Patents Assigned to American Home Products Corp. (Del.)
  • Patent number: 4933184
    Abstract: Disclosed herein are compositions and methods for enhancing the transdermal delivery of physiologically active agents across mammalian skin or membranes and which comprise a percutaneous transfer enhancing amount of menthol and a drug.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: June 12, 1990
    Assignee: American Home Products Corp. (Del)
    Inventor: Andrew G. Tsuk
  • Patent number: 4931283
    Abstract: Disclosed herein are compositions and methods for enhancing the transdermal delivery of physiologically active agents across mammalian skin or membranes and which comprise a percutaneous transfer enhancing amount of menthol and a drug.
    Type: Grant
    Filed: March 26, 1987
    Date of Patent: June 5, 1990
    Assignee: American Home Products Corp. (Del)
    Inventor: Andrew G. Tsuk
  • Patent number: 4857337
    Abstract: Enteric coated aspirin tablets rendered shock-insensitive by the provision of a protective coat of hydroxyproply methylcellulose of at least about 1.5% by weight based on the weight of the tablet core.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: August 15, 1989
    Assignee: American Home Products Corp. (Del)
    Inventors: Ronald W. Miller, Raymond W. Sutton
  • Patent number: 4824785
    Abstract: An efficacious parenterally administered modified live Canine Corona virus vaccine which provides systemic, humoral protection and also protection of the intestinal tract in dogs from infection by virulent Canine Corona virus is produced. A method for propagation of the Canine Corona virus and its attenuation and a method of evaluating the effectiveness of a Canine Corona virus vaccine in canines is also disclosed.
    Type: Grant
    Filed: January 22, 1986
    Date of Patent: April 25, 1989
    Assignee: American Home Products Corp. (Del)
    Inventors: William M. Acree, Bobby Edwards, John W. Black
  • Patent number: 4761378
    Abstract: An improved microbiological test tray is described which are provided with fasteners so that two or more of the trays may be joined together for ease in inoculation, incubation, lyophilization and reading. In another aspect of the invention an improved tray structure is described which provides openings for the flow of vapor during the lyophilization step so that a greater number of trays may be lyophilized at the same time and also that lyophilization may be carried out in a shorter period of time due to the improved vapor flow. In another aspect of the invention an improved test card is described in which the API 20 test strip is reshaped into a card of two rows of ten cupules conforming to the same pattern as other frequently used test trays. A holder tray is provided for the card and the holder is provided with connecting fasteners so that it and the test card may be joined into one or more additional test trays for ease in inoculation, incubation and reading.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: August 2, 1988
    Assignee: American Home Products Corp. (Del.)
    Inventor: James H. Godsey
  • Patent number: 4704278
    Abstract: An aqueous antacid composition of magaldrate gel and a process for preparing same are described by the invention. The composition is prepared from and contains precipitated and undried magaldrate gel and a fluidizing of a first and second fluidizer. On fluidizer is provided by an aluminum hydroxide gel having colloidal properties and the second by a pharmaceutically acceptable citrate ion source including citric acid. The process and composition are characterized in providing a fluid, resuspendible, pharmaceutically elegant suspension possessing high antacid capacity and stability at even elevated magaldrate concentrations in addition to the ability to fluidize stiff, paste-like magaldrate gel cakes.
    Type: Grant
    Filed: August 8, 1986
    Date of Patent: November 3, 1987
    Assignee: American Home Products Corp (Del)
    Inventors: Chien-Chin Wu, Gerald L. Reuter
  • Patent number: 4123510
    Abstract: A simple, sensitive, reliable and safe method for determining the concentration of pituitary gonadotropins is disclosed. The method involves concentration by ultrafiltration of a sample of body fluid, e.g. urine or serum from a subject, followed by determining the presence of the gonadotropin in the concentrated sample.
    Type: Grant
    Filed: June 14, 1977
    Date of Patent: October 31, 1978
    Assignee: American Home Products Corp. (Del.)
    Inventors: Upendra K. Banik, Morris L. Givner
  • Patent number: D249157
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: August 29, 1978
    Assignee: American Home Products Corp. (Del.)
    Inventor: Raymond P. Stoy