Patents Examined by Robert Gerstl
  • Patent number: 6462081
    Abstract: The present invention relates to 5-thia-&ohgr;-substituted phenylprostaglandin E derivatives of the formula (I) (wherein, all the symbols are as defined in the specification), process for producing them and pharmaceutical compositions comprising them as active ingredient. The compounds of the formula (I) can bind to PGE2 receptors (especially, subtype EP4) strongly, so they are expected to be useful for prevention and/or treatment of immunological diseases (autoimmune diseases such as amyotrophic lateral sclerosis (ALS), multiple sclerosis, Sjoegren's syndrome, chronic rheumarthrosis and systemic lupus erythematosus etc., and rejection after organ transplantation etc.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: October 8, 2002
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Toru Maruyama, Shuichi Ohuchida
  • Patent number: 6462077
    Abstract: A method of treating ocular hypotension, hypertension, hemorrhage, myocardial ischemia, angina pectoris, coronary contraction, cerebrovascular contraction after subarachnoidal hemorrhage, cerebral hemorrhage and asthma which comprises administering to a mammal suffering therefrom a therapeutically effective amount of a thromboxane ligand which is a compound formula I, wherein Y is (CH2)x; Z is selected from the group consisting of O, OCH2, and (CR2)x, x is an integer of 1 or 2; n is 0 or 1; R2 is hydrogen or an alkyl radical of from 1 to 4 carbons; A is an alkylene or alkenylene radical having from two to seven carbon atoms, which radical may be substituted with one or more hydroxy, oxo, alkyloxy or alkylcarboxy groups or said alkylene or alkenylene may have one or more enchained oxa or imino radicals; B is a methyl radical or a cycloalkyl radical having from three to seven carbon atoms, or an aryl radical, selected from the group consisting of hydrocarbyl aryl and heteroar
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: October 8, 2002
    Assignee: Allergan, Inc.
    Inventors: Robert M. Burk, Achim H-P Krauss, David F. Woodward
  • Patent number: 6462198
    Abstract: The present invention relates to compounds of formula wherein R1 signifies hydrogen or lower alkyl; R2, R2′ signify, independently from each other, hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl; X signifies O, S or two hydrogen atoms not forming a bridge; A1/A2 signify, independently from each other, phenyl or a 6-membered heterocycle containing 1 or 2 nitrogen atoms; B is a group of formula  wherein R3 signifies lower alkyl, lower alkenyl, lower alkinyl, benzyl, lower alkyl-cycloalkyl, lower alkyl-cyano, lower alkyl-pyridinyl, lower alkyl-lower alkoxy-phenyl, lower alkyl-phenyl, which is optionally substituted by lower alkoxy, or phenyl, which is optionally substituted by lower alkoxy, or lower alkyl-thienyl, cycloalkyl, lower alkyl-trifluoromethyl or lower alkyl-morpholinyl, Y signifies —O—, —S— or a bond; Z signifies —O— or —S—; or B is a 5-membered heterocyclic group of formulas
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: October 8, 2002
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Konrad Bleicher, Vincent Mutel, Eric Vieira, Jürgen Wichmann, Thomas Johannes Woltering
  • Patent number: 6458817
    Abstract: This invention provides compounds of Formula I having the structure wherein R1, R2, R3, R4, R5, R6, Y, Z, m, n, and are as defined hereinbefore or a pharmaceutically acceptable salt thereof, which are useful in treating or inhibiting metabolic disorders related to insulin resistance or hyperglycemia (typically associated with obesity or glucose intolerance), atherosclerosis, gastrointestinal disorders, neurogenetic inflammation, glaucoma, ocular hypertension and frequent urination; and are particularly useful in the treatment or inhibition of type II diabetes.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: October 1, 2002
    Assignee: Wyeth
    Inventors: Dominick Anthony Quagliato, Patrick Michael Andrae
  • Patent number: 6455709
    Abstract: An E-isomeric fulleropyrrolidine compound of formula (I): is disclosed. Also disclosed is a method for preparing and polymers prepared from such a compound.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: September 24, 2002
    Inventors: Long Y. Chiang, Vijayaraj Anantharaj
  • Patent number: 6451859
    Abstract: Compounds having a structure according to the following formula: are effective in treating disorders such as bone disorders and glaucoma in a subject in need thereof.
