Patents by Inventor Karl Witold Franzmann

Karl Witold Franzmann 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).

  • Patent number: 6620848
    Abstract: The present invention relates to novel amidino compound of formula (I): to a process for their manufacture, to pharmaceutical compositions containing them, and to their use in therapy, in particular their use as selective inhibitors of inducible nitric oxide synthase.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: September 16, 2003
    Assignee: SmithKline Beecham Corporation
    Inventors: Richard Mansfield Beams, Martin James Drysdale, Karl Witold Franzmann, Anthony Joseph Frend, Harold Francis Hodson, Richard Graham Knowles, Daryl David Rees, David Alan Sawyer
  • Patent number: 6369272
    Abstract: The present invention relates to novel amidino compound of formula (I). to a process for their manufacture, to pharmaceutical compositions containing them, and to their use in therapy, in particular their use as selective inhibitors of inducible nitric oxide synthase.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: April 9, 2002
    Assignee: GlaxoSmithKline
    Inventors: Richard Mansfield Beams, Martin James Drysdale, Karl Witold Franzmann, Anthony Joseph Frend, Harold Francis Hodson, Richard Graham Knowles, Daryl David Rees, David Alan Sawyer
  • Publication number: 20020010366
    Abstract: The present invention relates to novel amidino compound of formula (I).
    Type: Application
    Filed: August 15, 2001
    Publication date: January 24, 2002
    Inventors: Richard Mansfield Beams, Martin James Drysdale, Karl Witold Franzmann, Anthony Joseph Frend, Harold Francis Hodson, Richard Graham Knowles, Daryl David Rees, David Alan Sawyer
  • Patent number: 6169091
    Abstract: Substituted heteroaromatic compounds of formula (A) wherein X is N or CH; in which (a) represents a fused 5, 6 or 7-membered heterocyclic ring and R3 is a group ZR4 wherein Z is joined to R4 through a (CH2)p group in which p is 0, 1, or 2 and Z represents a group V(CH2), V(CF2), (CH2)V, (CF2)V, V(CRR′), V(CHR) or V where R and R′ are each C1-4 alkyl and in which V is a hydrocarbyl group containing 0, 1 or 2 carbon atoms, carbonyl, dicarbonyl, CH(OH), CH(CN), sulphonamide, amide, O, S(O)m or NRb where Rb is hydrogen or Rb is C1-4 alkyl; and R4 is an optionally substituted C3-6 cycloalkyl or an optionally substituted 5, 6, 7, 8, 9 or 10-membered carbocyclic or heterocyclic moiety; or R3 is a group ZR4 in which Z is NRb, and NRb and R4 together form an optionally substituted 5, 6, 7, 8, 9 or 10-membered carbocyclic or heterocyclic moiety, are protein tyrosine kinase inhibitors.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: January 2, 2001
    Assignee: Glaxo Wellcome Inc.
    Inventors: George Stuart Cockerill, Stephen Barry Guntrip, Stephen Carl McKeown, Martin John Page, Kathryn Jane Smith, Sadie Vile, Alan Thomas Hudson, Paul Barraclough, Karl Witold Franzmann
  • Patent number: 6043284
    Abstract: The present invention is concerned with diaryl compounds of formula (I) and their use in medical therapy, particularly in the prophylaxis or treatment of a clinical condition for which an ACAT inhibitor is indicated, such as hyperlipidaema or atherosclerosis. The invention also relates to pharmaceutical compositions and processes for the preparation of compounds according to the invention.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: March 28, 2000
    Assignee: Glaxo Wellcome Inc.
    Inventors: Richard James Arrowsmith, John Gordon Dann, Karl Witold Franzmann, Simon Teanby Hodgson, Peter John Wates
  • Patent number: 5889056
    Abstract: A compound of formula (I) ##STR1## wherein R.sup.1 is a C.sub.1-6 straight or branched chain alkyl group, a C.sub.2-6 alkenyl group, a C.sub.2-6 alkynyl group, a C.sub.3-6 cycloalkyl group or a C.sub.3-6 cycloalkylC.sub.1-6 alkyl group, each optionally substituted by one to three groups independently selected from: --CN; --NO.sub.2 ; a group --COR.sup.2 wherein R.sup.2 is hydrogen, C.sub.1-6 alkyl, --OR.sup.3 wherein R.sup.3 is hydrogen or C.sub.1-6 alkyl or NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 are independently selected from hydrogen or C.sub.1-6 alkyl; a group --S(O).sub.m R.sup.6 wherein m is 0, 1 or 2, R.sup.6 is hydrogen, C.sub.1-6 alkyl, hydroxy or NR.sup.7 R.sup.8 wherein R.sup.7 and R.sup.8 are independently hydrogen or C.sub.1-6 alkyl; a group PO(OR.sup.9).sub.2 wherein R.sup.9 is hydrogen or C.sub.1-6 alkyl; a group NR.sup.10 R.sup.11 wherein R.sup.10 and R.sup.11 are independently selected from hydrogen, C.sub.1-6 alkyl, --COR.sup.12 wherein R.sup.12 is hydrogen or C.sub.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: March 30, 1999
    Assignee: Glaxo Wellsome Inc.
