Patents by Inventor Andrew Peter Thomas

Andrew Peter Thomas 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: 20020032208
    Abstract: The invention relates to quinazoline derivatives of the formula: 1
    Type: Application
    Filed: June 11, 2001
    Publication date: March 14, 2002
    Applicant: ZENECA LIMITED
    Inventors: Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Andrew Peter Thomas
  • Patent number: 6294532
    Abstract: The invention relates to compounds of formula (I) and salts thereof as further defined herein, wherein ring Z is a 6-membered heterocyclic ring containing 1 to 3 nitrogen atoms, and the use of such compounds and salts to inhibit the effects of VEGF and FGF, and in the treatment of a number of disease states including cancer and rheumatoid arthritis.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: September 25, 2001
    Assignee: Zeneca Limited
    Inventors: Andrew Peter Thomas, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Patrick Ple
  • Patent number: 6291455
    Abstract: The invention relates to quinazoline derivatives of formula (I) (wherein: R1 represents hydrogen or methoxy; R2 represents methoxy, ethoxy, 2-methoxyethoxy, 3-methoxypropoxy, 2-ethoxyethoxy, trifluoromethoxy, 2,2,2-trifluoroethoxy, 2-hydroxyethoxy, 3-hydroxypropoxy, 2-(N,N-dimethylamino)ethoxy, 3-(N,N-dimethylamino)propoxy, 2-morpholinoethoxy, 3-morpholinopropoxy, 4-morpholinobutoxy, 2-piperidinoethoxy, 3-piperidinopropoxy, 4-piperidinobutoxy, 2-(piperazin-1-yl)ethoxy, 3-(piperazin-1-yl)propoxy, 4-(piperazin-1-yl)butoxy, 2-(4-methylpiperazin-1-yl)ethoxy, 3-(4methylpiperazin-1-yl)propoxy or 4-(4-methylpiperazin-1-yl)butoxy; the phenyl group bearing (R3)2 is selected from: 2-fluoro-5-hydroxyphenyl, 4-bromo-2-fluorophenyl, 2,4-difluorophenyl, 4-chloro-2-fluorophenyl, 2-fluoro-4-methylphenyl, 2-fluoro-4-methoxyphenyl, 4-bromo-3-hydroxyphenyl, 4-fluoro-3-hydroxyphenyl, 4-chloro-3-hydroxyphenyl, 3-hydroxy-4-methylphenyl, 3-hydroxy-4-methoxyphenyl and 4-cyano-2-fluorophenyl); and salts thereof, processes for their p
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: September 18, 2001
    Assignees: Zeneca Limited, Zeneca Pharma S.A.
    Inventors: Andrew Peter Thomas, Craig Johnstone, Laurent Francois Andre Hennequin
  • Patent number: 6265411
    Abstract: The invention relates to compounds of formula (I), wherein: R2 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino, nitro, C2-4alkanoyl, C1-4alkanoylamino, C1-4alkoxycarbonyl, C1-4alkylthio, C1-4alkylsulphinyl, C1-4alkylsulphonyl, carbamoyl, {overscore (N)}—C1-4alkylcarbamoyl, {overscore (N)},{overscore (N)}-di(C1-4alkyl)carbamoyl, aminosulphonyl, {overscore (N)}—C1-4alkylaminosulphonyl, {overscore (N)},{overscore (N)}-di(C1-4alkyl)aminosulphonyl, C1-4alkylsulphonylamino, or a group R4X1 wherein X1 represents a direct bond, C2-4alkanoyl, —CONR5R6—, —SO2NR7R8— or —SO2R9— (wherein R5 and R7, each independently represents hydrogen or C1-2alkyl and R6, R8 and R9 each independently represents C1-4alkyl and wherein R4 is linked to R6, R8 or R9) and R4 represents an optionally substituted group selected from phenyl and a 5 or 6-membered heterocyclic group; n is an integer from 0 to 4, R1 represents hydr
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: July 24, 2001
    Assignee: Zeneca Limited
    Inventors: Andrew Peter Thomas, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Patrick Ple
  • Patent number: 6258951
    Abstract: The invention relates to quinazoline derivatives of the formula: and salts thereof; processes for their preparation and pharmaceutical compositions containing a compound of formula I or a pharmaceutically acceptable salt thereof as active ingredient. The compounds of formula I and the pharmaceutically acceptable salts thereof inhibit the effects of VEGF, a property of value in the treatment of a number of disease states including cancer and rheumatoid arthritis.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: July 10, 2001
    Assignees: Zeneca Limited, Zeneca Pharma S.A.
