Patents by Inventor Nigel Vicker

Nigel Vicker 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).

  • Use
    Publication number: 20040147494
    Abstract: The present invention provides use of a compound in the manufacture of a medicament to inhibit 11&bgr;-HSD activity, wherein the compound is selected from glycyrrhetinic acid derivatives, progesterone and progesterone derivatives.
    Type: Application
    Filed: March 17, 2004
    Publication date: July 29, 2004
    Inventors: Barry Victor Lloyd Potter, Atul Purohit, Michael John Reed, Nigel Vicker
  • Publication number: 20040143124
    Abstract: A compound having Formula I 1
    Type: Application
    Filed: October 23, 2003
    Publication date: July 22, 2004
    Inventors: Nigel Vicker, Su Xiangdong, Dharshini Ganeshapillai, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
  • Publication number: 20030139409
    Abstract: A compound which is a benzo[a]phenazine-11-carboxamide derivative of formula (I) wherein each of R1 to R4, which are the same or different, is selected from hydrogen, halogen, hydroxyl, C1-C6 alkoxy which is unsubstituted or substituted, heteroaryloxy, C1-C6 alkyl which is unsubstituted or substituted, nitro, cyano, azido, amidoxime, CO2R10, CON(R12)2, OCON(R12), SR10, SOR11, SO2(R11), SO2N(R12)2, N(R12)2, NR10SO2R11, N(SO2R11)2NR10(CH2)nCN, NR10COR11, OCOR11 or COR10; each of R5 to R7, which are the same or different, is selected from hydrogen, halogen, hydroxy, C1-C6 alkoxy, C1-C6 alkyl, SR10 and N(R12)2; Q is C1-C6 alkylene which is unsubstituted or substituted by (i) C1-C6 alkyl which is unsubstituted or substituted, (ii) hydroxy, provided that the hydroxy group is not, to either of the N atoms adjacent to Q in formula (I), (iii) CO2R10, or (iv) CON(R12); R1 and R9, which are the same or different, are each hydrogen or C1-C6 alkyl, or R8 and R9 together with the nitrogen atom to which they are a
    Type: Application
    Filed: September 18, 2002
    Publication date: July 24, 2003
    Inventors: John Milton, Nigel Vicker, Adrian Folkes, Shouming Wang, William Alexander Denny
  • Patent number: 6552021
    Abstract: A compound which is a heteroaromatic[a]phenazine carboxamide derivative of formula (I) wherein X is a five- or six-membered heteroaromatic ring which contains one or two nitrogen atoms and which is unsubstituted or substituted by C1-C6 alkyl, hydroxyl or C1-C6 alkoxy; Q is C1-C6 alkylene which is unsubstituted or substituted by C1-C6 alkyl which is unsubstituted or substituted by a hydroxy group; and R1 and R2 which are the same or different are each C1-C6 alkyl; or a pharmaceutically acceptable salt thereof. These compounds are inhibitors of topoisomerase I and II and can be used to treat tumours, including tumours which express MDR.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: April 22, 2003
    Assignee: Xenova Limited
    Inventors: John Milton, Nigel Vicker, William Alexander Denny, Swarnalatha Akuratiya Gamage, Julie Ann Spicer
  • Publication number: 20010034346
    Abstract: A compound which is a heteroaromatic[a]phenazine carboxamide derivative of formula (I) 1
    Type: Application
    Filed: March 5, 2001
    Publication date: October 25, 2001
    Inventors: John Milton, Nigel Vicker, William Alexander Denny, Swarnalatha Akuratiya Gamage, Julie Ann Spicer
  • Patent number: 6255326
    Abstract: This invention is directed to the pharmaceutical use of phenyl compounds, which are linked to an aryl moiety by various linkages, for inhibiting tumor necrosis factor. The invention is also directed to the compounds, their preparation and pharmaceutical compositions containing these compounds. Furthermore, this invention is directed to the pharmaceutical use of the compounds for inhibiting cyclic AMP phosphodiesterase.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: July 3, 2001