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: September 17, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Mitchell Anthony deLong, David Lindsey Soper, John August Wos, Biswanath De
  • Patent number: 6451858
    Abstract: Disclosed are the compounds of formula I wherein R is methyl or ethyl; R1 is chloro or fluoro; R2 is hydrogen or fluoro; R3 is hydrogen, fluoro, chloro, methyl, ethyl, methoxy, ethoxy or hydroxy; R4 is hydrogen or fluoro; and R5 is chloro, fluoro, trifluoromethyl or methyl; and pharmaceutically acceptable salts thereof, as selective COX-2 cyclooxygenase inhibitors; and pharmaceutically acceptable prodrug esters thereof.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: September 17, 2002
    Assignee: Novartis AG
    Inventors: Roger A. Fujimoto, Leslie W. McQuire, Benjamin B. Mugrage, John H. van Duzer
  • Patent number: 6448408
    Abstract: A process for the preparation of heteroaryl-phenylalanines of formula (II) in which R is a hydrogen atom, a straight or branched C1-C4 alkyl groups or a benzyl group; R1 is an optionally substituted 5 or 6 membered aromatic heterocyclic group with one or two heteroatoms selected among nitrogen, oxygen and sulphur; comprising a cross-coupling reaction among heteroaryl-zinc halide and phenylalanine derivatives is described. Compounds of formula (II) are intermediates useful for the preparation of compounds endowed with pharmacological activity.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: September 10, 2002
    Assignee: Zambon Group S.p.A.
    Inventors: Marco Villa, Maurizio Paiocchi, Katiuscia Arrighi
  • Patent number: 6448293
    Abstract: A compound of general formula (I), or pharmaceutically acceptable salts, solvates or polymorphs thereof; wherein; R1 and R2, which may be the same or different, are hydrogen, C1-C6alkyl, (CH2)m (C3-C6cycloalkyl) wherein m =0, 1, 2 or 3, or R1 and R2 together with the nitrogen to which they are attached form an azetidine ring; each R3 is independently CF3, OCF3, C1-4alkylthio or C1-C4alkoxy; n is 1, 2 or 3; and R4 and R5, which may be the same or different, are: A—X, wherein A =—CH=CH— or —(CH2)p— where p is 0, 1 or 2; X is hydrogen, F, Cl, Br, I, CONR6R7, SO2NR6R7, SO2NHC(=O)R6, OH, C1-4alkoxy, NR8SO2R9, NO2, NR6R11, CN, CO2R10, CHO, SR10, S(O)R9 or SO2R10; R6, R7, R8 and R10 which may be the same or different, are hydrogen or C1-6alkyl optionally substituted independently by one or more R12; R9 is C1-6 alkyl optionally substituted independently by one or more R12; R11 is hydrogen, C1-6 alkyl optionally substituted independently by one or more R12, C(O
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: September 10, 2002
    Assignee: Pfizer Inc.
    Inventors: Mark David Andrews, David Hepworth, Donald Stuart Middleton, Alan Stobie
  • Patent number: 6448410
    Abstract: A shape-retentive compacted article is produced from 1,3-dibromo-5,5-dimethylhydantoin particulate solids by (a) granulating the particulate solids without use of a binder, and (b) pressure compacting granulated 1,3-dibromo-5,5-dimethylhydantoin granules formed in (a) that have a U.S. standard mesh size in the range of about 80 mesh to about 3 mesh, again without use of a binder. So far as is known, never before have 1,3-dibromo-5,5-dimethylhydantoin particulate solids been converted into a compacted form by any method.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: September 10, 2002
    Assignee: Albemarle Corporation
    Inventors: Jonathan N. Howarth, Bruce C. Peters
  • Patent number: 6448414
    Abstract: The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a stereoisomerically- and/or regioisomerically-enriched product. The present invention also relates to hydrolytic kinetic resolutions of racemic and diastereomeric mixtures of epoxides.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: September 10, 2002
    Assignee: President and Fellows of Harvard College
    Inventors: Eric N. Jacobsen, Makoto Tokunaga, Jay F. Larrow
  • Patent number: 6448409
    Abstract: Molecules containing a chiral 1,2-diol unit are synthesized from reactions between aldehydes and N-acyl selones. A chilled N-acyl selone is reacted with a Lewis acid such as TiCl4 and mixed with a tertiary amine such as diisopropylethylamine to generate an enolate solution. Upon further chilling of the enolate solution a desired aldehyde is added and after an acceptable reaction period a quencher is introduced and the product isolated.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: September 10, 2002
    Assignee: The Regents of the University of California
    Inventor: Louis A. Silks, III
  • Patent number: 6444670
    Abstract: This invention provides substituted 4-phenyl, 4-pyridin-2-yl and and 4-pyridin-3-yl substituted indole, benzothiophene and benzofuran compounds: of the formula: or a pharmaceutically acceptable salt thereof, which are useful in treating metabolic disorders related to insulin resistance or hyperglycemia.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: September 3, 2002
    Assignee: Wyeth
    Inventors: Jay E. Wrobel, Arlene J. Dietrich, Madelene M. Antane
  • Patent number: 6436904
    Abstract: Disclosed are compounds which bind VAL-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: August 20, 2002
    Assignees: Elan Pharmaceuticals, Inc., American Home Products Corporation
    Inventors: Susan Ashwell, Reinhardt Bernhard Baudy, Michael A. Pleiss, Dimitrios Sarantakis, Eugene D. Thorsett
  • Patent number: 6436957
    Abstract: Compounds of the formula where W is n is 0, 1, or 2; m is 0, 1, 2, or 3: Y and G are each independently oxygen or sulfur; Z is —O—, —S—, —NH, or —CH2; R1 is hydrogen, C1 to C8 alkyl, substituted C1 to C8 alkyl substituted with one hydroxy, C3 to C8 alkenyl, C3 to C8 alkynyl, aryl, C1 to C3 alkylaryl, C1 to C3 alkylheteroaryl, or -Q-R4; R2 and R3 are each independently hydrogen, C1 to C6 alkyl, aryl, C1 to C3 alkylaryl, or C1 to C3 alkylheteroaryl; R4 is cyano, trifluoromethyl, —COR9, —CO2R9, —CONR9R10, —OR9, —SO2NR9R10, or —S(O)qR9; R8 and R10 are each independently hydrogen, C1 to C8 alkyl, C1 to C3 alkylaryl, aryl, or R9 and R10 may together be taken to form a three- to seven-membered alkyl ring or a three- to seven-membered heteroalkyl ring having 1 heteroatom of O; Q is C1 to C3 alkyl; R11 is hydrogen, —OR12, or —NHCOR12; R12 is hydrogen, C1 to C6 alkyl, aryl, or C1 to C3 alkyl-aryl; q i
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: August 20, 2002
    Assignee: Pfizer Inc.
