Patents Assigned to MEXICHEM FLUORS S.A DE C. V.
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Patent number: 11261396Abstract: A composition comprising a heat transfer portion and a lubricating portion, wherein the lubricating portion comprises one or more compounds according to formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br and I; Y is independently selected from the group consisting of F, Cl, Br and I; Z is independently selected from the group consisting of H, OH, (CW2)PCW3, CY3, OCW3, O(CW2)pCW3, OCW((CY2)mCY3)CWCW2, polyalkylene glycol and polyolester; n is an integer from 2 to 250; m is an integer from 0 to 3; and p is an integer from 0 to 9.Type: GrantFiled: April 27, 2020Date of Patent: March 1, 2022Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventors: Robert Elliot Low, Andrew Paul Sharratt, Emma Jane Hodgson
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Patent number: 11260052Abstract: A pharmaceutical composition is described. The composition comprises: (i) a drug component comprising at least one indacaterol compound selected from indacaterol and the pharmaceutically acceptable derivatives thereof; and (ii) a propellant component comprising 1,1-difluoroethane (HFA-152a).Type: GrantFiled: September 18, 2017Date of Patent: March 1, 2022Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventors: Stuart Corr, Timothy James Noakes
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Publication number: 20220056206Abstract: The present invention relates to compounds according to formula (Ia) or formula (Ib); wherein each W is independently selected from the group consisting of H, F, Cl, Br, I and (CY2)mCY3; each Y is independently selected from the group consisting of F, Cl, Br and I; each Z is independently selected from the group consisting of H, OH, (CW2)pCW3, CY3, OCW3, O(CW2)pCW3, OCW((CY2)mCY3)CWCW2, (CW2)pOH, polyalkylene glycol and polyolester; n is an integer from 2 to 49; m is an integer from 0 to 3; p is an integer from 0 to 9; the molecular weight average (MW) is ?5500; and the polydispersity index is ?1.45; compositions comprising these compounds and methods for their production.Type: ApplicationFiled: December 20, 2019Publication date: February 24, 2022Applicant: Mexichem Fluor S.A. de C.V.Inventor: Andrew Sharratt
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Publication number: 20220033330Abstract: The present invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising: (a) fluorinating CCl3CH2CH2Cl (250fb) to produce a reaction product comprising CF3CH2CH2Cl (253fb) in the liquid phase in a first reactor, using HF as the fluorinating agent; and (b) (i) dehydrohalogenating 253fb to produce 1243zf in the vapour phase in the present of a catalyst in a second reactor; or (b)(ii) dehydrohalogenating 253fb to produce 1243zf in a second reactor, wherein the reaction product comprising 253fb produced in step (a) has subjected to one or more purification steps before step (b). The present invention also provides an azeotropic or near-azeotropic composition comprising HF and 253fb.Type: ApplicationFiled: April 30, 2021Publication date: February 3, 2022Applicant: Mexichem Fluor S.A. de C.V.Inventors: Emma Jayne HODGSON, Clare Mary Skae, Gary Lloyd, Claire Elizabeth McGuinness, Clive Robert Giddis, James Henry Murray
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Publication number: 20220025288Abstract: A composition comprising a heat transfer portion and a lubricating portion, wherein the lubricating portion comprises one or more compounds according to formula (I) of the present disclosure, wherein W is H; Y is independently selected from the group consisting of F, Cl, Br and I; Z is independently selected from the group consisting of H, OH, (CW2)PCW3, CY3, OCW3, 0(CW2)pCW3, OCW((CY2)mCY3)CWCW2, polyalkylene glycol and polyolester; n is an integer from 2 to 250; m is an integer from 0 to 3; and p is an integer from 0 to 9.Type: ApplicationFiled: October 6, 2021Publication date: January 27, 2022Applicant: MEXICHEM FLUOR S.A. DE C.V.Inventors: Robert Elliot LOW, Andrew Paul SHARRATT, Emma Jane HODGSON
