Patents by Inventor Jurgen Hoffmann

Jurgen Hoffmann 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: 20060166980
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3, R4, R41 to R46, A, B and G have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Application
    Filed: March 22, 2006
    Publication date: July 27, 2006
    Applicant: AstraZeneca AB
    Inventors: Annika Bjore, Magnus Bjorsne, David Cladingboel, Kurt-Jurgen Hoffmann, John Pavey, Fritiof Ponten, Gert Strandlund, Peder Svensson, Colin Thomson, Michael Wilsterman
  • Patent number: 7046154
    Abstract: The invention relates to a flame-monitoring device in which an a.c. input voltage (U1) is limited to a voltage limit (U2) by means of a voltage limiter (4). Said voltage limit (U2) is applied to a flame sensing device (7) which operates by means of the rectifying effect of a flame, and through which a current (i) flows, especially when a flame (6) is present. An asymmetric voltage limit (U2) can be defined by said voltage limiter (4), said limit being then applied to the sensing device (7).
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: May 16, 2006
    Assignee: Siemens Building Technologies AG
    Inventors: Klaus Bott, Alexander Diebold, Jürgen Hoffmann, Reiner Kind
  • Patent number: 7012074
    Abstract: There is provided compounds of formula (I), wherein R1, R2 and Ra to Rb have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: March 14, 2006
    Assignee: AstraZeneca AB
    Inventors: Magnus Bjorsne, Kurt-Jürgen Hoffmann, Fritiof Pontén, Gert Strandlund, Peder Svensson, Michael Wilstermann
  • Publication number: 20060010876
    Abstract: In a method for operating a gas turbine centre in the vicinity of the group nominal full-load conditions, the cooling of the working fluid before and/or during the compression is set in such a way that the respectively attainable full-load power is above the current power. Rapid power demands can therefore be rapidly satisfied by an increase in the turbine inlet temperature or by opening an adjustable inlet guide vane row, whereas the control of the cooling effect, which has a tendency to be more sluggish, is employed to adjust the full-load operating point.
    Type: Application
    Filed: August 11, 2005
    Publication date: January 19, 2006
    Inventors: Jurgen Hoffmann, Tom McKay, Nikolaus Kurz, Tobias Spitzmuller
  • Publication number: 20050109033
    Abstract: A gas turbine group is provided with at least one cooling apparatus for cooling the working medium before and/or during the compression. The cooling power of the cooling apparatus can be adjusted by suitable means. A controller controls the cooling power of the cooling apparatus as a function of a control deviation in the useful power of the gas turbine group. The cooling controller interacts with other controllers of the gas turbine group in such a way that the gas turbine group is itself always operated at least close to its full load operating state. In this context, it is preferable for the inlet guide vane row of the compressor to be maximally open, and for the hot-gas temperature on entry into the turbines to be controlled so that it is constantly at an upper limit value.
    Type: Application
    Filed: July 7, 2004
    Publication date: May 26, 2005
    Inventors: Jost Braun, Jurgen Hoffmann, Uwe Moller
  • Patent number: 6887881
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3, R4, R5a, R5b, R6, X, A, B and D have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: May 3, 2005
    Assignee: AstraZeneca AB
    Inventors: Annika Björ, Magnus Björsne, Torbjörn Halvarsson, Kurt-Jürgen Hoffmann, Bertil Samuelsson, Gert Strandlund
  • Publication number: 20050081529
    Abstract: A gas turbine unit as well as a method for operating a gas turbine with high-pressure turbine and a low-pressure turbine unit are disclosed. A very quick and at the same time easily controllable augmentation or reduction of the shaft power of the gas turbine unit can be achieved by providing at least one liquid droplet injection device on the upstream side of said compressor for injecting liquid into the stream of intake air in order to increase the shaft power generated by the gas turbine unit. The amount of water mass flow corresponding to the desired increase or decrease of shaft power output of the gas turbine unit is added or reduced in the form of liquid droplets in a substantially stepless manner and immediately within a time interval that is determined by the design characteristics of the liquid droplet injection device.
    Type: Application
    Filed: June 4, 2004
    Publication date: April 21, 2005
    Inventors: Giacomo Bolis, Gustav Hagstrom, Jurgen Hoffmann, Thorsten Wasmuth
  • Publication number: 20050076646
    Abstract: A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar, is achieved by providing at least one liquid droplet injection device on the upstream side of the compressor for injecting liquid into the stream of intake air. The injection device allows the addition of liquid mass flow in the form of liquid droplets corresponding to the desired increase of shaft power. The amount of water mass flow corresponding to the desired increase or decrease of shaft power output is added or reduced in a substantially stepless manner immediately within a time interval determined by design characteristics of the injection device. Water mass flow is preferentially injected substantially across the entire cross-section of the intake air guide.