    Inventors: Harold Francis Hodson, Richard Michael John Palmer, David Alan Sawyer, Richard Graham Knowles, Karl Witold Franzmann, Martin James Drysdale, Patricia Ifeyinwa Davies, Helen Alice Rebecca Clark, Barry George Shearer, Steven Smith
  • Patent number: 5874472
    Abstract: Compounds of formula (I) and salts, esters and amides thereof, wherein R.sup.1 is a C.sub.1-6 straight or branched chain alkyl group, a C.sub.3-6 cycloalkyl group, a thiol group optionally substituted by a C.sub.1-6 alkyl group, or an amino group optionally substituted by one or two alkyl or alkenyl groups; R.sup.2 is H, C.sub.1-7 straight or branched chain alkyl, C.sub.3-6 cycloalkyl, C.sub.2-7 alkenyl or benzyl; A is a 5 or 6 membered aromatic carbocyclic or heterocyclic ring which may optionally be substituted by one or more suitable substituents such as C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxy, halo, nitro, cyano, trifluoro C.sub.1-6 alkyl, amino, C.sub.1-6 alkylamino or di C.sub.1-6 alkylamino; r is 0, 1 or 2; their use in medicine and in particular for conditions requiring inhibition of the NO Synthase enzyme, pharmaceutical formulations and processes for the preparation thereof are disclosed.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: February 23, 1999
    Assignee: Glaxo Wellcome Inc.
    Inventors: Barry George Shearer, Karl Witold Franzmann, Harold Francis Hodson
  • Patent number: 5776951
    Abstract: The present invention is concerned with diaryl compounds of formula (l) and their use in medical therapy, particularly in the prophylaxis or treatment of a clinical condition for which an ACAT inhibitor is indicated, such as hyperlipidaema or atherosclerosis. The invention also relates to pharmaceutical compositions and processes for the preparation of compounds according to the invention.
    Type: Grant
    Filed: April 11, 1996
    Date of Patent: July 7, 1998
    Assignee: Glaxo Wellcome Inc.
    Inventors: Richard James Arrowsmith, John Gordon Dann, Karl Witold Franzmann, Simon Teanby Hodgson, Peter John Wates
  • Patent number: 5679694
    Abstract: The invention relates to compounds of formula (I) which have been found to possess anti-tumor activity. Pharmaceutical compositions and methods of treating tumors are also disclosed.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: October 21, 1997
    Assignees: The Wellcome Foundation Ltd., University College Cardiff Consultants Limited
    Inventors: Karl Witold Franzmann, Jeremy Nigel Stables, Patrick Vivian Richard Shannon, Nagaraja Kodanda Ranganatha Rao, Laddawan Chunchatprasert
  • Patent number: 5658944
    Abstract: The present invention is concerned with compounds of formula (I) ##STR1## wherein Ar is a mono- or bicyclic aromatic group optionally containing one or two heteroatoms independently selected from nitrogen, oxygen and sulphur, said group being optionally substituted by one or more atoms or groups independently selected from halogen, nitro, amino, --NRR.sup.1 where R and R.sup.1 are independently selected from hydrogen, C.sub.1-8 alkyl and C.sub.1-8 alkanoyl, cyano, carboxyalkoxy, alkoxycarbonylalkoxy, C.sub.1-8 alkyl (including cycloalkyl and cycloalkylalkyl), C.sub.1-8 alkoxy (including cycloalkoxy and cycloalkylalkoxy), C.sub.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: August 19, 1997
    Assignee: The University of South Carolina
    Inventors: James Mood Chapman, Jr., Roy Lee Hawke, Karl Witold Franzmann, Kevin Julian O'Connor
  • Patent number: RE39576
    Abstract: A compound of formula (I) wherein R1 is a C1-6 straight or branched chain alkyl group, a C2-6alkenyl group, a C2-6 alkynyl group, a C3-6cycloalkyl group or a C3-6cycloalkylC1-6alkyl group, each optionally substituted by one to three groups independently selected from: —CN; —NO2; a group —COR2 wherein R2 is hydrogen, C1-6 alkyl, —OR3 wherein R3 is hydrogen or C1-6alkyl or NR4R5 wherein R4 and R5 are independently selected from hydrogen or C1-6 alkyl; a group —S(O)mR6 wherein m is 0, 1 or 2, R6 is hydrogen, C1-6 alkyl, hydroxy or NR7R8 wherein R7 and R8 are independently hydrogen or C1-6 alkyl; a group PO(OR9)2 wherein R9 is hydrogen or C1-6 alkyl; a group NR10R11 wherein R10 and R11 are independently selected from hydrogen, C1-6 alkyl, —COR12 wherein R12 is hydrogen or C1-6 alkyl, or —S(O)m?R13 wherein m? is 0, 1 or 2 and R13 is hydrogen or C1-6 alkyl; halo; or a group —OR14 wherein R14 is hydrogen, C1-6 alkyl optionally substituted by one to three halo atoms, C6-10 aryl or —COR15 wherein R15 is hydroge
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: April 17, 2007
    Assignee: Smithkline Beecham Corporation
    Inventors: Harold Francis Hodson, Richard Michael John Palmer, David Alan Sawyer, Richard Graham Knowles, Karl Witold Franzmann, Martin James Drysdale, Patricia Ifeyinwa Davies, Helen Alice Rebecca Clark, Barry George Shearer, Steven Smith