    Assignee: Aventis Pharma Limited
    Inventors: Michael John Ashton, David Charles Cook, Garry Fenton, Susan Jacqueline Hills, Ian Michael McFarlane, Andrew David Morley, Malcolm Norman Palfreyman, Andrew James Ratcliffe, Brian William Sharp, Sukanthini Thurairatnam, Bernard Yvon Jack Vacher, Nigel Vicker
  • Patent number: 6096768
    Abstract: This invention is directed to the pharmaceutical use of phenyl compounds, which are linked to an aryl moiety by various linkages, for inhibiting tumor necrosis factor. The invention is also directed to the compounds, their preparation and pharmaceutical compositions containing these compounds. Furthermore, this invention is directed to the pharmaceutical use of the compounds for inhibiting cyclic AMP phosphodiesterase.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: August 1, 2000
    Assignee: Rhone-Poulenc Rorer Limited
    Inventors: Michael John Ashton, David Charles Cook, Garry Fenton, Susan Jacqueline Hills, Ian Michael McFarlane, Andrew David Morley, Malcolm Norman Palfreyman, Andrew James Ratcliffe, Brian William Sharp, Sukanthini Thurairatnam, Bernard Yvon Jack Vacher, Nigel Vicker
  • Patent number: 5935978
    Abstract: This invention is directed to the pharmaceutical use of phenyl compounds, which are linked to an aryl moiety by various linkages, for inhibiting tumor necrosis factor. The invention is also directed to the compounds, their preparation and pharmaceutical compositions containing these compounds. Furthermore, this invention is directed to the pharmaceutical use of the compounds for inhibiting cyclic AMP phosphodiesterase.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: August 10, 1999
    Assignee: Rhone-Poulenc Rorer Limited
    Inventors: Garry Fenton, Andrew David Morley, Malcolm Norman Palfreyman, Andrew James Ratcliffe, Brian William Sharp, Sukanthini Thurairatnam, Bernard Yvon Jack Vacher, Michael John Ashton, David Charles Cook, Susan Jacqueline Hills, Ian Michael McFarlane, Nigel Vicker
  • Patent number: 5364853
    Abstract: Thioformamide compounds of formula (I) are disclosed in which R is alkyl, Y is methylene, ethylene or a direct bond, A is optionally substituted phenyl or pyridyl, R.sup.1 is hydrogen and R.sup.2 is N-alkylsulphonyl-, N-phenylsulphonyl-N'-alkylamidino or an arylsulphonyl group; R.sup.1 and R.sup.2 may both independently represent alkyl- or arylsulphonyl groups.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: November 15, 1994
    Assignee: Rhone-Poulenc Rorer Limited
    Inventors: Malcolm N. Palfreyman, Nigel Vicker
  • Patent number: 5104883
    Abstract: Thioformamide derivatives of the formula: ##STR1## wherein: R represents alkyl; A represents an optionally substituted phenyl or heteroaromatic group; R.sup.1 represents hydrogen, alkyl, cyano, carboxyl, formyl, carbamoyl, alkoxycarbonyl or a group --(CH.sub.2).sub.n OR.sup.2, --(CH.sup.2).sub.n SR.sup.2, --(CH.sub.2).sub.n N(R.sup.2).sub.2, --CH.dbd.CHR.sup.3, --CH.dbd.NOR.sup.4, --CONHR.sup.5, or --COR.sup.6 ; R.sup.2 represents hydrogen, alkyl, alkanoyl, aryl, aryl (CH.sub.2).sub.n -- or arylCO--, or, when attached to nitrogen, two R.sup.2 groups may together represent alkylene; R.sup.3 represents hydrogen; alkyl, alkanoyl, carboxyl, carbamoyl, cyano, aryl, arylCO--, aryl(CH.sub.2).sub.n --, or aryl (CH.sub.2).sub.n CO--; R.sup.4 represents hydrogen, alkyl, aryl, aryl (CH.sub.2).sub.n -, optionally substituted alkyl, alkenyl, amino or carbamoyl N,N-disubstituted by alkylene; R.sup.5 represents alkyl, aryl, or aryl (CH.sub.2).sub.n -- or an amino acid residue; R.sup.6 represents alkyl, aryl, or aryl (CH.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: April 14, 1992
    Assignee: May & Baker Limited
    Inventors: Malcolm N. Palfreyman, Nigel Vicker, Roger J. A. Walsh