Patents by Inventor Walter-Gunar Friebe

Walter-Gunar Friebe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20050124670
    Abstract: There are presented compounds of formula (I) their pharmaceutically acceptable salts, enantiomeric forms thereof, diastereoisomers and racemates, the preparation of the above-mentioned compounds, medicaments containing them and their manufacture, as well as the use of the above-mentioned compounds in the control or prevention of illnesses such as cancer.
    Type: Application
    Filed: October 15, 2004
    Publication date: June 9, 2005
    Inventors: Birgit Bossenmaier, Walter-Gunar Friebe, Ulrike Reiff, Matthias Rueth, Edgar Voss
  • Patent number: 6887864
    Abstract: This invention provides novel azepane derivatives or pharmaceutically acceptable salts thereof, according to the general formula (I) wherein the symbols are defined in the specification, as well as processes for their manufacture. The compounds according to this invention possess anti-cell proliferation activity and show an increased plasma-stability.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: May 3, 2005
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter-Gunar Friebe, Birgit Masjost, Ralf Schumacher
  • Publication number: 20050038091
    Abstract: The present invention relates to novel oxazoles of formula (I) their pharmaceutically acceptable salts, enantiomeric forms, diastereoisomers and racemates, the preparation of the above-mentioned compounds, medicaments containing them and their manufacture, as well as the use of the above-mentioned compounds in the control or prevention of illnesses such as cancer.
    Type: Application
    Filed: August 3, 2004
    Publication date: February 17, 2005
    Inventors: Birgit Bossenmaier, Walter-Gunar Friebe, Ulrike Reiff, Matthias Rueth, Edgar Voss
  • Publication number: 20040254217
    Abstract: Compounds of formula (I) 1
    Type: Application
    Filed: April 28, 2004
    Publication date: December 16, 2004
    Inventors: Birgit Bossenmaier, Walter-Gunar Friebe, Ulrike Reiff, Matthias Rueth, Edgar Voss
  • Publication number: 20040209933
    Abstract: The present invention 1 includes compounds of formula (I), 1
    Type: Application
    Filed: March 25, 2004
    Publication date: October 21, 2004
    Inventors: Birgit Bossenmaier, Walter-Gunar Friebe, Thomas Friess, Bernhard Goller, Matthias Rueth, Edgar Voss
  • Publication number: 20030236266
    Abstract: The present invention concerns new amino alcohol derivatives, a process for their production as well as pharmaceutical preparations and reagents which contain these substances.
    Type: Application
    Filed: January 31, 2002
    Publication date: December 25, 2003
    Applicant: Roche Diagnostics GmbH
    Inventors: Walter-Gunar Friebe, Nikolaos Dimoudis, Uwe Michaelis, Bernhard Knipp
  • Publication number: 20030181716
    Abstract: This invention provides novel azepane derivatives or pharmaceutically acceptable salts thereof, according to the general formula (I) 1
    Type: Application
    Filed: March 6, 2003
    Publication date: September 25, 2003
    Inventors: Walter-Gunar Friebe, Birgit Masjost, Ralf Schumacher
  • Patent number: 6506755
    Abstract: 5-Arylidene-4-oxo-2-thioxo-3-thiazolidinecarboxylic acids of formula I in which the symbols R1, R2, A, A1 and A2 have the significance given in the description as medicaments for the treatment of cancer diseases.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: January 14, 2003
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter-Gunar Friebe, Hans-Willi Krell, Sabine Woelle, Hans-Peter Wolff
  • Patent number: 6444832
    Abstract: Compounds of formula I in which R1 denotes hydrogen or methyl R2 denotes lower straight-chained or branched alkyl with 1 to 10 carbon atoms R3 denotes hydrogen or lower alkyl n denotes 0-12 R4 denotes alkyl, alkenyl or alkinyl with 6 to 24 carbon atoms, processes for the production thereof as well as pharmaceutical agents containing these compounds for the treatment of osteoporosis.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: September 3, 2002
    Inventors: Angelika Esswein, Lothar Kling, Ulrike Leser, Walter-Gunar Friebe
  • Publication number: 20020037901