    Type: Application
    Filed: June 4, 2004
    Publication date: April 14, 2005
    Inventors: Giacomo Bolis, Gustav Hagstrom, Jurgen Hoffmann, Thorsten Wasmuth
  • Publication number: 20050004113
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3, R4, R5a, R5b, R5c, R5d, R5e, R5f, R6, X, A, B and D have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Application
    Filed: April 26, 2004
    Publication date: January 6, 2005
    Applicant: AstraZeneca AB
    Inventors: Magnus Bjorsne, Marianne Frantsi, Kurt-Jurgen Hoffmann, Bengt Ohlsson
  • Publication number: 20040221584
    Abstract: A process is provided for the control of the amount of cooling air of a gas turbine set. Suitable means are provided in the cooling system to enable the amount of cooling air to be varied. The control of this means takes place in dependence on an operating parameter (X). This operating parameter is made dependent on the fuel type used.
    Type: Application
    Filed: April 23, 2004
    Publication date: November 11, 2004
    Inventors: Jurgen Hoffmann, Stefan Rofka, Rene Walchli
  • Publication number: 20040178915
    Abstract: The invention relates to a flame-monitoring device in which an a.c. input voltage (U1) is limited to a voltage limit (U2) by means of a voltage limiter (4). Said voltage limit (U2) is applied to a flame sensing device (7) which operates by means of the rectifying effect of a flame, and through which a current (i) flows, especially when a flame (6) is present. An asymmetric voltage limit (U2) can be defined by said voltage limiter (4), said limit being then applied to the sensing device (7).
    Type: Application
    Filed: November 6, 2003
    Publication date: September 16, 2004
    Inventors: Klaus Bott, Alexander Diebold, Jurgen Hoffmann, Reiner Kind
  • Publication number: 20040162410
    Abstract: There is provided compounds of formula I,
    Type: Application
    Filed: February 12, 2004
    Publication date: August 19, 2004
    Applicant: AstraZeneca AB
    Inventors: Thomas Antonsson, David Gustafsson, Kurt-Jurgen Hoffmann, Jan-Erik Nystrom, Henrik Sorensen, Mikael Sellen
  • Publication number: 20040023971
    Abstract: There is provided compounds of formula (I), wherein R1, R2 and Ra to Rb have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Application
    Filed: May 8, 2003
    Publication date: February 5, 2004
    Inventors: Magnus Bjorsne, Kurt-Jurgen Hoffmann, Fritiof Ponten, Gert Strandlund, Peder Svensson, Michael Wilstermann
  • Publication number: 20030153564
    Abstract: There is provided compounds of formula I, 1
    Type: Application
    Filed: December 12, 2002
    Publication date: August 14, 2003
    Applicant: AstraZeneca AB
    Inventors: Annika Bjore, Magnus Bjorsne, David Cladingboel, Kurt-Jurgen Hoffmann, John Pavey, Fritiof Ponten, Gert Strandlund, Peder Svensson, Colin Thomson, Michael Wilsterman
  • Patent number: 6559143
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3, R4, R41 to R46, A, B and G have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: May 6, 2003
    Assignee: AstraZeneca AB
    Inventors: Annika Björe, Magnus Björsne, Kurt-Jürgen Hoffmann, Fritiof Pontén, Gert Strandlund, Peder Svensson, Michael Wilsterman
  • Patent number: 6465481
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3, R4, R5a, R5b, R6, R9, X, A and B have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: October 15, 2002
    Assignee: AstraZeneca AB
    Inventors: Marianne Frantsi, Kurt-Jürgen Hoffmann, Gert Strandlund
  • Publication number: 20020142968
    Abstract: There is provided compounds of formula I,
    Type: Application
    Filed: February 14, 2002
    Publication date: October 3, 2002
    Applicant: AstraZeneca AB
    Inventors: Thomas Antonsson, David Gustafsson, Kurt-Jurgen Hoffmann, Jan-Erik Nystrom, Henrik Sorensen, Mikael Sellen
  • Patent number: 6291475
    Abstract: There is provided a compound of formula I, wherein R1, R2, R9, R10, R11, R12, X, A and B have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: September 18, 2001
    Assignee: AstraZeneca AB
    Inventors: Christer Alstermark, Annika Björe, Magnus Björsne, Marianne Frantsi, Torbjörn Halvarsson, Kurt-Jürgen Hoffmann, Eva-Lotte Lindstedt, Magnus Polla, Gert Strandlund
  • Patent number: 6262028
    Abstract: There is provided compounds of formula I, R1O(O)C—CH2—(R)Cgl—Aze—Pab—R  I wherein R1 and R2 have meanings given in the description, which are useful as prodrugs of inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (eg thrombosis) or as anticoagulants.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: July 17, 2001
    Assignee: AstraZeneca AB
    Inventors: Thomas Antonsson, David Gustafsson, Kurt-Jürgen Hoffmann, Jan-Erik Nyström, Henrik Sörensen, Mikael Sellén
  • Patent number: 5702207
    Abstract: A process for reinforcing slopes, in which the strength of the slope can be calculated and is durable, and damaging after-effects are avoided. Live plants and/or plant parts forming adventitious roots are used for this purpose, and their minimum diameter, their depth of introduction and modular dimension are determined by means of calculation methods known from soil mechanics depending on the slope angle and the properties of the material of the slope.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: December 30, 1997
    Inventor: Jurgen Hoffmann