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).

  • 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: 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
  • Publication number: 20110046213
    Abstract: ?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: Application
    Filed: May 1, 2009
    Publication date: February 24, 2011
    Inventors: Parveen Bhatarah, 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
  • Patent number: 7339060
    Abstract: 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: Grant
    Filed: November 7, 2005
    Date of Patent: March 4, 2008
    Assignee: Resolution Chemicals, Ltd.
    Inventors: Alan Kenneth Greenwood, Derek McHattie, Parveen Bhatarah, Mahmoud Aloui
  • Publication number: 20070197576
    Abstract: 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: Application
    Filed: February 7, 2007
    Publication date: August 23, 2007
    Applicant: Resolution Chemicals Limited
    Inventors: Alan Greenwood, Parveen Bhatarah, Raza Mahmood, Derek McHattie
  • Patent number: 7238810
    Abstract: 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: Grant
    Filed: April 7, 2005
    Date of Patent: July 3, 2007
    Inventors: Parveen Bhatarah, Derek McHattie, Alan Greenwood, Paul Christopher Marcus Hedger
  • Patent number: 7186837
    Abstract: 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: Grant
    Filed: February 18, 2005
    Date of Patent: March 6, 2007
    Assignee: Resolution Chemicals
    Inventors: Alan Greenwood, Derek McHattie, Parveen Bhatarah, Mark Philip Gamble
  • Publication number: 20060280643
    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: August 19, 2004
    Publication date: December 14, 2006
    Applicant: Resolution Chemicals Limited
    Inventors: Alan Greenwood, Parveen Bhatarah, Gary Hembra, Derek McHattie