Patents by Inventor Derek Allan Prater

Derek Allan Prater 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).

  • Patent number: 10231936
    Abstract: Delivery of a drug is controlled to impart a delay before release after administration by formulating the drug with a disruption agent to provide a core, and coating the core with a regulatory membrane comprising a water-soluble gel-forming polymer and a water-insoluble film-forming polymer.
    Type: Grant
    Filed: November 22, 2006
    Date of Patent: March 19, 2019
    Assignee: Euro-Celtique S.A.
    Inventors: Derek Allan Prater, Mohammed Hassan, Christopher Robert Bland
  • Publication number: 20180153812
    Abstract: Opioid controlled release formulation resistant to alcohol extraction of the opioid.
    Type: Application
    Filed: February 1, 2018
    Publication date: June 7, 2018
    Inventors: Richard O. Mannion, William H. Mckenna, Edward P. O'donnell, Helen Kathleen Danagher, Geoffrey Gerard Hayes, Hassan Mohammad, Derek Allan Prater, Harjit Tamber, Malcolm Walden, Steve Whitelock, Wolfgang Fleischer, Udo Hahn, Christof Spitzley, Christian Leuner
  • Patent number: 9603802
    Abstract: The invention relates to a process for preparing a controlled release pharmaceutical extrudate using a melt extruder, wherein the melt extruder comprises a die-head supporting a die-plate in which orifices are located, and a cutter adjacent to the die-head, and wherein the cutter cuts the extruded mix as it emerges under pressure and still molten or softened from the orifices of the die-plate.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: March 28, 2017
    Assignee: Euro-Celtique S.A.
    Inventors: Geoffrey Gerard Hayes, Vincenzo Martinelli, Hassan Mohammad, Derek Allan Prater, Harjit Tamber, Malcolm Walden, Steve Whitelock
  • Publication number: 20170079923
    Abstract: Opioid controlled release formulation resistant to alcohol extraction of the opioid.
    Type: Application
    Filed: December 1, 2016
    Publication date: March 23, 2017
    Inventors: Richard O. MANNION, William H. MCKENNA, Edward P. O'DONNELL, Helen Kathleen DANAGHER, Geoffrey Gerard HAYES, Hassan MOHAMMAD, Derek Allan PRATER, Harjit TAMBER, Malcolm WALDEN, Steve WHITELOCK, Wolfgang FLEISCHER, Udo HAHN, Christof SPITZLEY, Christian LEUNER
  • Publication number: 20160095853
    Abstract: The present invention relates to storage stable prolonged release pharmaceutical dosage forms comprising oxycodone or a pharmaceutically acceptable salt thereof and naloxone or a pharmaceutically acceptable salt thereof, the manufacture thereof as well as their use for administration to human beings.
    Type: Application
    Filed: December 14, 2015
    Publication date: April 7, 2016
    Inventors: Derek Allan PRATER, Christof SPITZLEY, Gerhard Josef HEUN, Alexander SCHÜTZ, Udo HAHN, Christian LEUNER
  • Publication number: 20150148366
    Abstract: A neutral poly(ethyl acrylate, methyl methacrylate) copolymer is employed as a carrier in the manufacture of pharmaceutical formulations containing an active ingredient. The formulations are preferably made by melt extrusion, and can have rubbery characteristics and can exhibit tamper resistance.
    Type: Application
    Filed: November 19, 2014
    Publication date: May 28, 2015
    Inventors: Geoffrey Gerard Hayes, Hassan Mohammad, Harjit Tamber, Malcolm Walden, Steve Whitelock, Helen Kathleen Danagher, Derek Allan Prater
  • Patent number: 8920836
    Abstract: A neutral poly(ethyl acrylate, methyl methacrylate) copolymer is employed as a carrier in the manufacture of pharmaceutical formulations containing an active ingredient. The formulations are preferably made by melt extrusion, and can have rubbery characteristics and can exhibit tamper resistance.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: December 30, 2014
    Assignee: Euro-Celtique S.A.
