Patents by Inventor Yashoraj Rupsinh Zala

Yashoraj Rupsinh Zala 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: 8187633
    Abstract: The present invention relates to a tablet composed of a core and a coating; said core is formed by two or more layers, wherein at least one of them contains an active agent (3). Wherein one of said layers is formulated as a swellable composition (2), the other one (4) is composed of inert compounds retaining its size at least until the coated tablet is emptied from the stomach. The coating composition is selected from the group comprising water insoluble polymers, ph dependent polymers or mixtures thereof. The active agent is released after rupture of the coating.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: May 29, 2012
    Assignee: Sun Pharma Advanced Research Company Limited
    Inventors: Nitin Bhalachandra Dharmadhikari, Yashoraj Rupsinh Zala
  • Patent number: 8163306
    Abstract: An oral drug delivery system comprising a coated tablet having one or more surfaces. The coated tablet further comprises a core and a coating surrounding the core. The core comprises an active ingredient composition comprising at least one active ingredient and a pharmaceutically acceptable excipient and a composition selected from a swellable composition and a reactive composition located in an immediate vicinity of one or more preselected surfaces. The coating is operable to be reliably removed fully from the one or more of the preselected surfaces of the tablet upon contact with an aqueous environment, but not removed from at least one of the surfaces.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: April 24, 2012
    Assignee: Sun Pharma Advanced Research Company
    Inventors: Nitin Bhalachandra Dharmadhikari, Yashoraj Rupsinh Zala, Amarjit Singh
  • Publication number: 20110250271
    Abstract: The present invention provides to a method of administration of two or more therapeutically active agents comprising orally administering to a patient a spaced drug delivery system, wherein the time of release of the two or more therapeutically active agents is designed to provide desired control on the disease condition. The present invention also provides a method of administration of two or more therapeutically active agents comprising orally administering to a patient a spaced drug delivery system at a specified time prior to food intake by the patient. The present invention further provides a spaced drug delivery system that releases two or more antidiabetic agents at different times after oral administration, for the treatment of diabetes mellitus or conditions associated with diabetes mellitus.
    Type: Application
    Filed: June 17, 2011
    Publication date: October 13, 2011
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Dilip Shantilal Shanghvi, Kirti Wardhaman Ganorkar, Yashoraj Rupsinh Zala, Nitin Bhalachandra Dharmadhikari, Satish C. Khanna
  • Publication number: 20110207794
    Abstract: The present invention relates to an oral controlled release pharmaceutical composition in the form of a unit dosage form comprising: (a) a highly soluble high dose active ingredient consisting essentially of therapeutically effective amount of levetiracetam or a pharmaceutically acceptable derivative thereof, and (b) a rate controlling means comprising a rate-controlling agent and/or a coating selected from (i) a active ingredient permeable coating surrounding the unit dosage form, and (ii) an active ingredient impermeable coating covering one or more surfaces but not all the surfaces of the unit dosage form, wherein the composition is in the form of a compact tablet and the levetiracetam or a pharmaceutically acceptable derivative thereof is present in an amount ranging from about 55% to about 90% by weight of the tablet.
    Type: Application
    Filed: May 6, 2011
    Publication date: August 25, 2011
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.
    Inventors: Yashoraj Rupsinh ZALA, Nitin Bhalachandra DHARMADHIKARI
  • Publication number: 20110206767
    Abstract: The present invention relates to an oral controlled release pharmaceutical composition in the form of a unit dosage form comprising: (a) a highly soluble high dose active ingredient consisting essentially of therapeutically effective amount of levetiracetam or a pharmaceutically acceptable derivative thereof, and (b) a rate controlling means comprising a rate-controlling agent and/or a coating selected from (i) a active ingredient permeable coating surrounding the unit dosage form, and (ii) an active ingredient impermeable coating covering one or more surfaces but not all the surfaces of the unit dosage form, wherein the composition is in the form of a compact tablet and the levetiracetam or a pharmaceutically acceptable derivative thereof is present in an amount ranging from about 55% to about 90% by weight of the tablet.
    Type: Application
    Filed: May 6, 2011
    Publication date: August 25, 2011
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.
