Patents by Inventor Christopher Hamlett

Christopher Hamlett 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: 20100210617
    Abstract: The invention provides a compound of the formula (II): or a salt, solvate, tautomer or N-oxide thereof; wherein n is 0 or 1; one of Y1 and Y2 is CH and the other is selected from CH, CR8 and N; q is 0, 1 or 2 provided that q is 0 or 1 when Y1 or Y2 is CR8; R1 aryl or heteroaryl group of 5 to 10 ring members; R2a and R3a each are hydrogen, C1-4 hydrocarbyl or C1-4 acyl wherein the hydrocarbyl and acyl moieties are optionally substituted by fluorine, hydroxy, amino, methylamino, dimethylamino or methoxy; or NR2aR3a forms an imidazole group or a saturated monocyclic 4-7 membered heterocyclic group optionally containing a second heteroatom ring member selected from O and N; R18 is hydrogen or methyl; R19 is hydrogen or methyl; R24 is hydrogen or R24, R2a and the intervening nitrogen atom and carbon atoms together form an azetidine, pyrrolidine or piperidine ring; R25 is hydrogen or a C1-4 alkyl group wherein the C1-4 alkyl group is optionally substituted by hydroxy or amino provided that there are at least two ca
    Type: Application
    Filed: June 21, 2006
    Publication date: August 19, 2010
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Steven John Woodhead, Robert Downham, Christopher Hamlett, Steven Howard, Hannah Fiona Sore, Marinus Leendert Verdonk, David Winter Walker, Richard William Arthur Luke
  • Publication number: 20100120798
    Abstract: The invention provides compounds of the formula (I) having PKA and PKB kinase inhibiting compounds of the formula (I): GP 1 J T 2 J N 4 R N H (I) or salts, solvates, tautomers or N-oxides thereof, wherein (1) GP is a group GP1: HET 2a a Q G (HNCO)f 7 (R)x N * (GP1) (2) GP is a group GP2: 10 (R)r O 2a a QG (CH2)w N V H N * (GP2) wherein HET is a monocyclic or bicyclic heterocyclic group containing up to 4 heteroatom ring members; the ring V is a monocyclic or bicyclic heteroaryl group of 5 to 10 ring members; and J1, J2, R4, R7, R10, Q2a, Ga, x, w and f are as defined in the claims
    Type: Application
    Filed: December 20, 2007
    Publication date: May 13, 2010
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED, ASTRAZENECA AB, THE INSTITUTE OF CANCER RESEARCH
    Inventors: Steven John Woodhead, Christopher Hamlett, Marinus Leendert Verdonk, Hannah Fiona Sore, David Winter Walker, Ian Collins, Kwai Ming Cheung, John Caldwell, Tatiana Faria Da Fonseca McHardy, Richard William Arthur Luke, Zbigniew Stanley Matusiak, Gregory Richard Carr, Jeffrey James Morris
  • Publication number: 20100093748
    Abstract: The invention provides PKA and PKB kinase-inhibiting compounds of the formula (I): or salts, solvates, tautomers or N-oxides thereof, wherein E is a five membered heteroaryl ring containing 1, 2, 3 or 4 heteroatoms selected from O, N and S provided that no more than 1 heteroatom may be other than N; q and r are each is 0 or 1; provided that q+r is 1 or 2; T is N or a group CR5; J1-J2 is N?C(R6), (R7)C?N, (R8)N—C(O), (R8)2C—C(O), N?N or (R7)C?C(R6); Q3 is a bond or a saturated C1-3 hydrocarbon linker group optionally substituted by fluorine and hydroxy; G is NR2R3, CN or OH; m and n are each 0 or 1, provided that m+n is 1 or 2, and provided also that m or n are each 0 when the adjacent ring member of ring E is S or O; R1a and R1b are the same or different and each is hydrogen or a substituent R10; or R1a and R1b together with the carbon atoms or heteroatoms to which they are attached form a 5 or 6-membered aryl or heteroaryl ring, wherein the aryl or heteroaryl rings are optionally substituted by one or mo
    Type: Application
    Filed: December 21, 2007
    Publication date: April 15, 2010
    Applicants: ASTEX THERAPEUTICS LIMITED, THE INSTITUTE OF CANCER RESEARCH: ROYAL CANCER HOS, Cancer Research Technology Limited
    Inventors: Steven John Woodhead, Martyn Frederickson, Christopher Hamlett, Andrew James Woodhead, Marinus Leendert Verdonk, Hannah Fiona Sore, David Winter Walker, Peter Blurton, Ian Collins, Kwai Ming Cheung, John Caldwell, Tatiana Faria Da Fonseca McHardy, Richard William Arthur Luke, Zbigniew Stanley Matusiak, Andrew Leach, Jeffrey James Morris
  • Publication number: 20100016340
    Abstract: The invention provides compounds of the formula (I): or salts, solvates, tautomers or N-oxides thereof, wherein J1-J2 is CH?CH, N?CH, CH?N, HN—C(O) or CH2CO; T is N or CH and GP is as defined in the claims. The compounds have activity as inhibitors of PKA and PKB kinases and are useful in the treatment of cancers.
    Type: Application
    Filed: April 25, 2007
    Publication date: January 21, 2010
    Applicants: Astex Therapeutics Limited, The Institute of Cancer Research: Royal Cancer Hospital, Cancer Research Technology Limited, Astrazeneca AB
    Inventors: Steven John Woodhead, Christopher Hamlett, Hannah Fiona Sore, David Winter Walker, Marinus Leendert Verdonk, Ian Collins, John Caldwell, Kwai-Ming Cheung, Tatiana Faria Da Fonseca McHardy