Patents Assigned to Pfizer
  • Patent number: 5821248
    Abstract: Quinuclidine derivatives of the formula ##STR1## and the pharmaceutically acceptable salts thereof, wherein m, P, Z, Y, R.sup.1, R.sup.2 and R.sup.3 are as defined below. The compounds are substance P antagonists and, therefore, are useful in treating gastrointestinal disorders, central nervous system disorders, inflammatory diseases, pain and migraine.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: October 13, 1998
    Assignee: Pfizer Inc.
    Inventor: John Adams Lowe, III
  • Patent number: 5814651
    Abstract: This invention relates to 4-substituted catechol diether compounds which are selective inhibitors of phosphodiesterase (PDE) type IV. The compounds of the present invention are useful in inhibiting PDE.sub.IV and in the treatment of AIDS, asthma, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, dermatitis and other inflammatory diseases. This invention also relates to pharmaceutical compositions comprising the compounds hereof.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: September 29, 1998
    Assignee: Pfizer Inc.
    Inventors: Allen Jacob Duplantier, James Frederick Eggler, Anthony Marfat, Hiroko Masamune
  • Patent number: 5814648
    Abstract: Described herein are N-hydroxyurea compounds having the ability to inhibit the 5-lipoxygenase enzyme and having formula (I) and the pharmaceutically acceptable salts thereof. The variables are described herein. These compounds are useful in the treatment or alleviation of inflammatory diseases, allergy and cardiovascular diseases in mammals and as the active ingredient in pharmaceutical compositions for treating such conditions.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: September 29, 1998
    Assignee: Pfizer Inc.
    Inventors: Akemi Ando, Rodney William Stevens
  • Patent number: 5811432
    Abstract: This invention relates to novel 4-, 5-, 6-, and 7-azaoxindole derivatives. The compounds are anti-inflammatory and analgesic agents and inhibitors of one or more of prostaglandin H.sub.2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. They are useful in the treatment of chronic inflammatory diseases, allergy, psoriasis, various bone diseases, and immune dysfunctions such as systemic lupus erythematosis.
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: September 22, 1998
    Assignee: Pfizer Inc
    Inventors: Anthony Marfat, Ralph P. Robinson
  • Patent number: 5811130
    Abstract: Aqueous pharmaceutical solutions suitable for injection into a host, having improved injection site toleration, comprise danofloxacin or its pharmaceutically acceptable salts and a magnesium or zinc compound. The zinc compound in addition requires the presence of a co-solvent.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: September 22, 1998
    Assignee: Pfizer Inc.
    Inventors: Wayne A. Boettner, Peter C. Canning
  • Patent number: 5808084
    Abstract: Benzylidene intermediates, useful in the preparation of dihydropyridines such as nifedipine and amlodipine, are formed by reaction of a ketocarboxylic adid ester with an aldehyde in the presence of a catalytic amount of dimethylamine acetate.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: September 15, 1998
    Assignee: Pfizer, Inc.
    Inventor: Rafael Arguelles
  • Patent number: 5807834
    Abstract: Pharmaceutical combination compositions including certain cholesterol absorption inhibitors and cholesterol synthesis inhibitors. The compositions are useful for the treatment of hypercholesterolemia and atherosclerosis.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: September 15, 1998
    Assignee: Pfizer Inc.
    Inventor: Lee A. Morehouse
  • Patent number: 5807867
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is methoxy and R.sup.2 is selected from the group consisting of methyl, ethyl, isopropyl, sec-butyl and tert-butyl; and the pharmaceutically acceptable salts of such compounds.These compounds are substance P antagonists and useful in the treatment of gastrointestinal disorders, inflammatory disorders, central nervous system disorders and pain.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: September 15, 1998
    Assignee: Pfizer Inc.
    Inventors: Fumitaka Ito, Hiroshi Kondo, Masami Nakane, Kaoru Shimada, John Adams Lowe, III, Terry Jay Rosen
  • Patent number: 5804554
    Abstract: Polypeptides isolated from the venom of the Filistata hibernalis spider block calcium channels in cells of various organisms and are useful in blocking said calcium channels in cells, per se, in the treatment of calcium channel-mediated diseases and conditions and in the control of invertebrate pests.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: September 8, 1998
    Assignee: Pfizer Inc.
    Inventors: Deane M. Nason, II, Steven D. Heck, Robert T. Ronau, Nicholas A. Saccomano, Robert A. Volkmann
  • Patent number: 5804562
    Abstract: Crystalline spirostanyl glycosides and processes for making them are disclosed. The crystalline spirostanyl glycosides are useful for treatment of hypercholesterolemia or atherosclerosis.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: September 8, 1998
    Assignee: Pfizer Inc.
