Patents Assigned to Resolution Chemicals Limited
  • Patent number: 9327039
    Abstract: A sterilizable particle-size reduction apparatus, component parts thereof and a method of sterilizing and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: May 3, 2016
    Assignee: Resolution Chemicals Limited
    Inventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
  • Patent number: 8541399
    Abstract: A sterile composition of a pharmaceutical compound is prepared by combining solvent with a non-sterile pharmaceutical compound to form a solution and filtering to yield a sterile pharmaceutical compound, optionally removing all or part of the solvent, and under sterile conditions combining the compound with a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: September 24, 2013
    Assignee: Resolution Chemicals Limited
    Inventors: Parveen Bhatarah, Kenneth Alan Greenwood
  • Patent number: 8530679
    Abstract: The present invention provides a process for handling ?9-THC, which comprises preparing a solution of ?9-THC in a solvent which exists as a gas at room temperature and atmospheric pressure. The invention also provides solutions of ?9-THC in the solvent and solid preparations of ?9-THC.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: September 10, 2013
    Assignee: Resolution Chemicals Limited
    Inventors: Parveen Bhatarah, Alan Kenneth Greenwood, Derek McHattie, Jerome Thomas Garfield Carr-Brion
  • Patent number: 8084501
    Abstract: A pharmaceutical composition containing a prostaglandin and an alkanoic acid ester of a polyethoxylated sorbitol in an amount effective to enhance the chemical stability of the prostaglandin, and the use thereof for treating ophthalmic conditions. Also disclosed are methods for enhancing the chemical stability of a prostaglandin-containing composition by using an alkanoic acid ester of a polyethoxylated sorbitol.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: December 27, 2011
    Assignees: Breath Limited, Resolution Chemicals Limited
    Inventors: Victor Deaciuc, Michael Hagan, Hashem Heiati, Karen K. Jette, Gary C. Visor, Ian G. C. McAffer, Peter Tasko
  • Patent number: 8052076
    Abstract: A sterilizable particle-size reduction apparatus, component parts thereof and a method of sterilizing and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: November 8, 2011
    Assignee: Resolution Chemicals Limited
    Inventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
  • Publication number: 20110171300
    Abstract: A compound of formula (I) wherein R is selected from (i) a 5 to 7 membered heterocyclic ring containing 1 to 3 heteroatoms independently selected from nitrogen, oxygen and sulfur, which is optionally substituted by one or more groups independently selected from halo, CN, NO2, (C1-C6)alkyl, (C1-C6)alkoxy and phenyl; (ii) (C1-C6)alkyl, which is optionally substituted by one or more substituents each independently selected from halo, oxo, CN, NO2, (C1-C6)alkyl, (C1-C6)alkoxy and phenyl; (iii) (C1-C6)alkyl substituted by (C3-C13)cycloalkyl, which is optionally substituted by one or more substituents each independently selected from halo, oxo, CN, NO2, (C1-C6)alkyl, (C1-C6)alkoxy and phenyl; and (iv) (C3-C13)cycloalkyl, which is optionally substituted by one or more substituents each independently selected from halo, oxo, CN, NO2, (C1-C6)alkyl, (C1-C6)alkoxy and phenyl.
    Type: Application
    Filed: February 14, 2008
    Publication date: July 14, 2011
    Applicant: RESOLUTION CHEMICALS LIMITED
    Inventors: Parveen Bhatarah, Kevin John Batchelor, Derek Mchattie, Alan Kenneth Greenwood
  • Patent number: 7884222
    Abstract: A process for the syntheses of 17?-hydroxy-7?-methyl-19-nor-17?-pregn-5(10)-ene-20-yne-3-one (tibolone, 11) and intermediates useful for the synthesis thereof.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: February 8, 2011
    Assignee: Resolution Chemicals Limited
    Inventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah
  • Publication number: 20110011959
    Abstract: A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilising and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Application
    Filed: September 23, 2010
    Publication date: January 20, 2011
    Applicant: RESOLUTION CHEMICALS LIMITED
    Inventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
  • Patent number: 7861957
    Abstract: A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilising and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: January 4, 2011
    Assignee: Resolution Chemicals Limited
    Inventors: Alan K. Greenwood, Parveen Bhatarah, Gary Hembra, Derek McHattie
  • Publication number: 20100197646
    Abstract: A sterile composition of a pharmaceutical compound is prepared by combining solvent with a non-sterile pharmaceutical compound to form a solution and filtering to yield a sterile pharmaceutical compound, optionally removing all or part of the solvent, and under sterile conditions combining the compound with a pharmaceutically acceptable carrier.
