Patents Represented by Attorney, Agent or Law Firm Alan R. Stempel
  • Patent number: 6441183
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo [1,2-&agr;]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment or prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 27, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Patent number: 6437148
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment or prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 20, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Patent number: 6432995
    Abstract: Novel aromatic heterocyclic compounds inhibit cytokines production involved in immunoregulation and inflammation such as interleukin-1 and tumor necrosis factor production. The compounds are therefore useful in pharmaceutic compositions for treating diseases or pathological conditions involving inflammation such as chronic inflammatory diseases.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: August 13, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventor: Eugene R. Hickey
  • Patent number: 6433183
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-&agr;]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment or prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 13, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Patent number: 6429328
    Abstract: The invention relates to new compounds of general formula I or the pharmaceutically acceptable salts thereof, wherein X=N-R3 or CH-R4, Y=CH2 or (CH2)2, Z=O or H2; and R1, R2, R3, R4 and Ar have the meanings given in the specification, and the preparation and use thereof. The new compounds are valuable neurokinin (tachykinin) antagonists.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: August 6, 2002
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Sven Luettke, Andreas Mathes
  • Patent number: 6423298
    Abstract: The present invention relates to new pharmaceutical formulations for aerosols with at least two or more active substances for administration by inhalation or by nasal route. Specifically, the invention relates to pharmaceutical preparations for propellant-driven metered dose aerosols using a fluorohydrocarbon (HFC) as propellant, which contain a combination of active substance of two or more active substances, wherein at least one active substance is present in dissolved form together with at least one other active substance in the form of suspended particles.
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: July 23, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Daniel P. McNamara, George A. DeStefano
  • Patent number: 6420380
    Abstract: Racemates, diastereoisomers and optical isomers of a compound of formula (I): wherein B is H, a C6 or C10 aryl, C7-16 aralkyl; Het or (lower alkyl)-Het, all of which optionally substituted with C1-6 alkyl; C1-6 alkoxy; C1-6 alkanoyl; hydroxy; hydroxyalkyl; halo; haloalkyl; nitro; cyano; cyanoalkyl; amino optionally substituted with C1-6 alkyl; amido; or (lower alkyl)amide; or B is an acyl derivative of formula R4—C(O)—; a carboxyl of formula R4—O—C(O)—; an amide of formula R4—N(R5)—C(O)—; a thioamide of formula R4—N(R5)—C(S)—; or a sulfonyl of formula R4—SO2; R5 is H or C1-6 alkyl; and Y is H or C1-6 alkyl; R3 is C1-8 alkyl, C3-7 cycloalkyl, or C4-10 alkylcycloalkyl, all optionally substituted with hydroxy, C1-6 alkoxy, C1-6 thioalkyl, amido, (lower alkyl)amido, C6 or C10 aryl, or C7-16 aralkyl; R2 is CH2—R20, NH—R20, O—R20 or S—R20, wherein R20 is a saturated or unsaturated C3-7 cycloalkyl o
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: July 16, 2002
    Assignee: Boehringer Ingelheim (Canada) Ltd.
    Inventors: Montse Llinas-Brunet, Murray D. Bailey, Dale R. Cameron, Ellse Ghiro, Nathalie Goudreau, Marc-Andre Poupart, Jean Rancourt, Youla S. Tsantrizos, Anne-Marie Faucher, Teddy Halmos, Dominik M. Wernic
  • Patent number: 6420359
    Abstract: Provided are compounds of the general formula I: wherein R2 is selected from the group consisting of H, F, Cl, (C1-4) alkyl, (C3-4) cycloalkyl and CF3; R4 is H or Me; R5 is H, Me or Et, with the proviso that R4 and R5 are not both Me, and if R4 is Me then R5 cannot be Et; R11 is Et, cyclopropyl, propyl, isopropyl, or isobutyl; and Q is selected from the group consisting of: and pharmaceutically acceptable salts thereof, as inhibitors of HIV reverse transcriptase, wild-type and several mutant strains.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: July 16, 2002
    Assignee: Boehringer Ingelheim (Canada) Ltd.
    Inventor: Bruno Simoneau
  • Patent number: 6419899
    Abstract: Pharmaceutical preparations for producing powder aerosols using propellant gases which use TG 227, and possibly also TG 11, TG 12, TGH 114, propane, butane, pentane or DME.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: July 16, 2002
    Assignee: Boehringer Ingelheim KG
    Inventors: Hans-Hermann Weil, Ottfried Daab
  • Patent number: 6420364
    Abstract: Disclosed are novel cathepsin S, K, F, L and B reversible inhibitory compounds of the formulas (I), (II), (Ia) and (Ib) further defined herein. The compounds are useful for treating autoimmune diseases. Also disclosed are processes for making such novel compounds.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: July 16, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Michel Jose Emmanuel, Leah L. Frye, Eugene R. Hickey, Weimin Liu, Tina Marie Morwick, Denice Mary Spero, Sanxing Sun, David S. Thomson, Yancey David Ward, Erick Richard Roush Young
  • Patent number: 6417382
    Abstract: The invention relates to a process suitable for large-scale industrial use for preparing compounds of general formula (I) wherein: R1 denotes a group selected from among methyl, ethyl, propyl, cyclopentyl, cyclohexyl, phenyl, benzyl and —C(Me2)phenyl, each of which is optionally mono-, di- or trisubstituted by hydroxy; and, R2 denotes a group selected from among methyl, ethyl, propyl and benzyl.