    Abstract: 5-Arylidene-4-oxo-2-thioxo-3-thiazolidinecarboxylic acids of formula I 1
    Type: Application
    Filed: January 23, 2001
    Publication date: March 28, 2002
    Inventors: Walter-Gunar Friebe, Hans-Willi Krell, Sabine Woelle, Hans-Peter Wolff
  • Patent number: 6326378
    Abstract: The present invention relates to the method of treating leukemia, lymphoma or inhibiting the proliferation of cells with a compound of formula I.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: December 4, 2001
    Assignee: Roche Diagnostics GmbH
    Inventors: Walter-Gunar Friebe, Wolfgang Schaumann, Otto-Henning Wilhelms
  • Patent number: 6307051
    Abstract: New compounds of formula I wherein: R and R1 are independently selected from hydrogen, (C1-C6)alkyl, styryl and (C3-C6)cycloalkyl or, taken together with the carbon to which they are linked, form a (C3-C6)cycloalkyl group; A is selected from the following groups: —CH2C≡CCH2—, or —(CH2)q—NH—(CH2)q—, wherein q is an integer from 2 to 3 B is selected from T is selected from —CH2—C≡CH, —C≡CH, —(CH2)p—R3, —CH═CH—R3, —CH2—NHCO—R3, —(CH2)p—O—R3, —CH(NH2)—CH2R3, in which p is 0 or an integer from 1 to 4, R3 is a carbocyclic or heterocyclic ring as medicaments having antitumor and/or antimetastatic activities.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: October 23, 2001
    Assignee: Roche Diagnostics GmbH
    Inventors: Walter-Gunar Friebe, Bernhard Koenig, Hans-Willi Krell, Sabine Woelle
  • Patent number: 6121322
    Abstract: The invention provides novel azulene derivatives of general formula I ##STR1## wherein R.sub.1 to R.sub.6 have the significance given in the description, as well as their tautomers, enantiomers, diastereomers, racemates and physiologically compatible salts or esters and substances which are hydrolyzed or metabolized in vivo to compounds of formula I.The invention is also concerned with a process and intermediates for the manufacture of the above compounds, pharmaceutical compositions which contain such compounds as well as the use of these compounds in the treatment of inflammatory conditions.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: September 19, 2000
    Assignee: Boehringer Mannheim GmbH
    Inventors: Joachim Dickhaut, Walter-Gunar Friebe, Frank Grams, Rainer Haag, Herbert Leinert
  • Patent number: 5972947
    Abstract: The present invention concerns new oxazolidinone derivatives, processes for their production as well as pharmaceutical agents containing these substances. The present invention concerns compounds of the general formula I ##STR1## in which the symbols have the meanings as listed in the claims.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: October 26, 1999
    Assignee: Roche Diagnostics GmbH
    Inventors: Christos Tsaklakidis, Wolfgang Schafer, Liesel Dorge, Walter-Gunar Friebe, Angelika Esswein
  • Patent number: 5856325
    Abstract: Use of compounds of the formula I ##STR1## in which R.sub.1 signifies an amino, C.sub.1 -C.sub.6 -alkylamino, di-C.sub.1 -C.sub.6 -alkylamino or a hydroxyl group, R.sub.2 and R.sub.3, which are the same or different, each hydrogen, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, cyano, carboxyl, halogen-C.sub.1 -C.sub.6 -alkyl, cyano-C.sub.1 -C.sub.6 -alkyl, carboxy-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 - alkyl, hydroxyl, carboxy-C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkoxycarbonyl-C.sub.1 -C.sub.6 -alkoxy or aminocarbonyl-C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkylaminocarbonyl-C.sub.1 -C.sub.6 -alkoxy or di-C.sub.1 -C.sub.6 -alkylaminocarbonyl-C.sub.1 -C.sub.6 -alkoxy and n the number 0 or 1, their tautomers, as well as salts with non-toxic acids or bases, for the preparation of medicaments with PLA.sub.2 -inhibiting action, new compounds and process for their preparation.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: January 5, 1999
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Werner Scheuer, Ulrich Tibes
  • Patent number: 5716983
    Abstract: Use of compounds of formula I ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, Y and Z have the meanings stated in the claims, tautomers thereof as well as their salts with non-toxic acids or bases for the production of pharmaceutical agents having an inhibitory action on PLA.sub.2 in addition to compounds of formula I in which X does not denote a valency and processes for the production thereof.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: February 10, 1998