    Inventors: Douglas John Allen, Richard A. Buzon, Michael P. Deninno, Harry Austin Watson, Jr., Jonathan B. Zung
  • Patent number: 5801023
    Abstract: This invention provides compounds of the following chemical formula or their pharmaceutically-acceptable salts: ##STR1## wherein R is hydrogen or chloro. Also, the present invention provides a process for the production of the compound of formula I, which comprises cultivating a microorganism having the identifying characteristics of Aspergillus fischeri var. thermomutatis ATCC 18618 or the like, and then isolating the compound of formula I from the fermentation broth. The pyrrolobenzoxazine compounds of formula I of this invention have broad antiparasitic activity, and thus are useful as antiparasitic agents, especially as anthelmintics.
    Type: Grant
    Filed: November 29, 1996
    Date of Patent: September 1, 1998
    Assignee: Pfizer Inc.
    Inventors: Yasuhiro Kojima, Yuji Yamauchi, Nakao Kojima, Bernard F. Bishop
  • Patent number: 5800831
    Abstract: The present invention is directed to a topical composition for the treatment of psoriasis. The composition comprises a film forming agent, a plasticizer, an aqueous alcoholic solution and an amount of alkali effective to prevent the gellation of the film forming agent. Vinyl acetate crotonic acid copolymer and poly(vinyl)acetate are especially preferred film-forming agents.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: September 1, 1998
    Assignee: Pfizer Inc.
    Inventors: Debbie L. Burnett, Victor M. Wong, Darius D. Dubash, Athanasios S. Ladas
  • Patent number: 5798383
    Abstract: The prevent invention provides a compound of formula (I): ##STR1## wherein Ar is (a) phenyl, naphthyl and biphenyl, each optionally substituted with C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, C.sub.1-4 hydroxyalkyl, C.sub.1-4 alkoxy, C.sub.1-4 haloalkoxy, C.sub.2-4 alkoxyalkoxy, C.sub.1-4 alkylthio, hydroxy, halo, cyano, amino, C.sub.1-4 alkylamino, di (C.sub.2-8) alkylamino, C.sub.2-6 alkanoylamino, carboxy, C.sub.2-6 alkoxycarbonyl, or optionally substituted phenyl, phenoxy, phenylthio or phenylsulfinyl or (b) furyl, benzo?b!furyl, thienyl, benzo?b!thienyl, pyridyl or quinolyl, each optionally substituted with C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, halo, C.sub.1-4 alkoxy, optionally-substituted phneyl, phenoxy or phenylthio, X is C.sub.1 -C.sub.4 alkylene, C.sub.2 -C.sub.4 alkenylene, --(CHR.sup.1).sub.m --Q.sup.1 --(CHR.sup.2).sub.n --, --O--(CHR.sup.1).sub.j --Q.sup.2 -- and --(CHR.sup.1)--O--N.dbd. in which the N.dbd. moiety is attached to the cycloalkene ring; and in which Q.sup.1 is O, S, SO, SO.sub.2, NR.
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: August 25, 1998
    Assignee: Pfizer Inc.
    Inventors: Akiyoshi Kawai, Makoto Kawai, Rodney W. Stevens
  • Patent number: 5798352
    Abstract: This invention is directed to compounds of formula (I), ##STR1## pharmaceutically acceptable salts thereof, and pharmaceutically acceptable solvates of either entity, wherein Y is optionally monounsaturated C.sub.3 -C.sub.5 alkylene optionally substituted with C.sub.1 -C.sub.4 alkyl or methylene; R.sup.1 is H; C.sub.1 -C.sub.4 alkyl optionally substituted with C.sub.1 -C.sub.4 alkoxy, OH, NR.sup.5 R.sup.6, CONR.sup.5 R.sup.6, C.sub.3 -C.sub.6 cycloalkyl or aryl; or C.sub.3 -C.sub.6 alkenyl; R.sup.2 is H; C.sub.1 -C.sub.4 alkyl optionally substituted with C.sub.1 -C.sub.4 alkoxy, OH, NR.sup.5 R.sup.6, CONR.sup.5 R.sup.6, C.sub.3 -C.sub.6 cycloalkyl or aryl; or CONR.sup.5 R.sup.6 ; R.sup.3 and R.sup.4 are each independently selected from H; C.sub.1 -C.sub.4 alkyl optionally substituted with NR.sup.5 R.sup.6 ; C.sub.1 -C.sub.4 alkoxy; halo; CONR.sup.5 R.sup.6 and aryl; aryl is phenyl optionally substituted with one, two or three substituents independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: August 25, 1998
    Assignee: Pfizer Inc.