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: July 9, 2002
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Joerg Brandenburg, Rolf Schmid, Rainer Soyka, Ralf Anderskewitz, Rolf Bauer, Rainer Hamm, Jutta Kroeber
  • Patent number: 6417190
    Abstract: The invention relates to the use of tricyclic nitrogen heterocycles of general formula I as pharmaceutical compositions with an inhibitory effect on PDE IV, wherein the groups R1, R2 and R3 have the meanings given in the specification and claims.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: July 9, 2002
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Matthias Hoffmann, Birgit Jung, Ulrike Kuefner-Muehl, Christopher John Montague Meade
  • Patent number: 6414161
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl- 1-H-imidazo[ 1 ,2-a]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment of prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: July 2, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Patent number: 6413497
    Abstract: New advantageous propellent gas mixtures contain two or more components, at least one of which is a partially fluorinated lower alkane, and may be used in pharmaceutical preparations.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: July 2, 2002
    Assignee: Boehringer Ingelheim KG
    Inventors: Hans-Hermann Weil, Ottfried Daab
  • Patent number: 6414153
    Abstract: Novel compounds of the formula I: which are useful for treating or preventing inflammatory and immune cell-mediated diseases. Exemplary compounds are: 3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-1,3-dihydroindol-2-one; 3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-3-methyl-1,3-dihydro-indol-2-one; 3-benzyl-1-(3,5-dichlorophenyl)-3-methyl-1,3-dihydroindol-2-one; 3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-4-hydroxy-3-methyl-1,3-dihydroindol-2-one; and, 3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-5-fluoro-1,3-dihydroindol-2-one.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: July 2, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Terence Alfred Kelly, Jiang-Ping Wu, Daniel Kuzmich, Yancey David Ward, Leah Lynn Frye
  • Patent number: 6413990
    Abstract: Bezimidazole derivatives of general formula (I) having tryptase-inhibitory activity. Exemplary are: N-{2-[2-(4-amidinophenyl)-ethyl]-1-methyl-benzimidazol-5-yl}-N-diethylaminoethyl-(4-ethoxycarbonyl-benzenesulphonamide)-hydrochloride, N-{2-[2-(4-amidinophenyl)-ethyl]-1-methyl-benzimidazol-5-yl}-N-diethylaminoethyl-(dansylamide)-dihydrochloride, and N-{2-[2-(4-amidinophenyl)-ethyl]-1-methyl-benzimidazol-5-yl}-N-diethylaminoethyl-(3-bromo-benzenesulphonamide)-hydrochloride.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: July 2, 2002
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Ralf Anderskewitz, Christine Braun, Hans Briem, Bernd Disse, Christoph Hoenke, Hans Michael Jennewein, Georg Speck
  • Patent number: 6410742
    Abstract: The invention relates to polymorphs of 4′-[2-n-propyl-4-methyl-6-(l-methylbenzimid azol-2-yl)benzimidazol-1-ylmethyl]biphenyl-2-carboxylic acid (INN: telmisartan), particularly polymorphic form B, mixtures of the polymorphs, processes for preparing telmisartan containing form B and the use thereof for preparing a pharmaceutical composition.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: June 25, 2002
    Assignee: Boehringer Ingelheim Pharma KG
    Inventor: Heinrich Schneider
  • Patent number: 6410531
    Abstract: Racemates, diastereoisomers and optical isomers of a compound of formula (I): wherein B is H, a C6 or C10 aryl, C7-16 aralkyl; Het or (lower alkyl)-Het, all of which optionally substituted with C1-6 alkyl; C1-6 alkoxy; C1-6 alkanoyl; hydroxy; hydroxyalkyl; halo; haloalkyl; nitro; cyano; cyanoalkyl; amino optionally substituted with C1-6 alkyl; amido; or (lower alkyl)amide; or B is an acyl derivative of formula R4—C(O)—; a carboxyl of formula R4—O—C(O)—; an amide of formula R4—N(R5)—C(O)—; a thioamide of formula R4—N(R5)—C(S)—; or a sulfonyl of formula R4—SO2; R5 is H or C1-6 alkyl; and Y is H or C1-6 alkyl; R3 is C1-8 alkyl, C3-7 cycloalkyl, or C4-10 alkylcycloalkyl, all optionally substituted with hydroxy, C1-6 alkoxy, C1-6 thioalkyl, amido, (lower alkyl)amido, C6 or C10 aryl, or C7-16 aralkyl; R2 is CH2—R20, NH—R20, O—R20 or S—R20, wherein R20 is a saturated or unsaturated C3-7 cycloalkyl o
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: June 25, 2002
    Assignee: Boehringer Ingelheim (Canada) Ltd.
    Inventors: Montse Llinas-Brunet, Murray D. Bailey, Dale R. Cameron, Elise Ghiro, Nathalie Goudreau, Marc-Andre Poupart, Jean Rancourt, Youla S. Tsantrizos, Anne-Marie Faucher, Teddy Halmos, Dominik M. Wernic
  • Patent number: 6407238
    Abstract: Disclosed is a process of making substituted pyrazoles from substituted benzophenone hydrazones with a variety of 1,3-bifunctional substrates under acid conditions. The pyrazole compounds are useful for making pharmaceutical compounds.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: June 18, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: James A. Baron, Vittorio Farina, Nizar Haddad
  • Patent number: 6407130
    Abstract: The invention relates to carboxamide-substituted benzimidazole derivatives of general formula (I) wherein the groups R1, R2, R3 and R4 may have the meanings given in the claims and in the specification, processes for preparing them and the use of carboxamide-substituted benzimidazole derivatives as pharmaceutical compositions, particularly as pharmaceutical compositions with a tryptase-inhibiting effect.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: June 18, 2002
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Ralf Anderskewitz, Christine Braun, Hans Briem, Bernd Disse, Christoph Hoenke, Hans Michael Jennewein, Georg Speck