Patents by Inventor Dipak K. Chowdhury

Dipak K. Chowdhury 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).

  • Compositions and methods for delivery of therapeutic agents
    Publication number: 20040228921
    Abstract: Disclosed are pharmaceutical formulations for the ophthalmic delivery of tetrahydrocannabinol.
    Type: Application
    Filed: February 17, 2004
    Publication date: November 18, 2004
    Inventors: Dipak K. Chowdhury, B. Ram Murty, Santos B. Murty
  • Tetrahydrocannabinol compositions and methods of manufacture and use thereof
    Publication number: 20040229939
    Abstract: Disclosed is a sublingual pharmaceutical formulation containing tetrahydrocannabinol and certain excipients. Also disclosed is how to make and use the formulation.
    Type: Application
    Filed: February 17, 2004
    Publication date: November 18, 2004
    Inventors: Dipak K. Chowdhury, B. Ram Murty
  • Tetrahydrocannabinol compositions and methods of manufacture and use thereof
    Publication number: 20040110828
    Abstract: Disclosed is an injectable pharmaceutical formulation containing tetrahydrocannabinol and certain excipients. Also disclosed is how to make and use the formulation.
    Type: Application
    Filed: November 28, 2003
    Publication date: June 10, 2004
    Inventors: Dipak K. Chowdhury, Prasad Challapalli, B. Ram Murty
  • Compositions and methods for delivery of therapeutic agents
    Publication number: 20040087520
    Abstract: Disclosed are compositions for the delivery of therapeutic agents and methods of using these compositions.
    Type: Application
    Filed: October 27, 2003
    Publication date: May 6, 2004
    Inventors: Dipak K. Chowdhury, Mark S. Paxton, Santos B. Murty, B. Ram Murty
  • Process for extraction of Delta-9-Tetrahydrocannabinol and other related cannabinoids and preparation of specific strength marijuana cigarettes
    Publication number: 20030050334
    Abstract: A process for supercritical fluid extraction of delta-9-tetrahydrocannabinol (delta-9-THC), delta-8-THC, cannabinoids or other medicinal value compounds from marijuana and other plants. Preferably, the extraction is carried out with a solvent of liquid carbon dioxide alone, or in combination with a solvent of ethanol, methanol, isopropanol, and other nonpolar/semipolar solvents at a temperature and pressure to maintain the solvents in a supercritical state. The extraction process is preferably carried out for a period of from 0 to 9 hours. The extraction process conditions result in different strengths of extracted marijuana and selective isolation of extracted compounds or mixtures of compounds.
    Type: Application
    Filed: April 30, 2002
    Publication date: March 13, 2003
    Inventors: Ram B. Murty, Dipak K. Chowdhury, Murty Mangena
  • Pharmaceutical composition containing tetrahydrocannabinol and a transdermal/transcutaneous delivery method thereof
    Patent number: 6503532
    Abstract: A transdermal/transcutaneous delivery system to deliver Tetrahydrocannabinol (THC) and related compounds, comprising of gel, film and reconstituted liquid for topical application. The delivery system may contain polymethacrylic acid (PMA), carbopol, polyethylene glycol 8000 (PEG), propylene glycol (PG), water, alcohol, acetone, caprylic acid, caproic acid, oleic acid, lauric acid, isopropyl myristate, triethanolamine, and mixtures thereof. This formulation can be used as an analgesic, antiemetic, antiglaucoma medication, arthritis treatment and prevention of weight loss treatment associated with AIDS. It can also be used for treating dementia and multiple sclerosis. The present formulation avoids the problems associated with oral administration, patient compliance and potential abuse associated with other routes of administration of THC.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: January 7, 2003
    Assignee: Murty Pharmaceuticals, Inc.
    Inventors: Ram B. Murty, Dipak K. Chowdhury, Murty Mangena