Patents by Inventor Nicolas Calvert Varey

Nicolas Calvert Varey 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).

  • Analgesic compositions containing buprenorphine
    Patent number: 7402591
    Abstract: An analgesic composition in parenteral unit dosage form or in a unit dosage form suitable for delivery via the mucosa comprising an amount of buprenorphine which is less than the clinical dose required to achieve pain relief and an amount of naloxone such that the ratio by weight of buprenorphine to naloxone is in the range of from 12.5:1 to 27.5:1, or an amount of naltrexone or nalmefene such that the ratio by weight of buprenorphine to naltrexone or nalmefene is in the range of from 12.5:1 to 22.5:1. The analgesic action of the buprenorphine is potentiated by the low dose of naloxone, naltrexone or nalmefene.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: July 22, 2008
    Assignee: Reckitt Benckiser Healthcare (UK) Limited
    Inventors: Christopher Bourne Chapleo, Nicolas Calvert Varey, Keith McCormack
  • Analgesic compositions containing buprenorphine
    Patent number: 6995169
    Abstract: An analgesic composition in parenteral unit dosage form or in a unit dosage form suitable for delivery via the mucosa comprising an amount of buprenorphine which is less than the clinical dose required to achieve pain relief and an amount of naloxone such that the ratio by weight of buprenorphine to naloxone is in the range of from 12.5:1 to 27.5:1, or an amount of naltrexone or nalmefene such that the ratio by weight of buprenorphine to naltrexone or nalmefene is in the range of from 12.5:1 to 22.5:1. The analgesic action of the buprenorphine is potentiated by the low dose of naloxone, naltrexone or nalmefene.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: February 7, 2006
    Assignee: Reckitt Benckiser Healthcare (UK) Limited
    Inventors: Christopher Bourne Chapleo, Nicolas Calvert Varey, Keith McCormack
  • Analgesic compositions containing buprenorphine
    Publication number: 20030004178
    Abstract: An analgesic composition in parenteral unit dosage form or in a unit dosage form suitable for delivery via the mucosa comprising an amount of buprenorphine which is less than the clinical dose required to achieve pain relief and an amount of naloxone such that the ratio by weight of buprenorphine to naloxone is in the range of from 12.5:1 to 27.5:1, or an amount of naltrexone or nalmefene such that the ratio by weight of buprenorphine to naltrexone or nalmefene is in the range of from 12.5:1 to 22.5:1. The analgesic action of the buprenorphine is potentiated by the low dose of naloxone, naltrexone or nalmefene.
    Type: Application
    Filed: May 14, 2002
    Publication date: January 2, 2003
    Inventors: Christopher Bourne Chapleo, Nicolas Calvert Varey, Keith McCormack