Patents by Inventor Phillip John Birch

Phillip John Birch 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).

  • Publication number: 20110105551
    Abstract: An analgesic and a delivery agent are combined in a pharmaceutical composition such that, on introduction into the nasal cavity of a patient to be treated, the analgesic may be delivered to the bloodstream to produce within 30 minutes a therapeutic plasma concentration, Cther, of 0.2 ng/ml or greater which is maintained for a duration Tmaint of at least 2 hours. The analgesic may be an opioid analgesic or a non-steroidal anti-inflammatory drug.
    Type: Application
    Filed: January 12, 2011
    Publication date: May 5, 2011
    Applicants: Vernalis (R&D) Limited, Archimedes Development Corporation
    Inventors: Phillip John Birch, Ann Gail Hayes, Peter James Watts, Jonathan David Castile
  • Patent number: 7666876
    Abstract: Aqueous formulations suitable for intranasal administration comprise buprenorphine or a physiologically acceptable salt or ester thereof and (a) a pectin having a degree of esterification of less than 50%, (b) chitosan and a polyoxyethylene-polyoxypropylene copolymer (poloxamer) or (c) chitosan and hydroxypropylmethylcellulose. Such formulations can induce rapid and prolonged analgesia when delivered intranasally to a patient. The buprenorphine or buprenorphine salt or ester may be delivered to the bloodstream to produce within 30 minutes a therapeutic plasma concentration of buprenorphine, Cther, of 0.2 ng/ml or greater which is maintained for a duration Tmaint of at least 2 hours.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: February 23, 2010
    Assignees: Vernalis (R&D) Limited, Archimedes Development Limited
    Inventors: Phillip John Birch, Ann Gail Hayes, Peter James Watts, Jonathan David Castile
  • Patent number: 5693654
    Abstract: This invention relates to a new medical use for compounds having selective agonist activity at 5-HT.sub.1 -like receptors and to pharmaceutical compositions containing them. In particular it relates to a new medical use of 3-?2-(dimethylamino)ethyl!-N-methyl-1H-indole-5-methanesulphonamide and physiologically acceptable salts and solvates thereof for the treatment or prevention of elevated intraocular pressure, in particular glaucoma.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: December 2, 1997
    Assignee: Glaxo Group Limited
    Inventor: Phillip John Birch