Patents by Inventor Bernhard Wietfeld

Bernhard Wietfeld 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: 20090326066
    Abstract: The invention relates to a process for producing a compound according to formula (i) or salt thereof, wherein R1 and R1? are independently hydrogen or an amine protecting group and R2 is a carboxyl group or an ester group, comprising reacting a compound according to formula (ii) or salt thereof, wherein R1, R1? and R2 are defined as above, with hydrogen in the presence of a transition metal catalyst and a chiral ligand, wherein the transition metal is selected from group 7, 8 or 9 of the periodic table. Furthermore, the invention relates to products obtainable by said process and to their use in the production of NEP inhibitors. Moreover, the invention relates to the use of transition metal catalyst in the preparation of NEP inhibitors or prodrugs thereof.
    Type: Application
    Filed: September 11, 2007
    Publication date: December 31, 2009
    Applicant: NOVARTIS AG
    Inventors: David Hook, Bernhard Wietfeld, Matthias Lotz
  • Patent number: 7615609
    Abstract: Provided is a process for preparing cyclic somatostatin analogues and the linear intermediates used in this process.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: November 10, 2009
    Assignee: Novartis AG
    Inventors: Heribert Hellstern, Werner Pachinger, Walter Prikoszovich, Bernhard Wietfeld
  • Publication number: 20090069225
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Application
    Filed: November 5, 2008
    Publication date: March 12, 2009
    Applicant: NOVARTIS AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Patent number: 7473761
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: January 6, 2009
    Assignee: Novartis AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Publication number: 20080312456
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Application
    Filed: August 25, 2008
    Publication date: December 18, 2008
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Patent number: 7449587
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: November 11, 2008
    Assignee: Novartis AG
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Patent number: 7329660
    Abstract: The invention relates to the treatment of leukemias with an inhibitor of the activity of VEGF receptor tyrosine kinase of the formula I, the substituents being defined in the specification; as well as to new phthalazine derivatives; processes for the preparation thereof; the application thereof in a process for the treatment of the human or animal body; the use thereof for the treatment of a disease, especially a disease caused by ocular neovascularization, such as age-related macula degeneration or diabetic retinopathy, or other diseases that respond to the inhibition of tyrosine kinases, such as a proliferative disease; a method for the treatment of such disease in mammals; and the use of such a compound for the manufacture of a pharmaceutical preparation for the treatment especially of a disease as mentioned above.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: February 12, 2008
    Assignee: Novartis AG
    Inventors: Guido Bold, Janet D King, Joerg Frei, Richard Heng, Paul W Manley, Bernhard Wietfeld, Jeanette M Wood
  • Publication number: 20080021225
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Application
    Filed: August 16, 2007
    Publication date: January 24, 2008
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Patent number: 7294722
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: November 13, 2007
    Assignee: Novartis AG
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Publication number: 20060258838
    Abstract: Provided is a process for preparing cyclic somatostatin analogues and the linear intermediates used in this process.
    Type: Application
    Filed: August 6, 2004
    Publication date: November 16, 2006
    Inventors: Heribert Hellstern, Werner Pachinger, Walter Prikoszovich, Bernhard Wietfeld
  • Publication number: 20060217388
    Abstract: The invention relates to the treatment of leukemias with an inhibitor of the activity of VEGF receptor tyrosine kinase of the formula I, the substituents being defined in the specification; as well as to new phthalazine derivatives; processes for the preparation thereof; the application thereof in a process for the treatment of the human or animal body; the use thereof for the treatment of a disease, especially a disease caused by ocular neovascularization, such as age-related macula degeneration or diabetic retinopathy, or other diseases that respond to the inhibition of tyrosine kinases, such as a proliferative disease; a method for the treatment of such disease in mammals; and the use of such a compound for the manufacture of a pharmaceutical preparation for the treatment especially of a disease as mentioned above.
