Patents Assigned to Pfizer
  • Patent number: 5574046
    Abstract: Compounds of the formula ##STR1## wherein ring A, ring B, ring D, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.11, R.sup.12, R.sup.13, E, G, X and P are as defined below. The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzheimer's disease.
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: November 12, 1996
    Assignee: Pfizer Inc.
    Inventors: Yuhpyng L. Chen, Arthur A. Nagel
  • Patent number: 5573946
    Abstract: The present invention relates to certain antibiotic compounds, designated N787-182 compounds herein and derivatives thereof, which are antiparasitic agents, active against insect pests, acari, free-living nematodes and endo- and ectoparasites. This invention also relates to pharmaceutical and other compositions containing such compounds, methods of using such compounds, the microorganism Streptomyces hygroscopicus ATCC 53718 and mutants or genetically transformed or recombinant form thereof, and processes for producing such compounds.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: November 12, 1996
    Assignee: Pfizer Inc.
    Inventors: Mark A. Haxell, David A. Perry, Hiroshi Maeda, Junsuke Tone
  • Patent number: 5569662
    Abstract: Compounds useful in the treatment of inflammatory disorders, central nervous system disorders and other disorders of formula (I) and the pharmaceutically-acceptable salts thereof, wherein X.sup.1 is alkoxy or halosubstituted alkoxy; X.sup.2 is hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, halosubstitued alkyl, halosubstituted alkoxy, alkylamino, dialkylamino, alkylsulfonylamino (which may be substituted), N-alkyl-N-alkylsulfonylamino (which may be substituted), alkanoylamino (which may be substituted) or N-alkyl-N-alkanoylamino (which may be substituted); Ar.sup.1 and Ar.sup.2 are each, independently, thienyl, phenyl, fluorophenyl, chlorophenyl or bromophenyl; A is Y--(CH.sub.2).sub.m --CH(R.sup.2)--(CH.sub.2).sub.n --NR.sup.1 --; R.sup.1 is hydrogen, alkyl, benzyl or --(CH.sub.2).sub.p --Y; R.sup.2 is hydrogen, alkyl (which may be substituted), benzyl, 4-hydroxybenzyl, 3-indolylmethyl or --(CH.sub.2).sub.p --Y; Y is --CN, --CH.sub.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: October 29, 1996
    Assignee: Pfizer Inc.
    Inventors: Kunio Satake, Hiroaki Wakabayashi, Masami Nakane
  • Patent number: 5567817
    Abstract: The invention provides antifungal compounds of the formula: ##STR1## and pharmaceutical salts thereof, whereinR is phenyl substituted by 1 to 3 substituents each independently selected from halo, --CF.sub.3 and --OCF.sub.3 ;R.sup.1 is C.sub.1 -C.sub.4 alkyl;R.sup.2 is H or C.sub.1 -C.sub.4 alkyl;X is CH or N; andY is F or Cl.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: October 22, 1996
    Assignee: Pfizer Inc.
    Inventors: Stephen J. Ray, Kenneth Richardson
  • Patent number: 5565359
    Abstract: Streptomyces avermitilis lacking branched-chain 2-oxo acid dehydrogenase activity and avermectin B O-methyltransferase activity, method for preparation thereof, and use thereof to produce natural and non-natural B avermectins useful as parasiticides.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: October 15, 1996
    Assignee: Pfizer Inc.
    Inventors: Edmund W. Hafner, Kelvin S. Holdom, S. Edward Lee
  • Patent number: 5565472
    Abstract: Compounds of the formula ##STR1## the pharmaceutically acceptable salts thereof wherein R.sup.2, R.sup.3, R.sup.4, m, X and Q are as defined below, and novel intermediates used in the synthesis of such compounds. The compounds of formula I are inhibitors of acyl coenzyme A: cholesterol acyltransferase (ACAT) and are useful as hypolipidemic and antiatherosclerosis agents.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: October 15, 1996
    Assignee: Pfizer Inc.
    Inventor: Ernest S. Hamanaka
  • Patent number: 5565453
    Abstract: Antipsychotic compounds having the formula ##STR1## wherein R is hydrogen, acyl or substituted acyl; and a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: October 15, 1996
    Assignee: Pfizer Inc.
