Patents by Inventor Philip Penfold

Philip Penfold 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: 20050245497
    Abstract: The present invention provides a method of treatment of an individual with an ophthalmic condition that may comprise the step of: administering to the individual a therapeutically effective amount of a compound capable of modulating the activity of mineralocorticoid receptors within cells or tissue located in an eye or adjacent to an eye in the individual to be treated. Preferably, said compound may be an anti-oedematous steroid, more preferably a mineralocorticoid.
    Type: Application
    Filed: April 8, 2005
    Publication date: November 3, 2005
    Inventors: Philip Penfold, Gholam Peyman, Donald Sanders
  • Publication number: 20050192264
    Abstract: A pharmaceutically acceptable composition comprising an anti-inflammatory steroid or pharmaceutically acceptable salt thereof, which exists in varying crystal and crystal composite sizes wherein the proportion of crystals and crystal composites above 20 ?m in size in the composition is greater than the proportion of crystals and crystal composites under 20 ?m in size.
    Type: Application
    Filed: February 4, 2005
    Publication date: September 1, 2005
    Inventor: Philip Penfold
  • Publication number: 20050124594
    Abstract: This invention relates to the prophylaxis of choroidal neovascularisation in macular degeneration by the introduction of a suitable anti-inflammatory agent into the vitreous. In particular, it relates to the prophylaxis of neovascularisation with an anti-inflammatory steroid, such as an 11-substituted 16 alpha, 17 alpha-substituted methylenedioxy steroid of formula (I) wherein (a) is (b), (c), (d), (e), (f), (g), (h), (i), (j), (k) or (l); R1 and R2 are hydrogen or alkyl; -Ca-Cb- is —CH2—CH2—, —CH?CH—, (m) or (n); R3 is methyl, hydroxymethyl or alkylcarbonyloxymethyl, methylaminoalkylenecarbonyloxymethyl, or phenylaminoalkylenecarbonyloxymethyl; R4 is alkanoyl; and X is halogen in eyes which have been identified as having a high risk of developing choroidal neovascularisation. More particularly, it relates to prophylaxis with triamcinolone acetonide, (compound II).
    Type: Application
    Filed: October 15, 2004
    Publication date: June 9, 2005
    Inventors: Mark Gillies, Philip Penfold, Francis Billson