide (R-744) and a third component selected from difluoromethane (R-32), 1,1-difluoroethane (R-152a), fluoroethane (R-161), 1,1,1,2-tetrafluoroethane (R-134a), propylene, propane and mixtures thereof. | 05-08-2014 |
20140031596 | Process for Preparing C3-6(Hydro)Fluoroalkenes by Dehydrohalogenating C3-6 Halo(Hydro)Fluoroalkanes in the Presence of a Zinc/Chromia Catalyst - The invention relates to a process for preparing a C3-6 (hydro)fluoroalkene comprising dehydrohalogenating a C3-6 hydro(halo)fluoroalkane in the presence of a zinc/chromia catalyst, wherein the C | 01-30-2014 |
20140012050 | Process for the Preparation of 2,3,3,3,-Tetrafluoropropene (R-1234yf) - The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF | 01-09-2014 |
20130325732 | Heat Transfer Compositions - A heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), difiuoromethane (R-32) and 1,1-difluoroethane (R-152a). | 12-05-2013 |
20130274528 | Process for Preparing R-1234yf By Base Mediated Dehydrohalogenation - The invention relates to a process for preparing 2,3,3,3-tetrafluoropropene (CF | 10-17-2013 |
20130217927 | Process for Preparing R-1234yf by Base Mediated Dehydrohalogenation - The invention relates to a process for preparing 2,3,3,3-tetrafluoropropene (CF | 08-22-2013 |
20130193368 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), fluoroethane (R-161) and a third component selected from difluoromethane (R-32) and/or 1,1-difluoroethane (R-152a). | 08-01-2013 |
20130187078 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition consisting essentially of from about 60 to about 85% by weight of trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and from about 15 to about 40% by weight of fluoroethane (R-161). The invention also provides a heat transfer composition comprising R-1234ze(E), R-161 and 1,1,1,2-tetrafluoroethane (R-134a). | 07-25-2013 |
20130140482 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising R-1234ze (E), R-32 and 1,1,1,2-tetrafluoroethane (R-134a). | 06-06-2013 |
20130126778 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from 2,3,3,3-tetrafluoropropene (R-1234yf), 3,3,3-trifluoropropene (R-1243zf), and mixtures thereof. | 05-23-2013 |
20130126776 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from propylene (R-1270), propane (R-290), n-butane (R-600), isobutane (R-600a), and mixtures thereof. | 05-23-2013 |
20130119299 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from difluoromethane (R-32) 1,1,1,2-tetrafluoroethane (R-134a) and mixtures thereof. | 05-16-2013 |
20130102815 | Process - The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF | 04-25-2013 |
20120298909 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising (i) from about 45 to about 75% by weight 2,3,3,3-tetrafluoropropene (R-1234yf); and (ii) from about 25 to about 55% by weight 1,1,1,2-tetrafluoroethane (R-134a). A heat transfer composition comprising, optionally consisting essentially of, (i) from about 20 to about 90% by weight R-1234yf; (ii) from about 10 to about 60% by weight R-134a; and (iii) from about 1 to about 20% by weight R-32 is also provided. | 11-29-2012 |
20120203037 | PROCESS FOR PURIFYING (HYDRO) FLUOROALKENES - The invention relates to a process for removing one or more undesired (hydro)halocarbon compounds from a (hydro)fluoroalkene, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (hydro)halocarbon compounds with an aluminium-containing absorbent, activated carbon, or a mixture thereof. | 08-09-2012 |
20120126187 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising: (i) 1,3,3,3-tetrafluoroprop-1-ene (R1234ze, CF | 05-24-2012 |
20120071699 | Process For Preparing 3,3,3-Trifluoropropene - The invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising contacting a compound of formula CX | 03-22-2012 |
20110191268 | HEAT TRANSFER COMPOSITIONS - The invention provides a heat transfer composition comprising R-1234ze(E), R-32 and 1,1,1,2-tetrafluoroethane (R-134a). | 08-04-2011 |
20110184890 | HEAT TRANSFER COMPOSITIONS - A heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), difluoromethane (R-32) and 1,1-difluoroethane (R-152a). | 07-28-2011 |
20110173997 | HEAT TRANSFER COMPOSITIONS - Heat transfer compositions are usable in their own right or are suitable as a replacement for existing refrigeration usages. The compositions possess a reduced Greenhouse Warming Potential, yet have a capacity and energy efficiency (which may be conveniently expressed as the “Coefficient of Performance”) ideally within 20% of the values of those attained using R-134a, and preferably within 10% or less (e.g. about 5%) of these values. | 07-21-2011 |
20110162410 | HEAT TRANSFER COMPOSITIONS - A heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), carbon dioxide (R-744) and a third component selected from difluoromethane (R-32), 1,1-difluoroethane (R-152a), fluoroethane (R-161), 1,1,1,2-tetrafluoroethane (R-134a), propylene, propane and mixtures thereof. | 07-07-2011 |
20110112338 | Process for the Preparation of 2,3,33-Trifluoropropene - The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating (245eb) to produce (1234yf). | 05-12-2011 |