    Inventors: Yashoraj Rupsinh ZALA, Nitin Bhalachandra DHARMADHIKARI
  • Publication number: 20110200671
    Abstract: The present invention discloses a method of treating a disease condition susceptible to baclofen therapy, said method comprising orally administering once-a-day in the evening a controlled release drug delivery system comprising baclofen or its pharmaceutically acceptable salt or its derivatives and pharmaceutically acceptable excipients.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 18, 2011
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.
    Inventors: Nitin Bhalachandra DHARMADHIKARI, Yashoraj Rupsinh Zala
  • Patent number: 7964216
    Abstract: The present invention provides to a method of administration of two or more therapeutically active agents comprising orally administering to a patient a spaced drug delivery system, wherein the time of release of the two or more therapeutically active agents is designed to provide desired control on the disease condition. The present invention also provides a method of administration of two or more therapeutically active agents comprising orally administering to a patient a spaced drug delivery system at a specified time prior to food intake by the patient. The present invention further provides a spaced drug delivery system that releases two or more antidiabetic agents at different times after oral administration, for the treatment of diabetes mellitus or conditions associated with diabetes mellitus.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: June 21, 2011
    Assignee: Sun Pharma Advanced Research Company Limited
    Inventors: Dilip Shantilal Shanghvi, Kirti Wardhaman Ganorkar, Yashoraj Rupsinh Zala, Nitin Bhalachandra Dharmadhikari, Satish C Khanna
  • Publication number: 20090208572
    Abstract: A method of reducing the risk of alcohol-induced dose-dumping of a therapeutically active ingredient comprising administering to human subjects who have ingested alcohol an oral controlled release tablet; said tablet comprising: a core comprising an upper compressed layer comprising a swelling agent, and a lower compressed layer comprising at least one therapeutically active ingredient, and pharmaceutically acceptable excipient wherein at least one excipient is a release rate controlling excipient and wherein the percent by weight of excipients that are soluble in alcohol does not exceed 35% by weight of the layer and; a coating surrounding the said core, the coating comprising a polymer insoluble in an aqueous medium comprising from 0% v/v to 40% v/v of alcohol, whereby upon contact with aqueous gastrointestinal fluids, the upper compressed layer swells to cause removal of the coating from the upper surface of the upper compressed layer and then said upper layer disintegrates allowing the release of th
    Type: Application
    Filed: February 17, 2009
    Publication date: August 20, 2009
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Nitin Bhalachandra Dharmadhikari, Yashoraj Rupsinh Zala
  • Publication number: 20090123541
    Abstract: The present invention relates to an oral controlled release pharmaceutical composition in the form of a unit dosage form comprising: (a) a highly soluble high dose active ingredient consisting essentially of therapeutically effective amount of levetiracetam or a pharmaceutically acceptable derivative thereof, and (b) a rate controlling means comprising a rate-controlling agent and/or a coating selected from (i) a active ingredient permeable coating surrounding the unit dosage form, and (ii) an active ingredient impermeable coating covering one or more surfaces but not all the surfaces of the unit dosage form, wherein the composition is in the form of a compact tablet and the levetiracetam or a pharmaceutically acceptable derivative thereof is present in an amount ranging from about 55% to about 90% by weight of the tablet.
    Type: Application
    Filed: February 22, 2006
    Publication date: May 14, 2009
    Applicant: Sun Pharmaceutical Industries Limited
    Inventors: Yashoraj Rupsinh Zala, Nitin Bhalachandra Dharmadhikari
  • Publication number: 20080241238
    Abstract: The present invention relates to a tablet composed of a core and a coating; said core is formed by two or more layers, wherein at least one of them contains an active agent (3). Wherein one of said layers is formulated as a swellable composition (2), the other one (4) is composed of inert compounds retaining its size at least until the coated tablet is emptied from the stomach. The coating composition is selected from the group comprising water insoluble polymers, ph dependent polymers or mixtures thereof. The active agent is released after rupture of the coating.
