Patents Assigned to MEXICHEM FLUORS S.A DE C. V.
  • Patent number: 11261396
    Abstract: 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: Grant
    Filed: April 27, 2020
    Date of Patent: March 1, 2022
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Robert Elliot Low, Andrew Paul Sharratt, Emma Jane Hodgson
  • Patent number: 11260052
    Abstract: 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: Grant
    Filed: September 18, 2017
    Date of Patent: March 1, 2022
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Stuart Corr, Timothy James Noakes
  • Publication number: 20220056206
    Abstract: 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: Application
    Filed: December 20, 2019
    Publication date: February 24, 2022
    Applicant: Mexichem Fluor S.A. de C.V.
    Inventor: Andrew Sharratt
  • Publication number: 20220033330
    Abstract: 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: Application
    Filed: April 30, 2021
    Publication date: February 3, 2022
    Applicant: 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
  • Publication number: 20220025288
    Abstract: 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: Application
    Filed: October 6, 2021
    Publication date: January 27, 2022
    Applicant: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Robert Elliot LOW, Andrew Paul SHARRATT, Emma Jane HODGSON
  • Publication number: 20210401800
    Abstract: 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: Application
    Filed: September 7, 2021
    Publication date: December 30, 2021
    Applicant: Mexichem Fluor S.A, DE C.V.
    Inventors: Stuart Corr, Timothy James Noakes
  • Publication number: 20210395590
    Abstract: 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: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Applicant: MEXICHEM FLUOR S.A DE C.V.
    Inventor: ROBERT E. LOW
  • Publication number: 20210395589
    Abstract: 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: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Applicant: MEXICHEM FLUORS S.A DE C. V.
    Inventor: ROBERT E. LOW
  • Patent number: 11179366
    Abstract: 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: Grant
    Filed: September 25, 2019
    Date of Patent: November 23, 2021
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Stuart Corr, Timothy James Noakes
  • Patent number: 11155506
    Abstract: 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: Grant
    Filed: April 22, 2020
    Date of Patent: October 26, 2021
    Assignee: Mexichem Fluor S.A. de C.V.
    Inventors: Sheryl Louise Johnson, Stephen Andrew Flaherty, Clive Robert Giddis
  • Publication number: 20210322378
    Abstract: 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: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Applicant: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Stuart Corr, Timothy James Noakes
  • Publication number: 20210322377
    Abstract: 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: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Applicant: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Stuart Corr, Timothy James Noakes
  • Publication number: 20210322379
    Abstract: 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: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Applicant: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Stuart CORR, Timothy James NOAKES
  • Patent number: 11136482
    Abstract: 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: Grant
    Filed: August 6, 2018
    Date of Patent: October 5, 2021
    Assignee: MEXICHEM FLUOR S.A DE C.V.
    Inventor: Robert E Low
  • Patent number: 11103480
    Abstract: 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: Grant
    Filed: September 25, 2019
    Date of Patent: August 31, 2021
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Stuart Corr, Timothy James Noakes
  • Publication number: 20210244688
    Abstract: 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: Application
    Filed: April 23, 2019
    Publication date: August 12, 2021
    Applicant: Mexichem Fluor S.A. de C.V.
    Inventors: Timothy James NOAKES, Stuart CORR
  • Patent number: 11077076
    Abstract: 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: Grant
    Filed: May 26, 2020
    Date of Patent: August 3, 2021
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Stuart Corr, Timothy James Noakes
  • Publication number: 20210171434
    Abstract: 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: Application
    Filed: February 17, 2021
    Publication date: June 10, 2021
    Applicant: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Robert Elliot LOW, Andrew Paul SHARRATT, Emma Jane HODGSON
  • Patent number: 11021423
    Abstract: 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: Grant
    Filed: April 30, 2020
    Date of Patent: June 1, 2021
    Assignee: Mexichem Fluor S.A. de C.V.
    Inventors: Clare Mary Skae, Gary Lloyd
  • Patent number: 11007471
    Abstract: 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: Grant
    Filed: September 30, 2019
    Date of Patent: May 18, 2021
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Andrew Sharratt, Robert Low