Patents by Inventor Nigel Peter Rhodes
Nigel Peter Rhodes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10201501Abstract: There is provided use of a mixed metal compound in the manufacture of medicament for neutralizing or buffering stomach acid, wherein the mixed metal compound contains at least one trivalent metal selected from iron (III) and aluminum and at least one divalent metal selected from of magnesium, iron, zinc, calcium, lanthanum and cerium, wherein (A) the mixed metal compound is of formula (I): MII1-aMIIIaObAn?c.zH2O (I) where MII is the at least one bivalent metal; MIII is the at least one trivalent metal; An? at least one n-valent anion; 2+a=2b+?cn and ?cn<0.9a, and z is 2 or less, and/or (B) the mixed metal compound is provided in the form of a granular material comprising (i) at least 50% by weight, based on the weight of the granular material, of the mixed metal compound (ii) from 3 to 12% by weight, based on the weight of the granular material, of non-chemically bound water, and (iii) no greater than 47% by weight based on the weight of the granular material of excipient.Type: GrantFiled: July 24, 2008Date of Patent: February 12, 2019Assignee: OPKO IRELAND GLOBAL HOLDINGS, LTD.Inventors: Maurice Sydney Newton, James David Morrison, Ruth Diane Pennel, Nigel Peter Rhodes, Alexis John Toft
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Patent number: 10155040Abstract: The present invention relates to mixed metal compounds having pharmaceutical activity, especially as phosphate binders. It also extends to methods of manufacture of those compounds, as well as to pharmaceutical compositions containing such compounds. It further relates to their pharmaceutical use. In particular, the present invention relates to use of compounds of Formula (I): MII1-aMIIIa wherein M? is at least one bivalent metal (i.e. with two positive charges); M1 is at least one trivalent metal (i.e. with three positive charges); and 1>a>0.4.Type: GrantFiled: October 15, 2008Date of Patent: December 18, 2018Assignee: OPKO IRELAND GLOBAL HOLDINGS, LTD.Inventors: Maurice Sydney Newton, Alexis John Toft, Nigel Peter Rhodes
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Patent number: 9907816Abstract: There is provided a granular material comprising (i) at least 50% by weight based on the weight of the granular material of solid water-insoluble mixed metal compound capable of binding phosphate of formula (I): MII1-x.MIIIx(OH)2An?y.zH2O (I) where MII is at least one of magnesium, calcium, lanthanum and cerium; MII is at least iron(III); An is at least one n-valent anion; x=?ny, 0<x?0.67, 0<y?1, and 0?z<10; (ii) from 3 to 12% by weight based on the weight of the granular material of non-chemically bound water, and (iii) no greater than 47% by weight based on the weight of the granular material of excipient.Type: GrantFiled: January 22, 2015Date of Patent: March 6, 2018Assignee: OPKO IRELAND GLOBAL HOLDINGS, LTD.Inventors: Ruth Diane Pennell, Maurice Sydney Newton, James David Morrison, Alexis John Toft, Nigel Peter Rhodes
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Publication number: 20160296557Abstract: There is provided a method of producing a mixed metal compound that includes at least Mg2+ and at least Fe3+ having an aluminum content of less than 10000 ppm, having an average crystal size of less than 20 nm (200 ?) comprising the steps of: (a) combining a Mg2+ salt and a Fe3+ salt with Na2CO3 and NaOH to produce a slurry, wherein the pH of the slurry is maintained at from 9.5 to 11, and wherein the Na2CO3 is provided at an excess of 0 to 4.0 moles than is required to complete the reaction (b) subjecting the slurry to mixing under conditions providing a power per unit volume of 0.03 to 1.6 kW/m3 (c) separating the mixed metal compound from the slurry, to obtain a crude product having a dry solid content of at least 10 wt % (d) drying the crude product.Type: ApplicationFiled: April 19, 2016Publication date: October 13, 2016Inventors: Richard Jonathan Applewhite, James David Morrison, Maurice Sydney Newton, Nigel Peter Rhodes, Christopher John Rickard
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Patent number: 9168270Abstract: There is provided a granular material comprising (i) at least 50% by weight based on the weight of the granular material of solid water-insoluble mixed metal compound capable of binding phosphate of formula (I): MII1-xMIIIx(OH)2An-y.ZH2O (I) where MII is at least one of magnesium, calcium, lanthanum and cerium; MIII is at least iron(III); An- is at least one n-valent anion; x=?ny; 0<x?0.67, 0<y?1, and 0?z<10; (ii) from 3 to 12% by weight based on the weight of the granular material of non-chemically bound water, and (iii) no greater than 47% by weight based on the weight of the granular material of excipient.Type: GrantFiled: January 30, 2007Date of Patent: October 27, 2015Assignee: OPKO IRELAND GLOBAL HOLDINGS, LTD.Inventors: Ruth Diane Pennel, Maurice Sydney Newton, James David Morrison, Alexis John Toft, Nigel Peter Rhodes
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Patent number: 9066917Abstract: There is provided a method of producing a mixed metal compound comprising at least Mg2+ and at least Fe3+ having an aluminum content of less than 10000 ppm, having an average crystal size of less than 20 nm (200 A) comprising the steps of: (a) combining a Mg2+ salt and a Fe3+ salt with Na2CO3 and NaOH to produce a slurry, wherein the pH of the slurry is maintained at from 9 5 to 1 1, and wherein the Na2CO3 is provided at an excess of 0 to 4.0 moles than is required to complete the reaction (b) subjecting the slurry to mixing under conditions providing a power per unit volume of 0 03 to 1.6 kW/m3 (c) separating the mixed metal compound from the slurry, to obtain a crude product having a dry solid content of at least 10 wt % (d) drying the crude product either by (i) heating the crude product to a temperature of no greater than 150° C. and sufficient to provide a water evaporation rate of 0.Type: GrantFiled: March 24, 2014Date of Patent: June 30, 2015Assignee: CYTOCHROMA DEVELOPMENT INC.Inventors: Richard Jonathan Applewhite, James David Morrison, Maurice Sydney Newton, Nigel Peter Rhodes, Christopher John Rickard
