Patents by Inventor Michael Butter

Michael Butter 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: 20080311417
    Abstract: An arrangement for manufacturing a crystal of the melt of a raw material comprises: a furnace having a heating device with one or more heating elements, which are configured to generate a gradient temperature field directed along a first direction, a plurality of crucibles for receiving the melt, which are arranged within the gradient temperature field side by side, and a device for homogenizing the temperature field within a plane perpendicular to the first direction in the at least two crucibles. The arrangement further has a filling material inserted within a space between the crucibles wherein the filling shows an anisotropic heat conductivity. Additionally or alternatively, the arrangement may comprise a device for generating magnetic migration fields, both the filling material having the anisotropic heat conductivity and the device for generating magnetic migration fields being suited to compensate or prevent the formation of asymmetric phase interfaces upon freezing of the raw melt.
    Type: Application
    Filed: June 5, 2008
    Publication date: December 18, 2008
    Inventors: Stefan Eichler, Thomas Bunger, Michael Butter, Rico Ruhmann, Max Scheffer-Czygan
  • Publication number: 20080207903
    Abstract: A process for formation of a compound of formula (I) or a pharmaceutically acceptable salt thereof, (A chemical formula should be inserted here—please see paper copy enclosed herewith) I via a Heck reaction is described. Intermediates useful in the process and processes for making said intermediates are also described.
    Type: Application
    Filed: December 22, 2005
    Publication date: August 28, 2008
    Inventors: Michael Butters, Steven Robert Lenger, Paul Michael Murray, Evan William Snape
  • Patent number: 7307174
    Abstract: Novel Process and Intermediates. A process for preparing a compound of formula (I) where R4 and R5 are as defined in the specification; and R6 is hydrogen or a protecting group, which process comprises cyclisation of a compound of formula (II) where R4 and R5 and R6 are as defined in relation to formula (I), and R7 is nitrogen protecting group, and removing the group R7, and thereafter if desired, removing any protecting group R6.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: December 11, 2007
    Assignee: AstraZeneca AB
    Inventors: Michael Butters, Paul Schofield, Andrew Stocker
  • Publication number: 20070282103
    Abstract: A method for the preparation of a compound of formula (I) or a pharmaceutically acceptable salt or solvate thereof; from a compound of the formula: (IV); wherein L represents a leaving group.
    Type: Application
    Filed: December 2, 2004
    Publication date: December 6, 2007
    Inventors: Michael Butters, Richard Wisedale, Mathew Welham, Colin Thomson, Andrew Watts
  • Patent number: 7193083
    Abstract: The invention provides a process for the preparation of a compound of the formula: or an acid addition or base salt thereof, wherein R is phenyl optionally substituted by 1 to 3 substituents each independently selected from halo and trifluoromethyl; R1 is C1–C6 alkyl; and “Het” is pyrimidinyl optionally substituted by 1 to 3 substituents each independently selected from C1–C4 alkyl, C1–C4 alkoxy, halo, oxo, benzyl and benzyloxy, comprising reaction of a compound of the formula: wherein R is as previously defined for a compound of the formula (I), with a compound of the formula: wherein R1 and “Het” are as previously defined for a compound of the formula (I) and X is chloro, bromo or iodo, in the presence of zinc, iodine and/or a Lewis acid and an aprotic organic solvent: said process being optionally followed by conversion of the compound of the formula (I) to an acid addition or base salt thereof.
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: March 20, 2007
    Assignee: Pfizer, Inc.
    Inventors: Michael Butters, Alan John Pettman
  • Publication number: 20050272938
    Abstract: Novel Process and Intermediates. A process for preparing a compound of formula (I) where R4 and R5 are as defined in the specification; and R6 is hydrogen or a protecting group, which process comprises cyclisation of a compound of formula (II) where R4 and R5 and R6 are as defined in relation to formula (I), and R7 is nitrogen protecting group, and removing the group R7, and thereafter if desired, removing any protecting group R6. Novel intermediates and the use of these in the formation of pharmaceutical compounds is also described and claimed.
    Type: Application
    Filed: September 29, 2003
    Publication date: December 8, 2005
    Inventors: Michael Butters, Paul Schofield, Andrew Stocker
  • Publication number: 20050272747
    Abstract: The invention provides a process for the preparation of a compound of the formula: or an acid addition or base salt thereof, wherein R is phenyl optionally substituted by 1 to 3 substituents each independently selected from halo and trifluoromethyl; R1 is C1-C6 alkyl; and “Het” is pyrimidinyl optionally substituted by 1 to 3 substituents each independently selected from C1-C4 alkyl, C1-C4 alkoxy, halo, oxo, benzyl and benzyloxy, comprising reaction of a compound of the formula: wherein R is as previously defined for a compound of the formula (I), with a compound of the formula: wherein R1 and “Het” are as previously defined for a compound of the formula (I) and X is chloro, bromo or iodo, in the presence of zinc, iodine and/or a Lewis acid and an aprotic organic solvent: said process being optionally followed by conversion of the compound of the formula (I) to an acid addition or base salt thereof.
