Patents Assigned to Resolution Chemicals Limited
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Patent number: 9327039Abstract: 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: GrantFiled: December 28, 2009Date of Patent: May 3, 2016Assignee: Resolution Chemicals LimitedInventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
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Patent number: 8541399Abstract: 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: GrantFiled: February 19, 2003Date of Patent: September 24, 2013Assignee: Resolution Chemicals LimitedInventors: Parveen Bhatarah, Kenneth Alan Greenwood
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Patent number: 8530679Abstract: 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: GrantFiled: February 19, 2008Date of Patent: September 10, 2013Assignee: Resolution Chemicals LimitedInventors: Parveen Bhatarah, Alan Kenneth Greenwood, Derek McHattie, Jerome Thomas Garfield Carr-Brion
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Patent number: 8084501Abstract: 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: GrantFiled: January 20, 2006Date of Patent: December 27, 2011Assignees: Breath Limited, Resolution Chemicals LimitedInventors: Victor Deaciuc, Michael Hagan, Hashem Heiati, Karen K. Jette, Gary C. Visor, Ian G. C. McAffer, Peter Tasko
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Patent number: 8052076Abstract: 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: GrantFiled: September 23, 2010Date of Patent: November 8, 2011Assignee: Resolution Chemicals LimitedInventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
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Publication number: 20110171300Abstract: 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: ApplicationFiled: February 14, 2008Publication date: July 14, 2011Applicant: RESOLUTION CHEMICALS LIMITEDInventors: Parveen Bhatarah, Kevin John Batchelor, Derek Mchattie, Alan Kenneth Greenwood
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Patent number: 7884222Abstract: 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: GrantFiled: March 3, 2004Date of Patent: February 8, 2011Assignee: Resolution Chemicals LimitedInventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah
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Publication number: 20110011959Abstract: 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: ApplicationFiled: September 23, 2010Publication date: January 20, 2011Applicant: RESOLUTION CHEMICALS LIMITEDInventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
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Patent number: 7861957Abstract: 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: GrantFiled: September 2, 2009Date of Patent: January 4, 2011Assignee: Resolution Chemicals LimitedInventors: Alan K. Greenwood, Parveen Bhatarah, Gary Hembra, Derek McHattie
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Publication number: 20100197646Abstract: 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: ApplicationFiled: April 13, 2010Publication date: August 5, 2010Applicant: RESOLUTION CHEMICALS LIMITEDInventors: Parveen Bhatarah, Alan Kenneth Greenwood
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Publication number: 20100099653Abstract: 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: ApplicationFiled: December 28, 2009Publication date: April 22, 2010Applicant: Resolution Chemicals LimitedInventors: Alan K. GREENWOOD, Derek McHattie, Parveen Bhatarah, Gary Hembra
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Publication number: 20100087518Abstract: 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: ApplicationFiled: February 19, 2008Publication date: April 8, 2010Applicant: RESOLUTION CHEMICALS LIMITEDInventors: Parveen Bhatarah, Alan Kenneth Greenwood, Derek Mchattie, Jerome Thomas Garfield Carr-Brion
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Publication number: 20100012114Abstract: 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: ApplicationFiled: September 2, 2009Publication date: January 21, 2010Applicant: RESOLUTION CHEMICALS LIMITEDInventors: ALAN K. GREENWOOD, PARVEEN BHATARAH, GARY HEMBRA, DEREK MCHATTIE
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Patent number: 7644880Abstract: 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: GrantFiled: May 2, 2005Date of Patent: January 12, 2010Assignee: Resolution Chemicals LimitedInventors: Alan K. Greenwood, Derek McHattie, Parveen Bhatarah, Gary Hembra
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Patent number: 7600703Abstract: 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: GrantFiled: August 19, 2004Date of Patent: October 13, 2009Assignee: Resolution Chemicals LimitedInventors: Alan K. Greenwood, Parveen Bhatarah, Gary Hembra, Derek McHattie
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Publication number: 20090253783Abstract: 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: ApplicationFiled: June 18, 2009Publication date: October 8, 2009Applicant: Resolution Chemicals LimitedInventors: Neil John Goodwin, Nicolas James Archer, Christopher Murray, Alan Kenneth Greenwood, Derek Mchattie
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Patent number: 7592468Abstract: ?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: GrantFiled: July 30, 2004Date of Patent: September 22, 2009Assignee: Resolution Chemicals LimitedInventors: Neil J Goodwin, Nicolas J. Archer, Christopher Murray, Alan K. Greenwood, Derek Mchattie
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Patent number: 7524881Abstract: ?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: GrantFiled: February 3, 2003Date of Patent: April 28, 2009Assignee: Resolution Chemicals LimitedInventors: Neil John Goodwin, Nicolas James Archer, Christopher Murray, Alan Kenneth Greenwood, Derek Mchattie
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Patent number: 7498458Abstract: Disclosed are processes for the synthesis and purification of prostaglandins and analogues thereof, especially analogues of PGF2?.Type: GrantFiled: July 27, 2005Date of Patent: March 3, 2009Assignee: Resolution Chemicals LimitedInventors: Alan Kenneth Greenwood, Derek McHattie, David George Thompson, Derek Clissold
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Patent number: 7268239Abstract: Disclosed are processes for the synthesis and purification of prostaglandins and analogues thereof, especially analogues of PGF2?.Type: GrantFiled: July 27, 2005Date of Patent: September 11, 2007Assignee: Resolution Chemicals LimitedInventors: Alan Kenneth Greenwood, Derek McHattie, David George Thompson, Derek Clissold