Patents Assigned to Rubicon Research Private Limited
  • Patent number: 11147767
    Abstract: The present invention relates to gastroretentive formulations and to processes for preparation of the same. Particularly, the invention relates to gastroretentive dosage forms comprising at least one swelling agent and at least one swelling retardant.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: October 19, 2021
    Assignee: RUBICON RESEARCH PRIVATE LIMITED
    Inventor: Pratibha Pilgaonkar
  • Patent number: 10806685
    Abstract: The present invention relates to oral care compositions and to method of maintaining oral health. The oral care composition of the present invention comprises at least one carbon dioxide source, at least one acid source, at least one abrasive and one or more pharmaceutically acceptable excipients.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 20, 2020
    Assignee: RUBICON RESEARCH PRIVATE LIMITED
    Inventors: Pratibha Sudhir Pilgaonkar, Maharukh Tehmasp Rustomjee, Anilkumar Surendrakumar Gandhi
  • Patent number: 10463623
    Abstract: The present invention provides a composition exhibiting delayed transit through the gastrointestinal tract comprising one or more active agents, fenugreek fiber and at least one pharmaceutically acceptable excipient. The present invention further relates to gastroretentive dosage forms comprising fenugreek fibers.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: November 5, 2019
    Assignee: RUBICON RESEARCH PRIVATE LIMITED
    Inventors: Pratibha Sudhir Pilgaonkar, Maharukh Tehmasp Rustomjee, Anilkumar Surendrakumar Gandhi, Rupali Kedar Suvarnapathaki
  • Patent number: 10391060
    Abstract: The present invention provides particulate delivery systems comprising plurality of particles comprising fenugreek gum and at least one pharmaceutically acceptable excipient. The particulate delivery systems of the present invention are used for the delivery of therapeutic, immunologic or diagnostic agents, and the like.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: August 27, 2019
    Assignee: RUBICON RESEARCH PRIVATE LIMITED
    Inventors: Pratibha Pilgaonkar, Anilkumar Gandhi, Paras Jain
  • Patent number: 10286024
    Abstract: An excipient from Trigonella foenum-graceum seeds and a process for preparation thereof is disclosed. The excipient obtained from Trigonella foenum-graceum seeds, comprising insoluble and soluble dietary fibers can be used in various pharmaceutical or cosmetic compositions and food, nutritional or dietary preparations.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: May 14, 2019
    Assignee: RUBICON RESEARCH PRIVATE LIMITED
    Inventors: Pratibha Sudhir Pilgaonkar, Maharukh Tehmasp Rustomjee, Anilkumar Surendrakumar Gandhi
  • Patent number: 10010529
    Abstract: The present invention provides extended release pharmaceutical formulations of valsartan with controlled impurity levels. Particularly, the present invention provides extended release valsartan formulation which is substantially free of valsartan R-isomer impurity.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: July 3, 2018
    Assignees: Ezra Pharma LLC, Rubicon Research Private Limited
    Inventors: Joseph A. Fix, Shirish A. Shah, Pratibha S. Pilgaonkar, Anilkumar S. Gandhi
  • Publication number: 20170326066
    Abstract: The present invention relates to methods and composition for treatment of hypertension. Particularly the present invention provides a method of treating hypertension comprising orally administering once a day to a human patient in need thereof the compound valsartan in an extended release dosage form, wherein said extended release valsartan dosage form reduces mean systolic and diastolic blood pressure in a patient during a time period of about 20 hours to about 24 hours after administration to a greater extent than an immediate release formulation of valsartan.
    Type: Application
    Filed: May 13, 2016
    Publication date: November 16, 2017
    Applicants: Ezra Pharma LLC, Rubicon Research Private Limited
    Inventors: Joseph A. Fix, Shirish A. Shah, Pratibha S. Pilgaonkar, Anilkumar S. Gandhi
  • Publication number: 20170326065
    Abstract: The present invention relates to methods for treatment of cardiovascular conditions selected from high blood pressure, heart failure, or heart attack. The present invention further relates to a method of treating cardiovascular conditions comprising orally administering once a day to a human subject in need thereof the compound valsartan in an extended release dosage form, wherein the ratio of mean plasma concentration of valsartan provided by the extended release dosage form to the mean plasma concentration of valsartan provided by an immediate release dosage form of valsartan over 8 hour to 24 hour period after administration is greater than 1 in a single dose human pharmacokinetic study.
    Type: Application
    Filed: May 13, 2016
    Publication date: November 16, 2017
    Applicants: Ezra Pharma LLC, Rubicon Research Private Limited
    Inventors: Joseph A. Fix, Shirish A. Shah, Pratibha S. Pilgaonkar, Anilkumar S. Gandhi
  • Publication number: 20170290805
    Abstract: The present invention provides extended release pharmaceutical formulations of valsartan with controlled impurity levels. Particularly, the present invention provides extended release valsartan formulation which is substantially free of valsartan R-isomer impurity.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Applicants: Ezra Pharma LLC, Rubicon Research Private Limited
    Inventors: Joseph A. Fix, Shirish A. Shah, Pratibha S. Pilgaonkar, Anilkumar S. Gandhi
  • Publication number: 20170273946
    Abstract: The present invention relates to coated extended release pharmaceutical formulations of valsartan comprising a core comprising valsartan and at least one coating layer over the core. The present invention further relates to extended release pharmaceutical formulations comprising (a) a core comprising valsartan and at least one hydrophilic swelling polymer and (b) at least one coating layer over the core wherein the coating layer in contact with the core is applied from an organic solvent based system.