    Inventors: Gene M. Bright, Kishor A. Desai, Thomas F. Seeger, Teresa A. Smolarek
  • Patent number: 5563135
    Abstract: Macrolides of formula (I) and methods of treatment of resistance to transplantation, fungal infections and auto-immune diseases such as rheumatoid arthritis and psoriasis using said macrolides of formula (I), ##STR1## wherein n is 1 or 2; A and B are taken together and form .dbd.O or A and B are taken separately and are each H or A is OH and B is H; R.sup.1 is a desosamino group; R.sup.2 is OH or a desosaminyloxy group; and R.sup.3 is an alkyl or allyl group.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 8, 1996
    Assignee: Pfizer Inc.
    Inventors: James R. Hauske, Gary R. Schulte
  • Patent number: 5563143
    Abstract: This invention relates to catechol diether compounds which are inhibitors of tumor necrosis factor (TNF). The catechol diether compounds are useful as inhibitors of TNF per se and in the treatment or alleviation of inflammatory conditions or disease, including but not limited to rheumatoid arthritis, osteoarthritis, asthma, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, dermatitis and inflammatory bowel disease, sepsis, septic shock, tuberculosis, graft versus host disease and cachexia associated with AIDS or cancer. This invention also relates to pharmaceutical compositions useful therefor.
    Type: Grant
    Filed: September 21, 1994
    Date of Patent: October 8, 1996
    Assignee: Pfizer Inc.
    Inventors: Victoria L. Cohan, Allen J. Duplantier
  • Patent number: 5563259
    Abstract: A process for the synthesis of peracyl-1-O-steroidal-.beta.-cellobiosides that provides excellent .beta.-anomeric selectivity without the use of a metal salt promoter. The process comprises reacting heptaacyl-.beta.-D-cellobiosyl-1-fluoride and a trisubstituted silyl-3-O-steroid, wherein the steroid is tigogenin, hecogenin, 11-ketotigogenin or diosgenin in the absence of a metal salt under suitable conditions.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: October 8, 1996
    Assignee: Pfizer Inc.
    Inventors: Kathleen D. Goggin, John F. Lambert, Stanley W. Walinsky
  • Patent number: 5560859
    Abstract: A post-foaming gel shaving composition is disclosed which contains from about 40 to about 90 percent by weight water; from about 4 to about 25 percent by weight water-soluble soap; from about 0.5 to about 12 percent by weight aliphatic liquid post-foaming agent selected from the group consisting of saturated aliphatic hydrocarbons; from about 0.01 to about 5 percent by weight of at least one water-soluble gelling agent forming in said composition a gel having a yield value sufficiently high to restrain said composition from foaming for at least about 60 seconds; and from about 0.1 to about 2 percent by weight of a poly(ethylene oxide) having an average molecular weight of at least 2.times.10.sup.5.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 1, 1996
    Assignee: Pfizer Inc.
    Inventors: Barbara A. Hartmann, Athanasios S. Ladas, Dino G. Muccia
  • Patent number: 5559246
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, X and n are as defined in the claims and the pharmaceutically acceptable salts thereof are new. These compounds are useful psychotherapeutics and are potent serotonin (5-HT.sub.1) agonists and may be used in the treatment of depression, anxiety, eating disorders, obesity, drug abuse, cluster headache, migraine, pain, chronic paroxysmal hemicrania and headache associated with vascular disorders, and other disorders arising from deficient serotonergic neurotransmission. The compounds can also be used as centrally acting hypertensives and vasodilators. A process for forming indoles by transition metal catalyzed cyclization of dihalogenated intermediate is also disclosed.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 24, 1996
    Assignee: Pfizer Inc.