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Publication number: 20150132407Abstract: There is provided a granular material comprising (i) at least 50% by weight based on the weight of the granular material of solid water-insoluble mixed metal compound capable of binding phosphate of formula (I): MII1-x.MIIIx(OH)2An?y.zH2O (I) where MII is at least one of magnesium, calcium, lanthanum and cerium; MII is at least iron(III); A is at least one n-valent anion; x=?ny, 0<x?0.67, 0<y?1, and 0?z<10; (ii) from 3 to 12% by weight based on the weight of the granular material of non-chemically bound water, and (iii) no greater than 47% by weight based on the weight of the granular material of excipient.Type: ApplicationFiled: January 22, 2015Publication date: May 14, 2015Inventors: Ruth Diane Pennel, Maurice Sydney Newton, James David Morrison, Alexis John Toft, Nigel Peter Rhodes
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Publication number: 20140205667Abstract: There is provided a method of producing a mixed metal compound comprising at least Mg2+ and at least Fe3 + having an aluminium content of less than 10000 ppm, having an average crystal size of less than 20 nm (200 A) comprising the steps of: (a) combining a Mg2+ salt and a Fe3 + salt with Na2CO3 and NaOH to produce a slurry, wherein the pH of the slurry is maintained at from 9 5 to 1 1, and wherein the Na2CO3 is provided at an excess of 0 to 4.0 moles than is required to complete the reaction (b) subjecting the slurry to mixing under conditions providing a power per unit volume of 0 03 to 1.6 kW/m3 (c) separating the mixed metal compound from the slurry, to obtain a crude product having a dry solid content of at least 10 wt % (d) drying the crude product either by (i) heating the crude product to a temperature of no greater than 150° C. and sufficient to provide a water evaporation rate of 0.Type: ApplicationFiled: March 24, 2014Publication date: July 24, 2014Applicant: CYTOCHROMA DEVELOPMENT INC.Inventors: Richard Jonathan Applewhite, James David Morrison, Maurice Sydney Newton, Nigel Peter Rhodes, Christopher John Rickard
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Publication number: 20120093943Abstract: A substance for use as a medicament, comprises a solid mixed metal compound of formula (I): MII1-aMIIIaObAn?c.zH2O (I) where MII is at least one bivalent metal: MIII bis at least one trivalent metal; An? is at least one n-valent anion; 2+a=2b+?cn; and ?cn<0.9a. The substance may be made by heating at a temperature of from 200° C. to 600° C., preferably from 250° C. to 500° C. of a substance comprising a compound of formula (II): MII1-xMIIIx(OH)2An?y.mH2O (II) where MII is at least one bivalent metal; MIII is at least one trivalent metal; An? is at least one n-valent anion; x=?yn 0<x?0.5, 0<y?1 and 0<m?10.Type: ApplicationFiled: October 11, 2011Publication date: April 19, 2012Inventors: Maurice Sydney Newton, Nigel Peter Rhodes, Alexis John Toft
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Publication number: 20100215770Abstract: The present invention relates to mixed metal compounds having pharmaceutical activity, especially as phosphate binders. It also extends to methods of manufacture of those compounds, as well as to pharmaceutical compositions containing such compounds. It further relates to their pharmaceutical use. In particular, the present invention relates to use of compounds of Formula (I): MII1-aMIIIa wherein M is at least one bivalent metal (i.e. with two positive charges); M1 is at least one trivalent metal (i.e. with three positive charges); and 1>a>0.4.Type: ApplicationFiled: October 15, 2008Publication date: August 26, 2010Inventors: Maurice Sydney Newton, Alexis John Toft, Nigel Peter Rhodes
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Publication number: 20090317459Abstract: There is provided a granular material comprising (i) at least 50% by weight based on the weight of the granular material of solid water-insoluble mixed metal compound capable of binding phosphate of formula (I): MII1?xMIIIx(OH)2?n?y.ZH2O (I) where MII is at least one of magnesium, calcium, lanthanum and cerium; MIII is at least iron(III); ?n? is at least one n-valent anion; x=?ny; 0<x?0.67, 0<y?1, and 0?z<10; (ii) from 3 to 12% by weight based on the weight of the granular material of non-chemically bound water, and (iii) no greater than 47% by weight based on the weight of the granular material of excipient.Type: ApplicationFiled: January 30, 2007Publication date: December 24, 2009Inventors: Ruth Diane Pennel, Manrice Sydney Newton, James David Morrison, Alexis John Toft, Nigel Peter Rhodes
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Publication number: 20080206358Abstract: A substance for use as a medicament, comprises a solid mixed metal compound of formula (I): MII1?aMIIIaObAn?c.zH2O (I) where MII is at least one bivalent metal: MIII bis at least one trivalent metal; An? is at least one n-valent anion; 2+a=2b+?cn; and ?cn<0.9a. The substance may be made by heating at a temperature of from 200° C. to 600° C. preferably from 250° C. to 500° C. of a substance comprising a compound of formula (II): MII1?xMIIIx(OH)2An?y.mH2O (II) where MII is at least one bivalent metal; MIII is at least one trivalent metal; An? is at least one n-valent anion; x=?yn 0<x?0.5, 0<y?1 and 0<m?10.Type: ApplicationFiled: February 6, 2006Publication date: August 28, 2008Applicant: Ineos Healthcare LimitedInventors: Maurice Sydney Newton, Nigel Peter Rhodes, Alexi John Toft