    Inventors: Geoffrey Gerard Hayes, Hassan Mohammad, Harjit Tamber, Malcolm Walden, Steve Whitelock, Helen Kathleen Danagher, Derek Allan Prater
  • Publication number: 20130245054
    Abstract: The present invention relates to storage stable prolonged release pharmaceutical dosage forms comprising oxycodone or a pharmaceutically acceptable salt thereof and naloxone or a pharmaceutically acceptable salt thereof, the manufacture thereof as well as their use for administration to human beings.
    Type: Application
    Filed: August 11, 2011
    Publication date: September 19, 2013
    Inventors: Derek Allan Prater, Christof Spitzley, Gerhard Heun, Alexander Schütz, Udo Hahn, Christian Leuner
  • Patent number: 8506998
    Abstract: A solid, oral controlled release pharmaceutical dosage form has a water-soluble active ingredient dispersed in a matrix and releases the active ingredient at such a rate upon administration that the median tmax is 2.5 to 6 hours and the ratio of mean Cmax to mean plasma level of the active ingredient at 24 hours is in the range of 1.5 to 3.5.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: August 13, 2013
    Assignee: Euro-Celtique S.A.
    Inventors: Ronald Brown Miller, Stewart Thomas Leslie, Sandra Therese Antoinette Malkowska, Derek Allan Prater, Trevor John Knott, Hassan Mohammad
  • Publication number: 20120141583
    Abstract: Opioid controlled release formulation resistant to alcohol extraction of the opioid.
    Type: Application
    Filed: June 9, 2011
    Publication date: June 7, 2012
    Applicant: Euro-Celtique S.A.
    Inventors: Richard O. Mannion, William H. Mckenna, Edward P. O'Donnell, Helen Kathleen Danagher, Geoffrey Gerard Hayes, Hassan Mohammad, Derek Allan Prater, Harjit Tamber, Malcom Walden, Steve Whitelock, Wolfgang Fleischer, Udo Hahn, Christof Spitzley, Christian Leuner
  • Patent number: 7704948
    Abstract: A stool softener and enteric coated bisacodyl form of a pharmaceutical composition.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: April 27, 2010
    Assignee: Euro-Celtique S.A.
    Inventors: Derek Allan Prater, Hassan Mohammed, Malcolm Walden, Geoff Hayes, Harjit Tamber
  • Publication number: 20090117191
    Abstract: A controlled release preparation for oral administration contains tramadol, or a pharmaceutically acceptable salt thereof, as active ingredient.
    Type: Application
    Filed: May 14, 2008
    Publication date: May 7, 2009
    Applicants: PURDUE PHARMA PRODUCTS L.P., NAPP PHARMACEUTICAL GROUP LIMITED
    Inventors: Ronald Brown Miller, Stewart Thomas Leslie, Sandra Therese Antoinette, Kevin John Smith, Walter Wimmer, Horst Winkler, Udo Hahn, Derek Allan Prater
  • Publication number: 20090029170
    Abstract: The invention relates to a process for preparing a controlled release pharmaceutical extrudate using a melt extruder, wherein the melt extruder comprises a die-head supporting a die-plate in which orifices are located, and a cutter adjacent to the die-head, and wherein the cutter cuts the extruded mix as it emerges under pressure and still molten or softened from the orifices of the die-plate.
    Type: Application
    Filed: September 30, 2008
    Publication date: January 29, 2009
    Inventors: Geoffrey Gerard Hayes, Vincenzo Martinelli, Hassan Mohammad, Derek Allan Prater, Harjit Tamber, Malcolm Walden, Steve Whitelock
  • Publication number: 20070098795
    Abstract: A solid, oral controlled release pharmaceutical dosage form has a water-soluble active ingredient dispersed in a matrix and releases the active ingredient at such a rate upon administration that the median tmax is 2.5 to 6 hours and the ratio of mean Cmax to mean plasma level of the active ingredient at 24 hours is in the range of 1.5 to 3.5.
