Patents Assigned to DTR Dermal Therapy (Barbados) Inc.
  • Patent number: 5814659
    Abstract: The present invention comprises a topical analgesic composition comprising an analgesic agent, an alcohol, a chaotropic agent and an unsaturated fatty acid. The composition is preferably in the form of a stable gel and may further comprise a pharmaceutically acceptable emulsifier, a pharmaceutically acceptable gelling and/or thickening agent, and a pharmaceutically acceptable preservative. The pH of the composition is adjusted to 7.5-8.0 by the addition of a pharmaceutically acceptable organic base, such as triethanolamine.The invention also comprises a method for inducing topical analgesia. The composition is absorbed on an absorbent material, for example a cotton strip inserted into typical skin-wipe packet; brought in contact with the skin of a person in need of such an analgesia; and maintained in contact with the skin for a period of time sufficient to induce and maintain topical analgesia.
    Type: Grant
    Filed: April 23, 1996
    Date of Patent: September 29, 1998
    Assignee: DTR Dermal Therapy (Barbados) Inc.
    Inventor: Harry Richardson Elden