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Publication number: 20210401800Abstract: A pharmaceutical composition is described. The composition may include a drug component and a propellant component. The drug component comprises at least one pharmaceutically acceptable salt of glycopyrrolate and at least one long acting beta-2-agonist (LABA) selected from formoterol and the pharmaceutically acceptable salts thereof. At least 90 weight % of the propellant component is 1,1-difluoroethane (HFA-152a).Type: ApplicationFiled: September 7, 2021Publication date: December 30, 2021Applicant: Mexichem Fluor S.A, DE C.V.Inventors: Stuart Corr, Timothy James Noakes
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Publication number: 20210395590Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).Type: ApplicationFiled: September 2, 2021Publication date: December 23, 2021Applicant: MEXICHEM FLUOR S.A DE C.V.Inventor: ROBERT E. LOW
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Publication number: 20210395589Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).Type: ApplicationFiled: September 2, 2021Publication date: December 23, 2021Applicant: MEXICHEM FLUORS S.A DE C. V.Inventor: ROBERT E. LOW
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Patent number: 11179366Abstract: A pharmaceutical composition is described. The composition may include: (i) a drug component including at least one pharmaceutically acceptable salt of glycopyrrolate; and (ii) a propellant component including 1,1-difluoroethane (HFA-152a).Type: GrantFiled: September 25, 2019Date of Patent: November 23, 2021Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventors: Stuart Corr, Timothy James Noakes
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Patent number: 11155506Abstract: The present invention provides a process for preparing 1,1,1,2,2-pentafluoropropane (245cb), the process comprising gas phase catalytic dehydrochlorination of a composition comprising 1,1,1-trifluoro-2,3-dichloropropane (243db) to produce an intermediate composition comprising 3,3,3-trifluoro-2-chloro-prop-1-ene (CF3CCl?CH2, 1233xf), hydrogen chloride (HCl) and, optionally, air; and gas phase catalytic fluorination with hydrogen fluoride (HF) of the intermediate composition to produce a reactor product composition comprising 245cb, HF, HCl and air; wherein the process is carried out with a co-feed of air.Type: GrantFiled: April 22, 2020Date of Patent: October 26, 2021Assignee: Mexichem Fluor S.A. de C.V.Inventors: Sheryl Louise Johnson, Stephen Andrew Flaherty, Clive Robert Giddis
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Publication number: 20210322378Abstract: A pharmaceutical composition is described. The composition may include a drug component and a propellant component. The drug component comprises at least one pharmaceutically acceptable salt of glycopyrrolate, beclomethasone diproprionate, and at least one long acting beta-2-agonist (LABA) selected from formoterol and the pharmaceutically acceptable salts thereof. The propellant component comprises 1,1-difluoroethane (HFA-152a).Type: ApplicationFiled: June 29, 2021Publication date: October 21, 2021Applicant: MEXICHEM FLUOR S.A. DE C.V.Inventors: Stuart Corr, Timothy James Noakes
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Publication number: 20210322377Abstract: A pharmaceutical composition is described. The composition may include a drug component and a propellant component. The drug component comprises at least one pharmaceutically acceptable salt of glycopyrrolate and at least one long acting beta-2-agonist (LABA) selected from formoterol and the pharmaceutically acceptable salts thereof. At least 90 weight % of the propellant component is 1,1-difluoroethane (HFA-152a).Type: ApplicationFiled: June 29, 2021Publication date: October 21, 2021Applicant: MEXICHEM FLUOR S.A. DE C.V.Inventors: Stuart Corr, Timothy James Noakes
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Publication number: 20210322379Abstract: A pharmaceutical composition is described. The composition may include a drug component and a propellant component. The drug component comprises at least one pharmaceutically acceptable salt of glycopyrrolate, budesonide, and at least one long acting beta-2-agonist (LABA) selected from formoterol and the pharmaceutically acceptable salts thereof. The propellant component comprises 1,1-difluoroethane (HFA-152a).Type: ApplicationFiled: June 29, 2021Publication date: October 21, 2021Applicant: MEXICHEM FLUOR S.A. DE C.V.Inventors: Stuart CORR, Timothy James NOAKES