    Type: Application
    Filed: December 18, 2006
    Publication date: May 3, 2007
    Applicant: Euro-Celtique S.A.
    Inventors: Ronald Brown Miller, Stewart Thomas Leslie, Santa Therese Antoinette Malkowska, Derek Allan Prater, Trevor John Knott, Hassan Mohammad
  • Patent number: 7074430
    Abstract: A controlled release preparation for oral administration contains tramadol, or a pharmaceutically acceptable salt thereof, as active ingredient.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: July 11, 2006
    Assignee: Euro-Celtique S.A.
    Inventors: Ronald Brown Miller, Sandra Therese Antoinette Malkowska, Walter Wimmer, Udo Hahn, Stewart Thomas Leslie, Kevin John Smith, Horst Winkler, Derek Allan Prater
  • Publication number: 20040197406
    Abstract: Stool softener and enteric coated bisacodyl form a pharmaceutical composition.
    Type: Application
    Filed: May 19, 2004
    Publication date: October 7, 2004
    Inventors: Derek Allan Prater, Hassan Mohammed, Malcolm Walden, Geoff Hayes, Harjit Tamber
  • Publication number: 20040052846
    Abstract: Delivery of a drug is controlled to impart a delay before release after administration by formulating the drug with a disruption agent to provide a core, and coating the core with a regulatory membrane comprising a water-soluble gel-forming polymer and a water-insoluble film-forming polymer.
    Type: Application
    Filed: September 30, 2003
    Publication date: March 18, 2004
    Inventors: Derek Allan Prater, Mohammed Hassan, Christopher Robert Bland
  • Publication number: 20020102300
    Abstract: A solid, oral, controlled release pharmaceutical dosage form comprising a pharmaceutically active ingredient having a solubility in water of greater than 1 gm in 250 ml water at 25° C., the active ingredient dispersed in a matrix wherein the dosage form provides, as tested by the Ph. Eur. Basket method at 100 rpm 900 ml aqueous buffer (pH 6.5) containing 0.05% w/w Polysorbate 80 at 37° C., an essentially zero order rate of release of the pharmaceutically active ingredient over a period of 8 hours, the amount of pharmaceutically active ingredient released over eight hours being in the range of 15% to 45%, and when tested in a group of at least five healthy humans the median tmax, based on blood sampling at half hourly intervals, is in the range of from about 2.5 to about 6 hours, and the ratio of mean Cmax to the mean plasma level at 24 hours is in the range of about 1.5 to about 3.5.
    Type: Application
    Filed: February 5, 2002
    Publication date: August 1, 2002
    Inventors: Ronald Brown Miller, Stewart Thomas Leslie, Sandra Theresc Antoinette Malkowska, Derek Allan Prater, Trevor John Knott, Hassan Mohammad
  • Patent number: 6399096
    Abstract: A solid, oral controlled release pharmaceutical dosage form has a water-soluble active ingredient dispersed in a matrix and releases the active ingredient at such a rate upon administration that the median tmax is 2.5 to 6 hours and the ratio of mean Cmax to mean plasma level of the active ingredient at 24 hours is in the range of 1.5 to 3.5.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: June 4, 2002
    Assignee: Euro-Celtique S.A.
    Inventors: Ronald Brown Miller, Stewart Thomas Leslie, Sandra Therese Antoinette Malkowska, Derek Allan Prater, Trevor John Knott, Hassan Mohammad
  • Patent number: 6326027
    Abstract: A controlled release preparation for oral administration contains tramadol, or a pharmaceutically acceptable salt thereof, as active ingredient.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: December 4, 2001
    Assignee: Euro-Celtique S.A.
    Inventors: Ronald Brown Miller, Sandra Therese Antoinette Malkowska, Walter Wimmer, Udo Hahn, Stewart Thomas Leslie, Kevin John Smith, Horst Winkler, Derek Allan Prater