Patents Represented by Attorney, Agent or Law Firm Richard C. Billups
  • Patent number: 4740511
    Abstract: A method of treating hyperproliferative skin disease with substituted quinoline, [1,5]- and [1,8]- naphthyridine and pyrido[2,3-b]pyrazine derivatives is disclosed. The compounds are also anti-allergic, anti-inflammatory and cytoprotective agents. Methods for their preparation and use are disclosed.
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: April 26, 1988
    Assignee: Schering Corporation
    Inventor: David J. Blythin
  • Patent number: 4725596
    Abstract: Certain pyrimidine derivatives are useful in treating allergic, inflammatory and hyperproliferative skin diseases and in suppressing the immune response. Methods for preparing the compounds and methods for their use are also described.
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: February 16, 1988
    Assignee: Schering Corporation
    Inventors: Richard J. Friary, Sidney R. Smith, Marvin I. Siegel
  • Patent number: 4722726
    Abstract: A device for iontophoretic delivery of active ingredient to a patient, that includes an electrode, a first cavity for holding a solution of at least partially active ingredient in ionizing form to be delivered to a patient, a member for maintaining a solution in the first cavity while allowing passage of active ingredient from the first cavity, and an ion exchange member separating the electrode and the first cavity for inhibiting the flow of ions having a charge similar to the charge of the ionized form of the active ingredient from the electrode means to the first cavity is disclosed. A method for iontophoretic delivery of active ingredients to a patient is also disclosed.
    Type: Grant
    Filed: February 12, 1986
    Date of Patent: February 2, 1988
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: John E. Sanderson, Stanton R. Deriel
  • Patent number: 4713237
    Abstract: Sustained release dosage forms are made of saponified starch-acrylonitrile graft copolymers and an active ingredient.
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: December 15, 1987
    Assignee: Schering Corporation
    Inventor: Mahendra Shah
  • Patent number: 4696946
    Abstract: A method for the topical treatment of hyperproliferative skin diseases in a human is described.Compounds and compositions for use in this method are also described.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: September 29, 1987
    Assignee: Schering Corporation
    Inventors: Michael J. Green, Anil K. Saksena
  • Patent number: 4687774
    Abstract: A method and composition for suppressing the immune response are disclosed which employ an immunosuppressing effective amount of certain tricyclic naphthyridine or pyrido-pyrazine derivatives.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: August 18, 1987
    Assignee: Schering Corporation
    Inventors: Sidney R. Smith, Marvin I. Siegel
  • Patent number: 4684727
    Abstract: Zwitterionic bicyclic compounds are disclosed which are useful as anti-allergic, anti-inflammatory and/or cytoprotective agents. Pharmaceutical compositions and methods of treatment employing such compounds are also disclosed.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: August 4, 1987
    Assignee: Schering Corporation
    Inventors: David J. Blythin, Ho-Jane Shue
  • Patent number: 4680297
    Abstract: Substituted quinoline, [1,5]- and [1,8]-naphthyridine and pyrido [2,3-b]pyrazine derivatives are useful positive inotropic agents.
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: July 14, 1987
    Assignee: Schering Corporation
    Inventors: David J. Blythin, Robert W. Watkins
  • Patent number: 4680298
    Abstract: Substituted quinoline, [1,5]- and [1,8]-naphthyridine and pyrido[2,3-b]pyrazine derivatives are anti-allergic, anti-inflammatory and cytoprotective agents. Methods for their preparation and use are disclosed.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: July 14, 1987
    Assignee: Schering Corporation
    Inventor: David J. Blythin
  • Patent number: 4659716
    Abstract: Disclosed are 7- and/or 8-(halo or trifluoromethyl)-substituted-6,11-dihydro-11-(4-piperidylidene)-5H-benzo[5 ,6]cyclohepta[1,2-b]pyridines and the pharmaceutically acceptable salts thereof, which possess antihistaminic properties with substantially no sedative properties. Methods for preparing and using the compounds and salts are described.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: April 21, 1987
    Assignee: Schering Corporation
    Inventors: Frank J. Villani, Jesse K. Wong