    Type: Application
    Filed: June 12, 2017
    Publication date: September 28, 2017
    Applicants: Ezra Pharma LLC, Rubicon Research Private Limited
    Inventors: Joseph A. Fix, Shirish A. Shah, Pratibha S. Pilgaonkar, Anilkumar S. Gandhi
  • Patent number: 9687475
    Abstract: The present invention provides extended release pharmaceutical formulations of valsartan with controlled impurity levels. Particularly, the present invention provides extended release valsartan formulation which is substantially free of valsartan R-isomer impurity.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: June 27, 2017
    Assignees: Ezra Pharma LLC, Rubicon Research Private Limited
    Inventors: Joseph A. Fix, Shirish A. Shah, Pratibha S. Pilgaonkar, Anilkumar S. Gandhi
  • Patent number: 9675585
    Abstract: The present invention relates to coated extended release pharmaceutical formulations of valsartan comprising a core comprising valsartan and at least one coating layer over the core. The present invention further relates to extended release pharmaceutical formulations comprising (a) a core comprising valsartan and at least one hydrophilic swelling polymer and (b) at least one coating layer over the core wherein the coating layer in contact with the core is applied from an organic solvent based system.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: June 13, 2017
    Assignees: Ezra Pharma, Rubicon Research Private Limited
    Inventors: Joseph A. Fix, Shirish A. Shah, Pratibha S. Pilgaonkar, Anilkumar S. Gandhi
  • Patent number: 9629915
    Abstract: The novel sustained release dosage form comprising an active agent and a combination of a non-swelling pH dependent release retardant and a non swelling pH independent release retardant polymer which provides pH-independent drug release for a considerable period of time after administration.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: April 25, 2017
    Assignee: Rubicon Research Private Limited
    Inventors: Pratibha S Pilgaonkar, Maharukh T Rustomjee, Anilkumar S Gandhi, Paras R Jain, Atul A Kelkar
  • Patent number: 9198862
    Abstract: Disclosed herein is a dispersible tablet composition including a pharmacologically active ingredient and at least one excipient that reduces the sedimentation rate of the active ingredient and a process for preparing the same.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: December 1, 2015
    Assignee: Rubicon Research Private Limited
    Inventors: Pratibha Sudhir Pilgaonkar, Maharukh Tehmasp Rustomjee, Anilkumar Surendrakumar Gandhi, Pradnya Bagde, Varsha Barve
  • Patent number: 8920837
    Abstract: The novel sustained release dosage form comprising an active agent and a combination of a non-swelling pH dependent release retardant and a non swelling pH independent release retardant polymer which provides pH-independent drug release for a considerable period of time after administration.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: December 30, 2014
    Assignee: Rubicon Research Private Limited
    Inventors: Pratibha S. Pilgaonkar, Maharukh T. Rustomjee, Anilkumar S. Gandhi, Paras R. Jain, Atul A. Kelkar
  • Publication number: 20140227202
    Abstract: The present invention relates to oral care compositions and to method of maintaining oral health. The oral care composition of the present invention comprises at least one carbon dioxide source, at least one acid source, at least one abrasive and one or more pharmaceutically acceptable excipients.
    Type: Application
    Filed: September 28, 2012
    Publication date: August 14, 2014
    Applicant: RUBICON RESEARCH PRIVATE LIMITED
    Inventors: Pratibha Sudhir Pilgaonkar, Maharukh Tehmasp Rustomjee, Anilkumar Surendrakumar Gandhi
  • Publication number: 20130336945
    Abstract: The present invention relates to stable pharmaceutical compositions of tetrahydrobiopterin and processes for producing such compositions. Particularly the present invention relates to stable pharmaceutical compositions comprising tetrahydrobiopterin and at least one stabilizing agent.
    Type: Application
    Filed: March 1, 2013
    Publication date: December 19, 2013
    Applicant: RUBICON RESEARCH PRIVATE LIMITED
    Inventors: Maharukh Tehmasp Rustomjee, Anilkumar Surendrakumar Gandhi
  • Patent number: 8545890
    Abstract: The present invention describes a directly compressible composite excipient prepared by coating calcium silicate with a carbohydrate. The present invention further describes the incorporation of the composite excipient into a tablet formulation. The orally disintegrating tablets are of optimal mechanical strength and disintegrate within 60 seconds in the oral cavity.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: October 1, 2013
    Assignee: Rubicon Research Private Limited
    Inventors: Pratibha Pilgaonkar, Maharukh Rustomjee, Anilkumar Gandhi, Pradnya M. Bagde
  • Publication number: 20130230587
    Abstract: Sustained release compositions comprising plurality of sustained release beads are disclosed. Particularly the sustained release beads comprise coated drug-resin complexes comprising drug-resin complexes of at least one active agent and at least one ion-exchange resin; coated with at least one release modifier.
    Type: Application
    Filed: November 10, 2010
    Publication date: September 5, 2013
    Applicant: Rubicon Research Private Limited
    Inventors: Pratibha Sudhir Pilgaonkar, Maharukh Tehmasp Rustomjee, Anikumar Surendrakumar Gandhi
  • Publication number: 20130078290
    Abstract: The present invention relates to gastroretentive dosage forms of gamma aminobutyric acid (“GABA”) analogs, and to processes for preparation of the same. The present invention provides gastroretentive dosage forms comprising GABA analog, at least one swelling agent and at least one non-swelling release retardant.
    Type: Application
    Filed: June 1, 2011
    Publication date: March 28, 2013
    Applicant: Rubicon Research Private Limited
    Inventors: Pratibha Sudhir Pilgaonkar, Maharukh Tehmasp Rustomjee, Anilkumar Surendrakumar Gandhi