    Type: Application
    Filed: May 26, 2006
    Publication date: September 28, 2006
    Inventors: Guido Bold, Janet King, Jorg Frei, Richard Heng, Paul Manley, Bernhard Wietfeld, Jeanette Wood
  • Publication number: 20060189814
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Application
    Filed: December 11, 2003
    Publication date: August 24, 2006
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Publication number: 20050176711
    Abstract: The invention relates to the treatment of an inflammatory disease, especially an inflammatory rheumatoid or rheumatic disease, and/or pain with an inhibitor of the activity of VEGF receptor tyrosine kinase of the formula I, wherein r is 0 to 2, n is 0 to 3 R1 and R2 a) are independently in each case a lower alkyl; b) together form a bridge of subformula I*, wherein the bond is achieved via the two terminal C atoms and m is 0 to 4, or c) together form a bridge of subformula I**, wherein one or two of the ring members T1, T2, T3 and T4 are nitrogen, and the others are in each case CH, and the bond is achieved via atoms T1 and T4; G is —C(?O)—, —CHF—, —CF2—, lower alkylene, C2-C6alkenylene, lower alkylene or C3-C6alkenylene substituted by acyloxy or hydroxy, —CH2—O—, —CH2S—, —CH2—NH—, —CH2—O—CH2—, —CH2—S—CH2—, —CH2—NH—CH2—, oxa (—O—), thia (—S—), imino (—NH—), —CH2—O—CH2—, —CH2S—CH2— or —CH2—NH—CH2—; A, B, D, E and T are independently N or CH subject to the proviso that at least one and not more t
    Type: Application
    Filed: April 5, 2005
    Publication date: August 11, 2005
    Inventors: Guido Bold, Janet King, Joerg Frei, Richard Heng, Paul Manley, Bernhard Wietfeld, Jeanette Wood
  • Patent number: 6911440
    Abstract: The invention relates to the treatment of an inflammatory disease, especially an inflammatory rheumatoid or rheumatic disease, and/or pain with an inhibitor of the activity of VEGF receptor tyrosine kinase of the formula I, the substituents being defined in the specification; as well as to new phthalazine derivatives; processes for the preparation thereof, the application thereof in a process for the treatment of the human or animal body; the use thereof for the treatment of a disease, especially a disease caused by ocular neovascularization, such as age-related macula degeneration or diabetic retinopathy, or other diseases that respond to the inhibition of tyrosine kinases, such as a proliferative disease; a method for the treatment of such disease in mammals; and the use of such a compound for the manufacture of a pharmaceutical preparation for the treatment especially of a disease as mentioned above.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: June 28, 2005
    Assignee: Novartis AG
    Inventors: Guido Bold, Janet Dawson King, Jörg Frei, Richard Heng, Paul William Manley, Bernhard Wietfeld, Jeanette Marjorie Wood
  • Publication number: 20050014686
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Application
    Filed: July 30, 2001
    Publication date: January 20, 2005
    Inventors: Rainer Albert, Wlifried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meissenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Publication number: 20040142934
    Abstract: The invention relates to the treatment of an inflammatory disease, especially an inflammatory rheumatoid or rheumatic disease, and/or pain with an inhibitor of the activity of VEGF receptor tyrosine kinase of the formula I, 1
    Type: Application
    Filed: November 26, 2003
    Publication date: July 22, 2004
    Inventors: Guido Bold, Janet Dawson King, Jorg Frei, Richard Heng, Paul William Manley, Bernhard Wietfeld, Jeanette Marjorie Wood
  • Patent number: 6686347
    Abstract: The invention relates to the treatment of an inflammatory disease, especially an inflammatory rheumatoid or rheumatic disease, and/or pain with an inhibitor of the activity of VEGF receptor tyrosine kinase of the formula I, the substituents being defined in the specification; as well as to new phthalazine derivatives; processes for the preparation thereof; the application thereof in a process for the treatment of the human or animal body; the use thereof for the treatment of a disease, especially a disease caused by ocular neovascularization, such as age-related macula degeneration or diabetic retinopathy, or other diseases that respond to the inhibition of tyrosine kinases, such as a proliferative disease; a method for the treatment of such disease in mammals; and the use of such a compound for the manufacture of a pharmaceutical preparation for the treatment especially of a disease as mentioned above.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: February 3, 2004
    Assignee: Novartis AG
    Inventors: Guido Bold, Janet Dawson King, Jörg Frei, Richard Heng, Paul William Manley, Bernhard Wietfeld, Jeanette Marjorie Wood
  • Publication number: 20030013718
    Abstract: The invention relates to the treatment of an inflammatory disease, especially an inflammatory rheumatoid or rheumatic disease, and/or pain with an inhibitor of the activity of VEGF receptor tyrosine kinase of the formula I, 1
    Type: Application
    Filed: September 26, 2001
    Publication date: January 16, 2003
    Inventors: Guido Bold, Janet Dawson King, Jorg Frei, Richard Heng, Paul William Manley, Bernhard Wietfeld, Jeanette Marjorie Wood
  • Patent number: 5055595
    Abstract: Etherified fluorescein compounds of the general formula ##STR1## in which X.sub.1 is alkyl having 4 to 12 carbon atoms or cycloalkyl and X.sub.2 is alkyl which is unsubstituted or substituted by halogen, hydroxyl, cyano or lower alkoxy, or cycloalkyl, the rings A and B, independently of one another, are unsubstituted or substituted by halogen, lower alkyl or lower alkoxy, and the ring D is unsubstituted or substituted by halogen, nitro, lower alkyl, lower alkoxy, lower alkylthio, lower alkoxycarbonyl, amino, mono-lower alkylamino or di-lower alkylamino, with the exception that X.sub.1 and X.sub.2 are not at the same time n-butyl.These novel lactone compounds are particularly suitable for use a color formers in pressure-sensitive or heat-sensitive recording materials and they produce intense yellow, orange or rose-pink colorations.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: October 8, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Bernhard Wietfeld
  • Patent number: 5260280
    Abstract: Sialic acid binding proteins, sialic acid-binding peptides and sialic acid containing oligo-saccharides are active ingredients of a novel bacterial enterotoxin neutralizer and interfere with the binding of enterotoxins, including cholera toxin, to receptors so as to exert an effect of neutralizing the toxicity, thus being utilized as an effective neutralizer and are safe and available cheaply and abundantly from by-products produced during the processing of cow's milk which renders the enterotoxin neutralizer economically advantageous for commercial use.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: November 9, 1993
    Assignee: Snow Brand Milk Products Co., Ltd.
    Inventors: Hiroko Isoda, Yoshihiro Kawasaki, Morimasa Tanimoto, Shunichi Dosako, Tadashi Idota