Patents by Inventor Ajay Kumar Singla

Ajay Kumar Singla 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).

  • Osmotic floating tablets
    Patent number: 9861585
    Abstract: The present invention relates to an osmotic floating tablet comprising: (i) an inner core comprising a drug, one or more low density polymers, and one or more pharmaceutically acceptable excipients; and (ii) an outer osmotic coating surrounding the inner core that is substantially permeable to surrounding fluids and substantially impermeable to the drug. The present invention also relates to processes for the preparation of said tablets.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: January 9, 2018
    Assignee: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Varinder Kumar, Shavej Ahmad, Romi Barat Singh, Ajay Kumar Singla
  • Pharmaceutical compositions of rifaximin
    Patent number: 9849090
    Abstract: The present invention relates to stable pharmaceutical compositions comprising rifaximin and processes for their preparation.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: December 26, 2017
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Ajay Kumar Singla, Mukesh Kumar Garg, Sumit Saha, Swati Aggrawal
  • Pharmaceutical gastro-retentive solid oral dosage form of nilotinib
    Patent number: 9682081
    Abstract: The present invention relates to a pharmaceutical gastro-retentive solid oral dosage form comprising nilotinib as the active ingredient. The invention is further related to methods of preparing said dosage form.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: June 20, 2017
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Anuj Kumar Fanda, Ravish Sharma, Kumaravel Vivek, Lalit Kumar Khurana, Shavej Ahmad, Romi Barat Singh, Ajay Kumar Singla
  • ORAL PHARMACEUTICAL COMPOSITION OF TOFACITINIB
    Publication number: 20170151244
    Abstract: The present invention relates to a dry process for the preparation of pharmaceutical compositions of tofacitinib comprising tofacitinib and one or more pharmaceutically acceptable excipients. Dry processes, such as direct compression or dry granulation, involve fewer and simpler process steps, thus preventing the loss of the active ingredient during processing.
    Type: Application
    Filed: June 23, 2015
    Publication date: June 1, 2017
    Inventors: Sumit SAHA, Swati AGGRAWAL, Mukesh Kumar GARG, Ajay Kumar SINGLA
  • PULSATILE-RELEASE DOSAGE FORM
    Publication number: 20160193155
    Abstract: The present invention relates to pulsatile-release dosage forms wherein said dosage forms provide pH-independent pulsatile-release of a drug after a predetermined lag time. It also relates to processes for the preparation of said pulsatile-release dosage forms.
    Type: Application
    Filed: August 28, 2014
    Publication date: July 7, 2016
    Inventors: Vivek SHARMA, Varinder KUMAR, Lalit Kumar KHURANA, Shavej AHMAD, Romi Barat SINGH, Ajay Kumar SINGLA
  • EXTENDED-RELEASE PHARMACEUTICAL COMPOSITIONS OF METOPROLOL
    Publication number: 20160143864
    Abstract: The present invention relates to timed extended-release pharmaceutical compositions comprising metoprolol and an extended-release polymer. The pharmaceutical compositions of the present invention exhibit an in-vivo lag time of at least 2 hours as and a Tmax of more than 8 hours. Further, said pharmaceutical compositions provide an in-vitro release of metoprolol over a period of at least 20 hours.
    Type: Application
    Filed: July 9, 2014
    Publication date: May 26, 2016
    Inventors: Sandeep Kumar VATS, Balaram MONDAL, Kalaiselvan RAMARAJU, Romi Barat SINGH, Ajay Kumar SINGLA
  • PHARMACEUTICAL GASTRO-RETENTIVE SOLID ORAL DOSAGE FORM OF NILOTINIB
    Publication number: 20160106748
    Abstract: The present invention relates to a pharmaceutical gastro-retentive solid oral dosage form comprising nilotinib as the active ingredient. The invention is further related to methods of preparing said dosage form.
    Type: Application
    Filed: April 25, 2014
    Publication date: April 21, 2016
    Inventors: Anuj Kumar FANDA, Ravish SHARMA, Kumaravel VIVEK, Lalit Kumar KHURANA, Shavej AHMAD, Romi Barat SINGH, Ajay Kumar SINGLA
  • PHARMACEUTICAL COMPOSITIONS OF RIFAXIMIN
    Publication number: 20150313848
    Abstract: The present invention relates to stable pharmaceutical compositions comprising rifaximin and processes for their pre-paration.
    Type: Application
    Filed: December 11, 2013
    Publication date: November 5, 2015
    Applicant: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Ajay Kumar SINGLA, Mukesh Kumar GARG, Sumit SAHA, Swati AGGRAWAL
  • OSMOTIC FLOATING TABLETS
    Publication number: 20150231084
    Abstract: The present invention relates to an osmotic floating tablet comprising: (i) an inner core comprising a drug, one or more low density polymers, and one or more pharmaceutically acceptable excipients; and (ii) an outer osmotic coating surrounding the inner core that is substantially permeable to surrounding fluids and substantially impermeable to the drug. The present invention also relates to processes for the preparation of said tablets.