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Wolfgang Schaefer, Werner Scheuer, Ulrich Tibes
  • Patent number: 5696155
    Abstract: Compounds of formula I ##STR1## in which Q denotes hydrogen, a hydroxy group or a C.sub.1 to C.sub.8 alkoxy group which can be substituted if desired, by carboxyl or C.sub.1 to C.sub.6 alkoxycarbonyl and eitherY and Z together form a group ##STR2## and X represents hydrogen, C.sub.1 to C.sub.6 alkyl or C.sub.2 to C.sub.6 alkenyl orY and X together form a group ##STR3## or an alkylene residue of 2-4 carbon atoms and Z represents hydrogen, C.sub.1 to C.sub.6 alkyl or C.sub.1 to C.sub.6 alkanoyl, whereR denotes hydrogen or a C.sub.1 to C.sub.6 alkyl residue as well as physiologically tolerated salts thereof, processes for their production and pharmaceutical agents containing these compounds for the treatment of inflammatory diseases and allergic diseases.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: December 9, 1997
    Assignee: Boehringer Mannheim BmbH
    Inventors: Walter-Gunar Friebe, Werner Scheuer, Ulrich Tibes
  • Patent number: 5547980
    Abstract: Bicyclic sulfones of the formula I ##STR1## in which Y is a halogen atom,Z is a halogen atom or hydrogen,m and n, that are different and represent an integer 0 or 1,A and B each represent hydrogen or together represent a valency bond,X.sub.1 and X.sub.2 each represent NR.sub.1 R.sub.2 or, if A and B represent a valency bond, one of the two residues X.sub.1 or X.sub.2 represents hydrogen and the other represents NR.sub.1 R.sub.2,R.sub.1 denotes a C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.2 -C.sub.6 alkenyl or a benzyl residue substituted if desired, by halogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy or hydroxy andR.sub.2 denotes hydrogen or a residue from the definition of R.sub.1 orR.sub.1 and R.sub.2 together with the nitrogen atom form a heterocyclic ring which if desired, contains further heteroatoms and/or can be substituted by C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: August 20, 1996
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Erhard Reinholz, Henning Wilhelms
  • Patent number: 5447934
    Abstract: Compounds of the formula I ##STR1## in which X.sup.1 and X.sup.2 the same or different, signify hydrogen, a C.sub.1 - to C.sub.6 -alkyl radical or a halogen atom or, insofar as they stand in neighbouring positions, together with the carbon atoms carrying them, form a condensed-on phenyl ring, and R signifies a possibly substituted carbocyclic or heterocyclic saturated or unsaturated radical, as well as their physiologically compatible salts, processes for their preparation, as well as medicaments which contain these compounds for the treatment of allergic diseases.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: September 5, 1995
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Henning Wilhelms
  • Patent number: 5399575
    Abstract: Compounds of the formula I ##STR1## in which A signifies an alkylene radical with 1 to 3 carbon atoms or a group --CH.dbd.CH--, B an oxygen atom or a valency bond, m a whole number from 0 to 5, n the number 0 or 1, X a valency bond, an oxygen atom or a sulphur atom, Y a valency bond or a phenylene radical substituted, if desired, one or more times by C.sub.1 - to C.sub.6 -alkyl, C.sub.1 - to C.sub.6 -alkoxy, halogen, hydroxyl or aminocarbonyl, Z hydrogen, halogen, C.sub.1 - to C.sub.6 -alkyl or cyano and R a group CN, COOH, COOC.sub.1 - to C.sub.6 -alkyl, CONH-tetrazolyl, CON(OH)(C.sub.1 -C.sub.6 -alkyl) or 5-(1H)-tetrazolyl, as well as, for the case that Y represents a phenylene radical, also hydrogen, with the exception of the compound 4-[2-(4)-pyridinovinyl]-carboxymethoxybenzene, their physiologically compatible salts and processes for their preparation, as well as medicaments containing these compounds for the treatment of allergic diseases.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: March 21, 1995
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Wolfgang Kampe, Marcel Linssen, Otto-Henning Wilhelms