    Inventors: John Eugene Macor, Martin James Wythes
  • Patent number: 6437143
    Abstract: The present invention relates to the field of chemistry and more particularly to that of therapeutic chemistry. The subject of the present invention is more precisely new 5-phenoxyalkyl-2,4-thiazolidinediones of general formula I: in which A represents a linear or branched alkylene group comprising from 2 to 16 carbon atoms D represents a homo- or heterocarbon mono-, di- or tricyclic aromatic structure which may include one or more heteroatoms X represents the substituent of the aromatic structure and is as defined in Claim 1 n is an integer ranging from 1 to 3 with the proviso that if A represents a butyl radical,  does not represent the 4-chlorophenyl group. The invention also relates to the tautomeric forms, to the enantiomers, diastereoisomers and epimers of the compounds of general formula I, in free or salified form.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: August 20, 2002
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gérard Moinet, Gérard Botton, Etienne Prugnard, Liliane Doare, Micheline Kergoat, Didier Mesangeau
  • Patent number: 6432999
    Abstract: This invention is in the field of antiinflammatory pharmaceutical agents and specifically relates to compounds, compositions and methods for treating disorders mediated by cyclooxygenase-2 or 5-lipoxygenase, such as inflammation.
    Type: Grant
    Filed: June 11, 2001
    Date of Patent: August 13, 2002
    Assignee: Pharmacia Corporation
    Inventors: John J Talley, James A Sikorski, Matthew J Graneto, Jeffrey S Carter, Bryan H Norman, Balekudru Devadas, Hwang-Fun Lu
  • Patent number: 6429226
    Abstract: The invention relates to ophthalmological compositions for topical treatment of glaucoma or ocular hypertension comprising an effective intraocular pressure reducing amount of a prostaglandin derivative of PGA, PGB, PGD, PGE or PGF, in which the omega chain contains a ring structure, in an ophthalmologically compatible carrier. The invention further relates to the preparation of said compositions and their use for treatment of glaucoma or ocular hypertension.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: August 6, 2002
    Assignee: Pharmacia Aktiebolag
    Inventors: Johan Wilhelm Stjernschantz, Bahram Resul
  • Patent number: 6426366
    Abstract: Compounds useful for countering undesired toxic effects to cells, tissues or organs having formula (I) wherein: Ar is a group of formulae (i) or (ii), n is 0 or, when Ar has formula (i) above, then n may also be 1, R is CN, —GC(S)NH2, —C(O)NHR3 or, when R1 is 4-NO2 add R2 is H or 3-OH, then R may also be a group of formulae (iii), (iv), (v), (vi) where R3 is H, phenyl, phenyl(lower alkyl) or pyridylmethyl; R1 and R2 are each independently H, OH, NO2 or, when R is CN, also CH3, F, or CF3, provided that both R1 and R2 are not simultaneously H.
    Type: Grant
    Filed: April 7, 1999
    Date of Patent: July 30, 2002
    Assignee: Notox, Ltd.
    Inventors: Abraham Novogrodsky, Alexander Levitzki, Aviv Gazit
  • Patent number: 6426428
    Abstract: Topically applicable, stable, UV-photoprotective cosmetic/dermatological compositions well suited for the photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, comprise (a) an effective UV-photoprotecting amount of at least one dibenzoylmethane UV-sunscreen compound and (b) an effective dibenzoylmethane compound (a) photostabilizing amount of at least one benzalmalonate silane having the structural formula (I):
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: July 30, 2002
    Assignee: Societe L′Oreal
    Inventors: Serge Forestier, Hervé Richard, Delphine Allard, Didier Candau