    Type: Application
    Filed: November 3, 2006
    Publication date: October 2, 2008
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Nitin Bhalachandra Dharmadhikari, Yashoraj Rupsinh Zala
  • Publication number: 20080213381
    Abstract: The present invention provides an oral drug delivery system comprising— a. a core comprising an active ingredient composition comprising therapeutically effective amount of at least one active ingredient and a pharmaceutically acceptable excipient, and b. a coating surrounding the core, said coating comprising a water-insoluble polymer and a pH-dependent polymer, wherein the oral drug delivery system is in the form of a coated tablet and includes a feature such that after a predetermined delay the coating is reliably removed fully or partially from one or more of the tablet surfaces upon contact with intestinal fluids, further wherein the feature is that the core further comprises a composition selected from a swellable composition and a reactive composition located in the immediate vicinity of one or more preselected surfaces from which the coating is desired to be fully or partially removed, wherein the coating is not removed from at least one of the surfaces.
    Type: Application
    Filed: March 14, 2006
    Publication date: September 4, 2008
    Applicant: PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Nitin Bhalachandra Dharmadhikari, Yashoraj Rupsinh Zala
  • Publication number: 20080138410
    Abstract: An oral drug delivery system comprising a coated tablet having one or more surfaces. The coated tablet further comprises a core and a coating surrounding the core. The core comprises an active ingredient composition comprising at least one active ingredient and a pharmaceutically acceptable excipient and a composition selected from a swellable composition and a reactive composition located in an immediate vicinity of one or more preselected surfaces. The coating comprising water insoluble polymer(s) and leachable component(s) is operable to be reliably removed fully from the one or more of the preselected surfaces of the tablet upon contact with an aqueous environment, but not removed from at least one of the surfaces.
    Type: Application
    Filed: November 28, 2007
    Publication date: June 12, 2008
    Applicant: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Nitin Bhalachandra DHARMADHIKARI, Yashoraj Rupsinh Zala, Amarjit Singh
  • Publication number: 20080107732
    Abstract: The present invention provides a novel gastric retention system in the form of a tablet or a capsule coated with an expandable coating, more particularly, with an expandable coating comprising a film-forming polymer and an expandable component.
    Type: Application
    Filed: March 24, 2005
    Publication date: May 8, 2008
    Inventors: Nitin Bhalachandra Dharmadhikari, Yashoraj Rupsinh Zala
  • Publication number: 20040156900
    Abstract: The present invention provides a timed pulse release composition comprising: a. a core composition comprising a therapeutically active agent, a swelling agent, and optionally water soluble compound(s) for inducing osmosis, and b. a coat composition comprising one or more film forming polymers, wherein upon imbibing fluid from the surrounding the core swells, and the coat ruptures to release in a pulse, the therapeutically active agent in a reliable manner at about a predetermined time wherein the reliable manner of rupture comprises rupturing of 36 tablets out of a total of 36 tablets at about the predetermined time when tested by subjecting the tablets to USP dissolution test using an aqueous media at 37±0.5oC, in a USP Type I or Type II apparatus at an rpm selected from the range of about 50 rpm to about 100 rpm.
    Type: Application
    Filed: October 9, 2003
    Publication date: August 12, 2004
    Inventors: Dilip Shantilal Shanghvi, Nitin Bhalachandra Dharmadhikari, Yashoraj Rupsinh Zala, Satish C. Khanna
  • Publication number: 20040086562
    Abstract: The present invention provides to a method of administration of two or more therapeutically active agents comprising orally administering to a patient a spaced drug delivery system, wherein the time of release of the two or more therapeutically active agents is designed to provide desired control on the disease condition. The present invention also provides a method of administration of two or more therapeutically active agents comprising orally administering to a patient a spaced drug delivery system at a specified time prior to food intake by the patient. The present invention further provides a spaced drug delivery system that releases two or more antidiabetic agents at different times after oral administration, for the treatment of diabetes mellitus or conditions associated with diabetes mellitus.
    Type: Application
    Filed: November 17, 2003
    Publication date: May 6, 2004
    Inventors: Dilip Shantilal Shanghvi, Kirti Wardhaman Ganorkar, Yashoraj Rupsinh Zala, Nitin Bhalachandra Dharmadhikari, Satish C. Khanna