    Type: Application
    Filed: May 2, 2005
    Publication date: December 8, 2005
    Inventors: Michael Butters, Alan Pettman
  • Patent number: 6946555
    Abstract: The invention provides a process for the preparation of a compound of the formula: or an acid addition or base salt thereof, wherein R is phenyl optionally substituted by 1 to 3 substituents each independently selected from halo and trifluoromethyl; R1 is C1-C6 alkyl; and “Het” is pyrimidinyl optionally substituted by 1 to 3 substituents each independently selected from C1-C4 alkyl, C1-C4 alkoxy, halo, oxo, benzyl and benzyloxy, comprising reaction of a compound of the formula: ?wherein R is as previously defined for a compound of the formula (I), with a compound of the formula: ?wherein R1 and “Het” are as previously defined for a compound of the formula (I) and X is chloro, bromo or iodo, in the presence of zinc, iodine and/or a Lewis acid and an aprotic organic solvent: said process being optionally followed by conversion of the compound of the formula (I) to an acid addition or base salt thereof.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: September 20, 2005
    Assignee: Pfizer Inc
    Inventors: Michael Butters, Alan John Pettman
  • Patent number: 6645979
    Abstract: The invention described herein relates to a process for the preparation of (7-(3-carboxyphenyl)-4-chloroisoquinolin-1-yl)guanidine (I), intermediates thereto and new forms and formulations thereof, including the zwitterion monohydrate of (I), suitable for pharmaceutical use.
    Type: Grant
    Filed: October 29, 2001
    Date of Patent: November 11, 2003
    Assignee: Pfizer Inc.
    Inventors: Anne Bruckner, Michael Butters, Paul Vincent Fish, Michael Paul Fitzgerald, Julie Ann Macrae, Trevor Jack Newbury, Richard Anthony Storey
  • Publication number: 20030181720
    Abstract: The invention provides a process for the preparation of a compound of the formula: 1
    Type: Application
    Filed: February 19, 2003
    Publication date: September 25, 2003
    Inventors: Michael Butters, Alan John Pettman, Julie Ann Harrison
  • Patent number: 6586594
    Abstract: A process for the preparation of a compound of the formula: or an acid addition or base salt thereof, wherein R is phenyl optionally substituted by 1 to 3 substituents each independently selected from halo and trifluoromethyl; R1 is C1-C6 alkyl; and “Het” is pyrimidinyl optionally substituted by 1 to 3 substituents each independently selected from C1-C4 alkyl, C1-C4 alkoxy, halo, oxo, benzyl and benzyloxy, comprising reacting a compound of the formula: with a compound of the formula wherein X is chloro, bromo or iodo, the reaction taking place in the presence of zinc; at least one of iodine or a Lewis acid; and an aprotic organic solvent: optionally further reacting the resulting compound with an acid or base to form the corresponding acid addition or base salt thereof.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: July 1, 2003
    Assignee: Pfizer, Inc.
    Inventors: Michael Butters, Alan John Pettman, Julie Ann Harrison
  • Publication number: 20020077336
    Abstract: The invention described herein relates to a process for the preparation of (7-(3-carboxyphenyl)-4-chloroisoquinolin-1-yl)guanidine (I), intermediates thereto and new forms and formulations thereof, including the zwitterion monohydrate of (I), suitable for pharmaceutical use.
    Type: Application
    Filed: October 29, 2001
    Publication date: June 20, 2002
    Inventors: Anne Bruckner, Michael Butters, Paul Vincent Fish, Michael Paul Fitzgerald, Julie Ann Macrae, Trevor Jack Newbury, Richard Anthony Storey
  • Patent number: 4754080
    Abstract: This invention relates to novel compositions comprising a N-halodialkylamine as defined in the specification and an inorganic oxide. The compositions are useful as halogenating agents for phenolic compounds. The compositions have the advantage that they are milder halogenating agents than halogens or hydrogen halides.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: June 28, 1988
    Assignee: British Petroleum Company p.l.c.
    Inventors: Michael Butters, Barry Nay, Keith Smith