Patents Represented by Attorney, Agent or Law Firm J. Michael Dixon
  • Patent number: 5026700
    Abstract: The present invention is directed to a new class of excitatory amino acid antagonists. The compounds contain quinoline or thieno pyridine moieties.
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: June 25, 1991
    Assignee: Merrell Dow Pharmaceuticals
    Inventors: Boyd L. Harrison, Bruce M. Baron
  • Patent number: 5021428
    Abstract: The invention relates to a new class of compounds having important biochemical and pharmacological properties. More particularly, this invention relates to N-aralkyl piperidinemethanol derivatives which are potent and selective inhibitors of the binding of serotonin at the 5HT.sub.2 receptor site, and to the processes for their preparation and use.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: June 4, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Albert A. Carr, Norbert L. Wiech
  • Patent number: 5011846
    Abstract: The present invention is directed to the use of esters of hexahydro-8-hydroxy-2,6-methano-2H-quinolizin-3(4H)-one and hexahydro-8-hydroxy-2,6-methano-2H-quinolizines in the manufacture of a medicament for the treatment of anxiety, psychosis, glaucoma and for the stimulation of gastric motility.
    Type: Grant
    Filed: May 16, 1990
    Date of Patent: April 30, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Maurice W. Gittos, Francis P. Miller, Stephen M. Sorensen, John R. Fozard, Paul Moser, Michael G. Palfreyman, Hsien Cheng
  • Patent number: 4999226
    Abstract: The present invention is directed to a multi-layered tablet containing an ibuprofen layer, a piperidino-alkanol antihistamine layer, and a layer or layers containing conventional pharmaceutical excipients which is interspersed between the ibuprofen and piperidino-alkanol layer and serves to physically separate them. This tablet solves the problems associated with the physical and chemical incompatibilities between ibuprofen and the piperidinoalkanol antihistamines.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: March 12, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Herbert Schock, David F. Long, William R. Nadler
  • Patent number: 4994555
    Abstract: This invention concerns the recovery of glycopeptidic antibiotics from aqueous solutions resulting from fermentation broths or process streams. Examples of glycopeptidicantibiotics to which the process of this invention may be applied are the following: vancomycin, actaplanin, ristocetin, avoparcin, actinoidin, LL-AM-374, A 477, OA 7653, A 35512 B, A 515668, AAD 216, A 41030, A 47934, A-40926 (European Pat. Appln. No. 85112406.5), the individual factors, derivatives and pseudo-aglycones and aglycones thereof, teicoplanin and teicoplanin-like compounds.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: February 19, 1991
    Assignee: Gruppo Lepetit S.p.A.
    Inventors: Giambattista Panzone, Anacleto Gianantonio
  • Patent number: 4960786
    Abstract: The present invention is directed to the discovery of a new use for a group of known 2-carboxylic indole derivatives. The compounds are excitatory amino acid antagonists.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: October 2, 1990
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Francesco G. Salituro, Boyd L. Harrison, Bruce M. Baron
  • Patent number: 4908372
    Abstract: The present invention is directed to a new class of piperidinyl benzimidazole antihistamines which can be described by the following formula: ##STR1## wherein Y is represented by CO or CHOH; m is an integer from 1 to 2; R is represented by C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen, hydroxy and hydrogen, X is represented by hydrogen, COOR.sub.2 in which R.sub.2 is represented by a C.sub.1-4 alkyl, or X is an alkylene phenyl radical of the formula: ##STR2## wherein T is represented by CHOH, CO, O, or a direct bond; R.sub.1 is represented by C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen, hydroxy, 2,2-dimethyl ethanoic acid and hydrogen; n is an integer from 1 to 5; or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: March 13, 1990
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Albert A. Carr, Hsien C. Cheng, John M. Kane
  • Patent number: 4908351
    Abstract: The present invention is directed to a new antibiotic substance denominated antibiotic A 42867 pseudoaglycon, a pharmaceutically acceptable salt thereof, a process for its preparation from antibiotic A 42867 and pharmaceutical compositions containing the new substance of the invention.
    Type: Grant
    Filed: January 24, 1989
    Date of Patent: March 13, 1990
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Ernesto Riva, Maurizio Denaro, Pietro Ferrari, Giovanni Cassani
  • Patent number: 4908369
    Abstract: The present invention pertains to the use of 1,4-disubstituted-piperidinyl compounds in the treatment of insomnia.Said compounds have the following general formula: ##STR1## wherein: each of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 is independently selected from the group consisting of hydrogen, a C.sub.1-6 alkyl group, halogen, trifluoromethyl, hydroxy, a C.sub.1-6 alkoxy group, or an amino group; n is 2, 3, or 4; and the pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: January 19, 1989
    Date of Patent: March 13, 1990
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Paul J. Schechter, John M. Orwin, Christian K. Hinze
  • Patent number: 4904697
    Abstract: Certain chalcone derivatives are reported to inhibit the polymerization of tubulin to form microtubules and are therefore antimitotic agents which can be used to control the growth of tumor tissue and can be used as antigout agents.