    Inventor: John E. Macor
  • Patent number: 5559129
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, X and n are as defined in the claims and the pharmaceutically acceptable salts thereof are new. These compounds are useful psychotherapeutics and are potent serotonin (5-HT.sub.1) agonists and may be used in the treatment of depression, anxiety, eating disorders, obesity, drug abuse, cluster headache, migraine, pain, chronic paroxysmal hemicrania and headache associated with vascular disorders, and other disorders arising from deficient serotonergic neurotransmission. The compounds can also be used as centrally acting hypertensives and vasodilators. A process for forming indoles by transition metal catalyzed cyclization of dihalogenated intermediate is also disclosed.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 24, 1996
    Assignee: Pfizer Inc
    Inventors: John E. Macor, Martin J. Wythes
  • Patent number: 5556868
    Abstract: Avermectin and milbemycin derivatives of formula (I) ##STR1## having a double bond at the 3-4 position and a cyano substituent at the 3-position have outstanding anthelmintic properties. They may be prepared by allowing an avermectin or milbemycin derivative having a leaving group at the 5-position, or having double bonds at the 2-3 and 4-5 positions and no substituent at the 5-position, to react with an ionic cyanide.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: September 17, 1996
    Assignee: Pfizer Inc
    Inventor: Bernard J. Banks
  • Patent number: 5553613
    Abstract: A device for the non-invasive measurement of the concentration of a specific analyte, particularly glucose, in arterial blood flowing in a patient's body part, which device comprises a solid first portion having a surface profile adapted to be held against the selected body part, a source of near infrared radiation mounted in a second portion associated with said first portion such that near infrared radiation is transmitted through or reflected from said body part, a third portion containing a detector and filters to receive radiation transmitted through or reflected from said body part, to select signals generated by the pulsatile component of the absorption spectrum and to provide a ratio representative of the desired concentration. A method for the determination of glucose concentration in arterial blood is also disclosed.
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: September 10, 1996
    Assignee: Pfizer Inc.
    Inventor: Dawood Parker
  • Patent number: 5552435
    Abstract: Benzopyran and other benzo-fused leukotriene B.sub.4 antagonists have the formula ##STR1## wherein R.sup.1 is a phenyl or substituted phenyl group, and A, n, R.sup.2 and R.sup.3 are as defined herein.
    Type: Grant
    Filed: January 9, 1995
    Date of Patent: September 3, 1996
    Assignee: Pfizer Inc.
    Inventor: Kevin Koch
  • Patent number: 5552387
    Abstract: An antibiotic of the formula ##STR1## wherein R is hydrogen or a pharmaceutically acceptable cation and Me is methyl.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: September 3, 1996
    Assignee: Pfizer Inc.
    Inventor: Edward A. Glazer
  • Patent number: 5552424
    Abstract: Certain novel isoxazoline compounds having the ability to inhibit the 5-lipoxygenase enzyme and having formula (I), ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl or --NR.sub.3 R.sub.4 ; R.sub.3 and R.sub.4 are each independently H or C.sub.1 -C.sub.4 alkyl; M is H or a pharmaceutically acceptable cation; A is C.sub.1 -C.sub.6 alkylene, C.sub.2 -C.sub.6 alkenylene or C.sub.2 -C.sub.6 alkynylene; Ar is phenylene or mono-, di- or tri-substituted phenylene wherein the substituents are each independently selected from halogen, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy; n is an integer of 0 or 1; Y is H or C.sub.1 -C.sub.4 alkyl; R.sub.2 is C.sub.1 -C.sub.10 alkyl, C.sub.1 -C.sub.4 arylalkyl or C.sub.2 -C.sub.4 arylalkenyl; and said aryl and each aryl moiety in said arylalkyl and arylalkenyl may be substituted by from one to three substituents independently selected from halogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, halosubstituted C.sub.1 -C.sub.4 alkyl, halosubstituted C.sub.1 -C.sub.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: September 3, 1996
    Assignee: Pfizer Inc.
    Inventors: Akemi Ando, Rodney W. Stevens
  • Patent number: 5552548
    Abstract: The borane reduction of prochiral ketones to optically pure alcohols is effectively achieved by the utilization of catalytic amounts of the new and valuable oxazaborolidine catalysts of formula (I).
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: September 3, 1996
    Assignee: Pfizer Inc.
    Inventor: George J. Quallich
  • Patent number: 5552412
    Abstract: Compounds of this formula ##STR1## are useful for treating or preventing, obesity, breast cancer, osteoporosis, endometriosis, cardiovascular disease and prostatic disease.
    Type: Grant
    Filed: January 9, 1995
    Date of Patent: September 3, 1996
    Assignee: Pfizer Inc
    Inventors: Kimberly O. Cameron, Paul A. Dasilva Jardine, Robert L. Rosati