    Type: Application
    Filed: October 15, 2013
    Publication date: August 20, 2015
    Inventors: Varinder Kumar, Shavej Ahmad, Romi Barat Singh, Ajay Kumar Singla
  • IN-SITU MULTILAYERED TABLET TECHNOLOGY
    Publication number: 20140377347
    Abstract: The present invention relates to an in-situ multilayered tablet comprising at least one polymer layers and at least one drug layers wherein the said layers are physically separated from each other. After coming in contact with biological and/or aqueous fluids at least one of the polymer layers rapidly swells and sticks to one or more drug layers to form an in-situ multilayered tablet. Further, the polymer layer may optionally comprise a drug. Furthermore, the present invention relates to the processes for preparing said in-situ multilayered tablets.
    Type: Application
    Filed: January 23, 2013
    Publication date: December 25, 2014
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Kumaravel Vivek, Anuj Kumar Fanda, Murali Krishna, Ravish Kumar Sharma, Kanwarpreet Singh Bakshi, Romi Barat Singh, Ajay Kumar Singla
  • MULTI-LAYERED, MULTIPLE UNIT PHARMACEUTICAL COMPOSITIONS
    Publication number: 20140112995
    Abstract: The present invention relates to pharmaceutical compositions comprising multilayered multiple units and processes for the preparation thereof.
    Type: Application
    Filed: December 23, 2013
    Publication date: April 24, 2014
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Murali Krishna BHAVARISETTI, Kanwarpreet Singh BAKSHI, Sreekanth NARRAVULA, Romi Barat SINGH, Ajay Kumar SINGLA
  • FEBUXOSTAT COMPOSITIONS
    Publication number: 20140093563
    Abstract: The present invention relates to an oral pharmaceutical composition of febuxostat which comprises an intragranular component and an extragranular component. Further, it relates to processes for the preparation of said composition and a method of using said composition.
    Type: Application
    Filed: December 5, 2013
    Publication date: April 3, 2014
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Abhishek SRIVASTAVA, Surajit N. DAS, Mukesh Kumar GARG, Ajay Kumar SINGLA, Amit GUPTA, Prakash A. JADHAV
  • PHARMACEUTICAL COMPOSITION COMPRISING PHENTERMINE AND TOPIRAMATE
    Publication number: 20130251793
    Abstract: This invention relates to a pharmaceutical composition comprising a combination of phentermine in an immediate-release form and topiramate in an extended-release form. Further, it relates to processes for the preparation of the composition and a method of using the composition.
    Type: Application
    Filed: March 21, 2013
    Publication date: September 26, 2013
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Anuj Kumar FANDA, Kumaravel VIVEK, Ravish SHARMA, Romi Barat SINGH, Ajay Kumar SINGLA
  • PHARMACEUTICAL COMPOSITIONS CONTAINING A BIGUANIDE AND A LOW DOSE ANTIDIABETIC AGENT
    Publication number: 20130251795
    Abstract: The present invention relates to pharmaceutical compositions that include a combination of a biguanide present in an extended-release form and a low dose antidiabetic agent present in an immediate-release form. The present invention further relates to processes for preparing such compositions.
    Type: Application
    Filed: May 13, 2013
    Publication date: September 26, 2013
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sandeep Kumar VATS, Balaram MONDAL, Kalaiselvan RAMARAJU, Romi Barat SINGH, Ajay Kumar SINGLA
  • PHARMACEUTICAL COMPOSITION OF DONEPEZIL
    Publication number: 20120329831
    Abstract: The present invention relates to a pharmaceutical composition of donepezil or pharmaceutically acceptable salts thereof comprising ethyl cellulose and methacrylic acid copolymer in a ratio of more than 1.3. Further, it relates to process for preparation of said composition.
    Type: Application
    Filed: June 22, 2012
    Publication date: December 27, 2012
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Anuj Kumar FANDA, Kumaravel VIVEK, Romi Barat SINGH, Ajay Kumar SINGLA
  • PULSATILE RELEASE PHARMACEUTICAL FORMULATION OF DEXLANSOPRAZOLE
    Publication number: 20120164233
    Abstract: The present invention relates to a pulsatile-release pharmaceutical formulation of dexlansoprazole composed of a single type of enteric coated pellets and the process for the preparation thereof.
    Type: Application
    Filed: July 28, 2011
    Publication date: June 28, 2012
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Ankur BHARGAVA, Sachin ARORA, Ajay Kumar SINGLA
  • CIPROFLOXACIN ORAL SUSPENSION
    Publication number: 20110236494
    Abstract: The present invention relates to oral taste masked pharmaceutical composition comprising ciprofloxacin or salts or esters thereof. It further relates to processes of preparing it.
    Type: Application
    Filed: February 25, 2011
    Publication date: September 29, 2011
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sumit Kumar SAHA, Mona DHALIWAL, Swati AGGRAWAL, Mukesh Kumar GARG, Ajay Kumar SINGLA
  • Pharmaceutical compositions for topical delivery of cyclooxygenase-2 enzyme inhibitors
    Publication number: 20040029946
    Abstract: The present invention relates to a pharmaceutical composition for topical delivery comprising a pharmaceutically effective amount of drug(s) that acts selectively as a cyclooxygenase-2 enzyme inhibitor.
    Type: Application
    Filed: July 28, 2003
    Publication date: February 12, 2004
    Inventors: Virod Kumar Arora, Ajay Kumar Singla, Mukesh Kumar