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: February 27, 1990
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Sai P. Sunkara, Michael L. Edwards, David M. Stemerick
  • Patent number: 4880789
    Abstract: The present invention concerns new 2'-substituted-4-deoxy-thiazolo[5,4-c]rifamycin SV derivatives having antibacterial activity.These compounds are compounds obtained by chemical modification of thiazolo[5,4-c]rifamycin SV.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: November 14, 1989
    Assignee: Gruppo Lepetit S.P.A.
    Inventors: Bruno Cavalleri, Marco Turconi, Giovanni Tamborini
  • Patent number: 4877798
    Abstract: The present invention relates to a method for relieving or alleviating the symptomatology associated with fibromyalgia comprising administering to a patient a compound as described by Formula I.
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: October 31, 1989
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventor: Stephen M. Sorensen
  • Patent number: 4870083
    Abstract: The present invention relates to 1,4-disubstituted-piperidinyl compounds and their use as analgesic agents and as muscle relaxants.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: September 26, 1989
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Albert A. Carr, Thaddeus R. Nieduzak, Francis P. Miller, Stephen M. Sorensen
  • Patent number: 4868171
    Abstract: The present invention concerns new antibiotic substances denominated antibiotic A 40926 N-acylaminoglucuronyl aglycon complex AB, antibiotic A 40926 N-acylaminoglucuronyl aglycon factor A, antibiotic A 40926 N-acylaminoglucuronyl aglycon factor B, antibiotic A 40926 N-acylaminoglucuronyl aglycon factor B.sub.0, antibiotic A 40926 N-acylaminoglucuronyl aglycon factor B.sub.1, antibiotic A 40926 aglycon and the addition salts thereof, a process for their preparation starting from antibiotic A 40926 complex or a factor thereof, and their use in the treatment of infectious diseases involving microorganisms susceptible to them.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: September 19, 1989
    Assignee: Gruppo Lepetit S.p.A.
    Inventors: Enrico Selva, Ernesto Riva, Giovanni Cassani, Francesco Parenti
  • Patent number: 4868194
    Abstract: The present invention is directed to a new class of piperidinyl imidazole antiarrhythmic agents and to methods for treating arrhythmias.
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: September 19, 1989
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Albert A. Carr, John E. Koerner, Richard C. Dage, Tung Li, David A. Hay
  • Patent number: 4863968
    Abstract: Certain chalcone derivatives are reported to inhibit the polymerization of tubulin to form microtubules and are therefore antimitotic agents which can be used as antigout agents. The chalcone derivatives are also reported to inhibit the destruction of the myelin sheath in the central nervous system of multiple sclerosis patients and are thus useful in controlling the progressive nature of the disease.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: September 5, 1989
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Michael L. Edwards, Sai P. Sunkara, David M. Stemerick
  • Patent number: 4803278
    Abstract: 1,3-Dihydro-4-pyridoyl-2H-imidazol-2-ones are prepared in a three step process by(a) reducing 1-pyridyl-1,3-deketo-2-oximinoalkanes to produce 1-pyridyl-1-hydroxy-2-amine-3-ketoalkanes;(b) reacting the thus produced hydroxyaminoketone with cyanate ion to produce a 1,3-dihydro-4-hydroxy(pyridyl)methyl-2H-imidazol-2-one; and(c) oxidizing the thus produced hydroxymethyl compound to yield the desired product.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: February 7, 1989
    Assignee: Merrell Dow Pharmaceuticals, Inc.
    Inventors: Richard A. Schnettler, Chi-Hsin R. King
  • Patent number: 4783471
    Abstract: This invention relates to a new class of compounds having important biochemical and pharmacological properties. More particularly, this invention relates to N-aralkyl piperidinemethanol derivatives which are potent and selective inhibitors of the binding of serotonin at the 5HT.sub.2 receptor site, and to the processes for their preparation and use.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: November 8, 1988
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Albert A. Carr, Norbert L. Wiech
  • Patent number: 4782042
    Abstract: The present invention concerns a new antibiotic substance denominated antibiotic A 40926 mannosyl aglycon and the addition salts thereof, a process for preparing it from antibiotic A 40926 complex or a factor thereof, and its use in the treatment of infectious disease involving microorganisms susceptible to it.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: November 1, 1988
    Assignee: Gruppo Lepetit S.p.A.
    Inventors: Enrico Selva, Beth P. Goldstein, Pietro Ferrari, Giovanni Cassani, Francesco Parenti
  • Patent number: D316914
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: May 14, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventor: Roger Withington