Patents by Inventor Parveen Bhatarah
Parveen Bhatarah 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: 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: 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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Publication number: 20110046213Abstract: ?9 THC is obtained by extracting ?9 THC and ?9 THC carboxylic acid from plant material using a non-polar solvent and decarboxylating the ?9 THC acid into ?9 THC in the same solvent, without a solvent swap, in the presence of aqueous base. The ?9 THC is then washed to remove inorganic impurities, still in the same original solvent.Type: ApplicationFiled: May 1, 2009Publication date: February 24, 2011Inventors: Parveen Bhatarah, 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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Patent number: 7339060Abstract: A method of preparing cabergoline Form I, comprising forming a solvate including cabergoline and a p-disubstituted benzene of formula (A) or 1,3,5-trimethylbenzene and obtaining cabergoline Form I from the solvate. Another aspect of the present invention provides a method for preparing cabergoline Form I comprising dissolving cabergoline in p-disubstituted benzene or 1,3,5-trimethylbenzene and recovering the cabergoline Form I polymorph, suitably by direct crystallization of Form I or by recovery of a solvate which can be converted to Form I. Another aspect of the present invention provides a novel cabergoline polymorph designated cabergoline Form FB and a method of preparing said polymorph by dissolving or forming a solvate of cabergoline in fluorobenzene and recovering cabergoline Form FB.Type: GrantFiled: November 7, 2005Date of Patent: March 4, 2008Assignee: Resolution Chemicals, Ltd.Inventors: Alan Kenneth Greenwood, Derek McHattie, Parveen Bhatarah, Mahmoud Aloui
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Publication number: 20070197576Abstract: The present application relates to a novel polymorphic form of cabergoline comprising cabergoline and t-amyl methyl ether, designated Form TAME cabergoline, together with a novel method of producing cabergoline.Type: ApplicationFiled: February 7, 2007Publication date: August 23, 2007Applicant: Resolution Chemicals LimitedInventors: Alan Greenwood, Parveen Bhatarah, Raza Mahmood, Derek McHattie
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Patent number: 7238810Abstract: A method of preparing cabergoline Form I, comprising forming a solvate including cabergoline and 4-fluorotoluene or 1,3,5-trimethylbenzene and obtaining cabergoline Form I from the solvate. Another aspect of the present invention provides a method for preparing cabergoline Form I comprising dissolving cabergoline in 4-fluorotoluene or 1,3,5-trimethylbenzene and recovering the cabergoline Form 1 polymorph. Cabergoline Form I can then be obtained from the solution, suitably by direct crystallization of Form I or by recovery of a solvate which can be converted to Form I.Type: GrantFiled: April 7, 2005Date of Patent: July 3, 2007Inventors: Parveen Bhatarah, Derek McHattie, Alan Greenwood, Paul Christopher Marcus Hedger
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Patent number: 7186837Abstract: The present invention discloses a method for preparing cabergoline form I by combining cabergoline and a solvent comprising ethylbenzene to form a solvate and obtaining form I from the solvate. Also disclosed in a method for preparing cabergoline form I by combining cabergoline and a first solvent to form a solution and additionally including a second solvent to the solution, followed by crystallization to form cabergoline form I. Further disclosed is a solvate form of cabergoline comprising cabergoline and ethylbenzene and, optionally, n-heptane.Type: GrantFiled: February 18, 2005Date of Patent: March 6, 2007Assignee: Resolution ChemicalsInventors: Alan Greenwood, Derek McHattie, Parveen Bhatarah, Mark Philip Gamble
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Publication number: 20060280643Abstract: 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: August 19, 2004Publication date: December 14, 2006Applicant: Resolution Chemicals LimitedInventors: Alan Greenwood, Parveen Bhatarah, Gary Hembra, Derek McHattie