    Inventor: John Christopher Danilewicz
  • Patent number: 5795902
    Abstract: The present invention relates to a pharmaceutical preparation comprising: (A) at least one triglyceride or propylene glycol diester of fractionated coconut oil fatty acids; and (B) at least one carboxamide compound of the formula I. The composition renders the carboxamides of formula I more storage-stable and less susceptible to hydrolysis. Methods of using the composition to inhibit activation of collagenase, treating inflammatory disease, and eliciting an analgesic response are also disclosed.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: August 18, 1998
    Assignee: Pfizer Inc.
    Inventor: Imram Ahmed
  • Patent number: 5792882
    Abstract: The invention relates to compounds of the formula ##STR1## and to pharmaceutically acceptable salts thereof, wherein R.sup.1 is hydrogen, fluoro, or chloro, and R.sup.2 is hydrogen or methyl. The above compounds are lipoxygenase inhibitors. The invention also relates to pharmaceutical compositions containing the above compounds, and to methods of treating inflammatory and allergic conditions by administering the above compounds.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: August 11, 1998
    Assignee: Pfizer Inc.
    Inventors: Akiyoshi Kawai, Rodney W. Stevens
  • Patent number: 5792471
    Abstract: This invention relates to devices useful for the controlled delivery of one or more beneficial agents to an environment of use. More specifically, this invention concerns such devices which are powered by hydrogel. This invention also relates to the controlled delivery of one or more beneficial agents to an aqueous environment of use through the use of such hydrogel powered dispensing devices. Also disclosed are methods for the controlled delivery of one or more beneficial agents to an aqueous environment of use which comprises administering to or otherwise placing the devices of this invention in the environment of use.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: August 11, 1998
    Assignee: Pfizer Inc.
    Inventor: William J. Curatolo
  • Patent number: 5789415
    Abstract: Compounds of the formula ##STR1## wherein: Q is naphthyl, heterocyclic or heterobicyclic; R.sup.1 and R.sup.2, when taken separately, are hydrogen, hydroxy, alkyl, alkylthio, alkylsulfinyl, alkylsulfonyl, phenyl, heterocyclic or heterobicyclic; R.sup.1 and R.sup.2, when taken together, form a carbocyclic, carbobicyclic, heterocyclic or heterobicyclic group; R.sup.3 is --(CH.sub.2).sub.n COR.sup.4, tetrazolyl, alkyltetrazolyl, triazolyl, alkyltriazolyl, --(CH.sub.2).sub.n CH.sub.2 OH, --SO.sub.2 R.sup.4, --SO.sub.2 NR.sup.5 R.sup.6 or --NHSO.sub.2 R.sup.7 ; R.sup.4 is hydrogen, hydroxy, --NR.sup.5 R.sup.6, --NHSO.sub.2 R.sup.7, alkoxy, alkylthio, --NR.sup.5 R.sup.6, --NHSO.sub.2 R.sup.7 or --OY; n is 0 to 5; Y is a pharmaceutically acceptable cation or a group hydrolyzable under physiological conditions; R.sup.5 and R.sup.6, when taken separately, are hydrogen, alkyl, --CONRR, --COOR or --CO(C.sub.6 H.sub.5); R.sup.5 and R.sup.6, when taken together, form an azacyclic ring; R.sup.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: August 4, 1998
    Assignee: Pfizer Inc.
    Inventors: Philip A. Carpino, Eric R. Larson, Banavara L. Mylari
  • Patent number: 5789408
    Abstract: Compounds of formula (I) are active antiviral compounds useful in the treatment of viral infections in mammals. The compounds of the invention are readily prepared by reaction of a suitable 2-thiothiazole derivative with an appropriate Het-(CH.sub.2).sub.n -halide.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: August 4, 1998
    Assignee: Pfizer Inc.
    Inventors: Edward Fox Kleinman, Hiroko Masamune, Vinod Dipak Parikh
  • Patent number: 5789423
    Abstract: This invention provides a compound of the formula: ##STR1## and its pharmaceutically acceptable salts, wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, halo C.sub.1 -C.sub.6 alkyl or terahydropyranyl, having one or more substituents selected from cyano, 1,3-thiazolanyl, COOR.sup.2, COR.sup.2, OCOR.sup.2, CONR.sup.3 R.sup.4, NR.sup.3 R.sup.4, NR.sup.5 COR.sup.3 and C.ident.CR.sup.6, wherein R.sup.2 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sup.3 and R.sup.4 are independently hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.6 cycloalkyl, R.sup.5 is C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.6 cycloalkyl and R.sup.6 is hydrogen, halo, cyano, C.sub.1 -C.sub.6 alkyl, COOH, COO(C.sub.1 -C.sub.4 alkyl) or phenyl; X is C.sub.1 -C.sub.6 alkoxy or halo C.sub.1 -C.sub.6 alkoxy; and Ar is phenyl optionally substituted with halo.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: August 4, 1998
    Assignee: Pfizer Inc.
    Inventors: Hiroaki Wakabayashi, Yuji Shishido