Patents Represented by Attorney, Agent or Law Firm James R. Nelson
  • Patent number: 4760073
    Abstract: Aryl-substituted naphthyridines and pyridopyrazines are disclosed which are useful in treating allergic reactions, inflammation, peptic ulcers and/or hyperproliferative skin disease. Pharmaceutical compositions and methods of treatment employing such compounds are also disclosed.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: July 26, 1988
    Assignee: Schering Corporation
    Inventors: David J. Blythin, Ho-Jane Shue
  • Patent number: 4758594
    Abstract: Novel compounds and compositions which inhibit SRS-A in mammals are disclosed. Methods for preparing said compounds and compositions and methods for their use for treating allergic reactions, inflammation and for reducing the severity of myocardial infarction resulting from heart attack are disclosed.Useful intermediates for preparing said compounds are also disclosed.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: July 19, 1988
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Jesse K. Wong, Pietro Mangiaracina
  • Patent number: 4758623
    Abstract: A trifluoroacetylthio- or trifluoroacetylthioalkyl-substituted divinyl benzene co-styrene polymer and a method for using such polymer are disclosed.
    Type: Grant
    Filed: July 17, 1986
    Date of Patent: July 19, 1988
    Assignee: Schering Corporation
    Inventor: Clifford C. Leznoff
  • Patent number: 4755386
    Abstract: A buccal formulation for administering a medicament includes about 1-20% by weight of a soluble, pharmaceutically acceptable adhesive, about 1-10% by weight of a pharmaceutically acceptable disintegrant and a soluble, directly compressible tablet excipient.
    Type: Grant
    Filed: January 22, 1986
    Date of Patent: July 5, 1988
    Assignee: Schering Corporation
    Inventors: Chiin H. Hsiao, Janice L. Cacace
  • Patent number: 4751078
    Abstract: A process is disclosed for purifying gamma interferon from various contaminants resulting from disruption of the cell in which the interferon was produced. The process provides for sequential removal of (a) nucleic acids, (b) negatively charged contaminating proteins, (c) positively charged contaminating proteins and (d) low and high molecular weight impurities.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: June 14, 1988
    Inventors: Tattanahalli L. Nagabhushan, Paul P. Trotta, Hung V. Le, Gail F. Seelig, Robert A. Kosecki
  • 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: 4731447
    Abstract: A process for the preparation of piperidylidene-dihydro-dibenzo[a,d]cycloheptene or aza-derivatives thereof and intermediates in such process are disclosed.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: March 15, 1988
    Assignee: Schering Corporation
    Inventors: Doris P. Schumacher, Bruce L. Murphy, Jon E. Clark
  • 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: 4723029
    Abstract: This invention relates to organic acid-substituted guanidine compounds. Also disclosed are methods for preparing the compounds, compositions containing them, and methods for their use as anthelmintics.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: February 2, 1988
    Assignee: Schering Corporation
    Inventors: Dhiru B. Vashi, Jeffrey N. Clark, Neil A. Lindo
  • Patent number: 4721726
    Abstract: A method for inhibiting the action of enkephalinases in a mammal to thereby elicit an analgesic effect in said mammal is described.Novel compound and compositions useful for accomplishing the method of the invention are also described.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: January 26, 1988
    Assignee: Schering Corporation
    Inventor: Joel G. Berger
  • 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: 4708867
    Abstract: A minipellet dosage form of prednisone or prednisolone, resistant to attack by saliva but readily dissolvable in gastric juice, which comprises a mixture of prednisone or prednisolone and polyvinylpyrrolidone coated onto a nonpareil seed, and further coated with a layer of dimethylaminoethyl and methyl methacrylate copolymer.
    Type: Grant
    Filed: March 8, 1984
    Date of Patent: November 24, 1987
    Assignee: Key Pharmaceuticals, Inc.
    Inventor: Charles H. Hsiao
  • Patent number: 4701447
    Abstract: This invention relates to organic acid-substituted guanidine compounds. Also disclosed are methods for preparing the compounds, compositions containing them, and methods for their use as anthelmintics.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: October 20, 1987
    Assignee: Schering Corporation
    Inventors: Dhiru B. Vashi, Jeffrey N. Clark, Neil A. Lindo
  • 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: 4695591
    Abstract: Controlled release solid dosage forms comprising less than about one-third of the total dosage form weight of hydroxypropylmethylcellulose USP 2910 are disclosed.
    Type: Grant
    Filed: November 22, 1985
    Date of Patent: September 22, 1987
    Assignee: Schering Corporation
    Inventors: Gayda Hanna, Winston A. Vadino
  • Patent number: 4689213
    Abstract: Bronchospastic diseases characterized by airway hyperreactivity are treated by administration of the calcium channel blocker gallopamil. Unlike other calcium channel blockers, the effective dose of gallopamil is small enough that undesirable side effects are not present.
    Type: Grant
    Filed: October 23, 1985
    Date of Patent: August 25, 1987
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Allyn Golub, Leslie Hendeles
  • 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: D294063
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: February 2, 1988
    Assignee: Schering Corporation
    Inventor: Arthur W. Smith