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Patent number: 11136482Abstract: The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetra-fluoropropene (R-1234yf), optionally carbon dioxide (CO2, R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).Type: GrantFiled: August 6, 2018Date of Patent: October 5, 2021Assignee: MEXICHEM FLUOR S.A DE C.V.Inventor: Robert E Low
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Patent number: 11103480Abstract: A pharmaceutical composition is described. The composition may include: (i) a drug component including at least one pharmaceutically acceptable salt of glycopyrrolate; and (ii) a propellant component including 1,1-difluoroethane (HFA-152a).Type: GrantFiled: September 25, 2019Date of Patent: August 31, 2021Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventors: Stuart Corr, Timothy James Noakes
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Publication number: 20210244688Abstract: A pharmaceutical composition is described. The composition comprises; (i) a drug component comprising salbutamol; and (ii) a propellant component comprising 1,1-difluoroethane (HFA-152a).Type: ApplicationFiled: April 23, 2019Publication date: August 12, 2021Applicant: Mexichem Fluor S.A. de C.V.Inventors: Timothy James NOAKES, Stuart CORR
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Patent number: 11077076Abstract: A pharmaceutical composition is described. The composition comprises: (i) a drug component comprising at least one salmeterol compound selected from salmeterol and the pharmaceutically acceptable derivatives thereof; and (ii) a propellant component comprising 1,1-difluoroethane (HFA-152a).Type: GrantFiled: May 26, 2020Date of Patent: August 3, 2021Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventors: Stuart Corr, Timothy James Noakes
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Publication number: 20210171434Abstract: The present disclosure provides compounds of formula (I), and preparation method thereof, wherein W is independently selected from the group consisting of H, F, Cl, Br and I; X is independently selected from the group consisting of H, F, Cl, Br, I, CW3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O)CH2)m(CF2)nY and CW2C(CW2OC(O)(CH2)m(CF2)nY)3; m is an integer from 0 to 2; 15 n is an integer from 2 to 8; Y is C(Z)3; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions.Type: ApplicationFiled: February 17, 2021Publication date: June 10, 2021Applicant: MEXICHEM FLUOR S.A. DE C.V.Inventors: Robert Elliot LOW, Andrew Paul SHARRATT, Emma Jane HODGSON
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Patent number: 11021423Abstract: The present invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising: (a) fluorinating CCI3CH2CH2CI (250fb) to produce a reaction product comprising CF3CH2CH2CI (253fb) in the liquid phase in a first reactor, using HF as the fluorinating agent; and (b)(i) dehydrohalogenating 253fb to produce 1243zf in the vapour phase in the presence of a catalyst in a second reactor; or (b)(ii) dehydrohalogenating 253fb to produce 1243zf in a second reactor, wherein the reaction product comprising 253fb produced in step (a) has subjected to one or more purification steps before step (b). The present invention also provides an azeotropic or near-azeotropic composition comprising HF and 253fb.Type: GrantFiled: April 30, 2020Date of Patent: June 1, 2021Assignee: Mexichem Fluor S.A. de C.V.Inventors: Clare Mary Skae, Gary Lloyd
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Patent number: 11007471Abstract: A process for treating a composition comprising one or more desired (hydro)fluoroolefins and one or more undesired halogenated ethanes, halogenated methanes or mixtures thereof so as to reduce the concentration of at least one undesired halogenated ethane or halogenated methane, the process comprising contacting the composition with an adsorbent comprising pores having openings which have a size across their largest dimension of about 6 ? or less.Type: GrantFiled: September 30, 2019Date of Patent: May 18, 2021Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventors: Andrew Sharratt, Robert Low