    Type: Application
    Filed: April 13, 2010
    Publication date: August 5, 2010
    Applicant: RESOLUTION CHEMICALS LIMITED
    Inventors: Parveen Bhatarah, Alan Kenneth Greenwood
  • Publication number: 20100099653
    Abstract: A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilising and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Application
    Filed: December 28, 2009
    Publication date: April 22, 2010
    Applicant: Resolution Chemicals Limited
    Inventors: Alan K. GREENWOOD, Derek McHattie, Parveen Bhatarah, Gary Hembra
  • Publication number: 20100087518
    Abstract: The present invention provides a process for handling ?9-THC, which comprises preparing a solution of ?9-THC in a solvent which exists as a gas at room temperature and atmospheric pressure. The invention also provides solutions of ?9-THC in the solvent and solid preparations of ?9-THC.
    Type: Application
    Filed: February 19, 2008
    Publication date: April 8, 2010
    Applicant: RESOLUTION CHEMICALS LIMITED
    Inventors: Parveen Bhatarah, Alan Kenneth Greenwood, Derek Mchattie, Jerome Thomas Garfield Carr-Brion
  • Publication number: 20100012114
    Abstract: A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilising and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Application
    Filed: September 2, 2009
    Publication date: January 21, 2010
    Applicant: RESOLUTION CHEMICALS LIMITED
    Inventors: ALAN K. GREENWOOD, PARVEEN BHATARAH, GARY HEMBRA, DEREK MCHATTIE
  • Patent number: 7644880
    Abstract: A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilising and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: January 12, 2010
    Assignee: Resolution Chemicals Limited
    Inventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
  • Patent number: 7600703
    Abstract: A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilizing and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: October 13, 2009
    Assignee: Resolution Chemicals Limited
    Inventors: Alan K. Greenwood, Parveen Bhatarah, Gary Hembra, Derek McHattie
  • Publication number: 20090253783
    Abstract: The present invention provides isolated, purified ?9 THC. In another embodiment, the invention provides pharmaceutical compositions comprising isolated, purified ?9 THC and a pharmaceutically acceptable carrier. In another embodiment, the invention provides methods of preparing pharmaceutical compositions comprising isolated, purified ?9 THC and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: June 18, 2009
    Publication date: October 8, 2009
    Applicant: Resolution Chemicals Limited
    Inventors: Neil John Goodwin, Nicolas James Archer, Christopher Murray, Alan Kenneth Greenwood, Derek Mchattie
  • Patent number: 7592468
    Abstract: ?9 THC acid is obtained from plant material and extracted into an aqueous solvent under conditions of pH control. The acid is converted to a salt and the salt extracted into a polar solvent, yielding acid of high purity. The ?9 THC acid is then converted to ?9 THC which is further purified and combined with a carrier for pharmaceutical use.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: September 22, 2009
    Assignee: Resolution Chemicals Limited
    Inventors: Neil J Goodwin, Nicolas J. Archer, Christopher Murray, Alan K. Greenwood, Derek Mchattie
  • Patent number: 7524881
    Abstract: ?9 THC acid is obtained from plant material and extracted into an aqueous solvent under conditions of pH control. The acid is converted to a salt and the salt extracted into a polar solvent, yielding acid of high purity. The ?9 THC acid is then converted to ?9 THC which is further purified and combined with a carrier for pharmaceutical use.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: April 28, 2009
    Assignee: Resolution Chemicals Limited
    Inventors: Neil John Goodwin, Nicolas James Archer, Christopher Murray, Alan Kenneth Greenwood, Derek Mchattie
  • Patent number: 7498458
    Abstract: Disclosed are processes for the synthesis and purification of prostaglandins and analogues thereof, especially analogues of PGF2?.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: March 3, 2009
    Assignee: Resolution Chemicals Limited
    Inventors: Alan Kenneth Greenwood, Derek McHattie, David George Thompson, Derek Clissold
  • Patent number: 7268239
    Abstract: Disclosed are processes for the synthesis and purification of prostaglandins and analogues thereof, especially analogues of PGF2?.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: September 11, 2007
    Assignee: Resolution Chemicals Limited
    Inventors: Alan Kenneth Greenwood, Derek McHattie, David George Thompson, Derek Clissold