    Inventors: Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Andrew Peter Thomas
  • Patent number: 6184225
    Abstract: The invention relates to quinazoline derivatives of formula (I) wherein: Z represents —O—, —NH— or —S—; m is an integer from 1 to 5; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluorometlyl, cyano, C1-3alkyl, C1-3alkoxy, C1-3alkylthio or NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen or C1-3alkyl); R2 represents hydrogen, hydroxy, halogeno, methoxy, amino, or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; X1 represents —O—, —CH2—, —S—, —SO—, SO2—, —NR6—, NR8CO—, —CONR9—SO2NR10— or —NR11SO2—, (wherein R7, R8, R9, R10 and R11 each represents C1-3alkyl, C1-3alkoxyC2-3alkyl); R4 represents a group which is alkenyl, alkynyl or optionally substituted alkyl, which alkyl group may contain a heteroatom linking group, which alkenyl, alkynyl or al
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: February 6, 2001
    Assignee: Zeneca Limited
    Inventors: Andrew Peter Thomas, Craig Johnstone, Laurent Francois Andre Hennequin
  • Patent number: 6071921
    Abstract: The invention relates to quinazoline derivatives of the formula: ##STR1## [wherein: Y.sup.1 represents --O--, --S--, --CH.sub.2 --, --SO--, --SO.sub.2 --, --NR.sup.5 CO--, --CONR.sup.6 --, --SO.sub.2 NR.sup.7 --, --NR.sup.8 SO.sub.2 -- or --NR.sup.9 -- (wherein R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each independently represents hydrogen, alkyl or alkoxyalkyl);R.sup.1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, alkyl, alkoxy, alkylthio, amino or alkylamino.R.sup.2 represents hydrogen, hydroxy, halogeno, alkyl, alkoxy, trifluoromethyl, cyano, amino or nitro;m is an integer from 1 to 5;R.sup.3 represents hydroxy, halogeno, alky, alkoxy, alkanoyloxy, trifluoromethyl, cyano, amino or nitro;R.sup.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: June 6, 2000
    Assignees: Zeneca Limited, Zeneca Pharma S.A.
    Inventors: Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Andrew Peter Thomas
  • Patent number: 5962458
    Abstract: The invention relates to quinazoline derivatives of the formula: ##STR1## ?wherein: Y.sup.1 represents --O--, --S--, --CH.sub.2 --, --SO--, --SO.sub.2 --, --NR.sup.5 CO--, --CONR.sup.6 -, --SO.sub.2 NR.sup.7 -, --NR.sup.8 SO.sub.2 -- or --NR.sup.9 - (wherein R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each independently represents hydrogen, alkyl or alkoxyalkyl);R.sup.1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, alkyl, alkoxy, alkylthio, amino or alkylamino.R.sup.2 represents hydrogen, hydroxy, halogeno, alkyl, alkoxy, trifluoromethyl, cyano, amino or nitro;m is an integer from 1 to 5;R.sup.3 represents hydroxy, halogeno, alkyl, alkoxy, alkanoyloxy, trifluoromethyl, cyano, amino or nitro;R.sup.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: October 5, 1999
    Assignees: Zeneca Limited, Zeneca Pharma S.A.,
    Inventors: Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Andrew Peter Thomas
  • Patent number: 5880130
    Abstract: The invention concerns pyrimidine derivatives of formula wherein m is 1, 2 or 3; each R.sup.1 is independently hydrogen, hydroxy, (un)substituted amino, nitro, halogeno, cyano, carboxy, (un)substituted carbamoyl, ureido, (1-4C) alkoxycarbonyl, (un)substituted (1-4C)alkyl, (un)substituted (1-4C)alkoxy, (1-3C)alkylenedioxy, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkyl-sulphonyl, (2-4C)alkanoyloxy; n is 1, 2 or 3; and each R.sup.2 is independently hydrogen, hydroxy, halogeno, trifluoromethyl, trifluoromethoxy, amino, nitro, cyano, (1-4C)alkyl, (1-4C)alkoxy, (1-4C)alkylamino, di-?(1-4C)alkyl!amino, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkylsulphonyl, (2-4C)alkanoylamino, (2-4C)alkanoyl or (1-3C)alkylenedioxy; or a pharmaceutically-acceptable salt thereof; processes for their preparation; pharmaceutical compositions containing them; and the use of the receptor tyrosine kinase inhibitory properties of the compounds in the treatment of cell-proliferation diseases.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: March 9, 1999
    Assignee: Zeneca Limited
    Inventor: Andrew Peter Thomas
  • Patent number: 5821246
    Abstract: The invention concerns aniline derivatives of formula I ##STR1## wherein m is 1, 2 or 3, n is 0, 1, 2 or 3, Q is phenyl or naphthyl or a 5- or 6-membered heteroaryl moiety containing 1, 2 or 3 heteroatoms selected from oxygen, nitrogen and sulfur, and X, R.sup.1 and R.sup.2 are defined in the claims; or pharmaceutical compositions containing them, and the methods of using the compounds as tyrosine kinase inhibitors and for the treatment of proliferative diseases such as cancer.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: October 13, 1998
    Assignee: Zeneca Limited
    Inventors: Dearg Sutherland Brown, Jeffrey James Morris, Andrew Peter Thomas