Patents by Inventor Rikki Peter Alexander

Rikki Peter Alexander 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: 8168634
    Abstract: A series of thiazole derivatives which are substituted in the 2-position by a substituted morpholin-4-yl moiety, being selective inhibitors of P13 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: May 1, 2012
    Assignee: UCB Pharma S.A.
    Inventors: Rikki Peter Alexander, Julien Alistair Brown, Karen Viviane Lucile Crépy, Stephen Robert Mack
  • Patent number: 7888344
    Abstract: A series of 5,6-dihydro-1,3-benzothiazol-7(4H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PD kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: February 15, 2011
    Assignee: UCB Pharma S.A.
    Inventors: Rikki Peter Alexander, Pavandeep Aujla, Mark James Batchelor, Daniel Christopher Brookings, George Martin Buckley, Karen Viviane Lucile Crepy, Claire Louise Kulisa, James Petrie Turner
  • Publication number: 20110003785
    Abstract: A series of 6,7-dihydro[1,3]thiazolo[5,4-c]pyridin-4(5H)-one derivatives, which are substituted in the 2-position by a substituted morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.
    Type: Application
    Filed: June 24, 2008
    Publication date: January 6, 2011
    Applicant: UCB PHARMA, S.A.
    Inventors: Rikki Peter Alexander, Pavandeep Singh Aujla, Karen Viviane Lucile Crepy, Anne Marie Foley, Richard Jeremy Franklin
  • Publication number: 20100305066
    Abstract: A series of 5,6-dihydro-1-benzothiophen-7(4H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.
    Type: Application
    Filed: June 4, 2007
    Publication date: December 2, 2010
    Applicant: UCB PHARMA S.A.
    Inventors: Rikki Peter Alexander, Stuart Bailey, Stephen Brand, Daniel Christopher Brookings, Julien Alistair Brown, Alan Findlay Haughan, Natasha Kinsella, Christopher Lowe, Stephen Robert Mack, William Ross Pitt, Marianna Dilani Richard, Andrew Sharpe, Laura Jane Tait
  • Publication number: 20100298310
    Abstract: A series of thiazole derivatives which are substituted in the 2-position by a substituted morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.
    Type: Application
    Filed: October 16, 2007
    Publication date: November 25, 2010
    Applicant: UCB PHARMA S.A.
    Inventors: Rikki Peter Alexander, Julien Alistair Brown, Karen Viviane Lucile Crepy, Stephen Robert Mack
  • Patent number: 7795256
    Abstract: A series of thieno[2,3-b]pyridin-6(7H)-one derivatives, substituted in the 3-position by an arylcarbonyl or heteroaryl-carbonyl moiety, being inhibitors of p38 MAP kinase, are accordingly of use in medicine, for example in the treatment and/or prevention of immune or inflammatory disorders.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: September 14, 2010
    Assignee: UCB Pharma S.A.
    Inventors: Rikki Peter Alexander, Jeremy Martin Davis, Martin Clive Hutchings, Victoria Elizabeth Laing, Graham Peter Trevitt
  • Publication number: 20100137302
    Abstract: A series of 6,7-dihydro[1,3]thiazolo[5,4-c]pyridin-4(5H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.
    Type: Application
    Filed: June 26, 2007
    Publication date: June 3, 2010
    Applicant: UCB PHARMA S.A.
    Inventors: Rikki Peter Alexander, Pavandeep Singh Aujla, Karen Viviane Lucile Crepy, Anne Marie Foley, Richard Jeremy Franklin, Alan Findlay Haughan, Helen Tracey Horsley, William Mark Jones, Benedicte Irma Leonce Frederique Lallemand, Stephen Robert Mack, Trevor Morgan, Patrick Marie Ghislain Pasau, David Jonathan Phillips, Verity Margaret Sabin, George Martin Buckley, Kerry Jenkins, Benjamin Garfield Perry
  • Publication number: 20080306060
    Abstract: A series of 5,6-dihydro-1,3-benzothiazol-7(4H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PD kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.
    Type: Application
    Filed: April 25, 2006
    Publication date: December 11, 2008
    Applicant: UCB PHARMA S.A.
    Inventors: Rikki Peter Alexander, Pavandeep Aujla, Mark James Batchelor, Daniel Christopher Brookings, George Martin Buckley, Karen Viviane Lucile Crepy, Claire Louise Kulisa, James Petrie Turner
  • Patent number: 6780874
    Abstract: Enamine derivatives of formula (1) are described: wherein R1 is a group Ar1L2Ar2Alk- in, which Ar1 is an aromatic or heteroaromatic group, L2 is a covalent bond or a linker atom or group, Ar2 is an arylene or heteroarylene group and Alk is a chain —CH2—CH(R)—, —CH═C(R)— or in which R is a carboxylic acid or a derivative or biostere thereof; R2 is a hydrogen atom or a C1-6alkyl group; Cy is a cycloaliphatic or heterocycloaliphatic ring in which X is a N atom or a C(Rw) group; Rx is a oxo, thioxo, or imino group; Rw and Rz is each a hydrogen atom or optional substituent; provided that Cy is not a cyclobutenedione group; and the salts, solvates, hydrates and N-oxides thereof. The compounds are able to inhibit the binding of integrins to their ligands and are of use in the prophylaxis and treatment of immune or inflammatory disorders, or disorders involving the inappropriate growth or migration of cells.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: August 24, 2004
    Assignee: Celltech R & D Limited
    Inventors: Timothy John Norman, John Robert Porter, Brian Woodside Hutchinson, Andrew James Ratcliffe, John Clifford Head, Rikki Peter Alexander, Barry John Langham, Graham John Warrellow, Sarah Catherine Archibald, Janeen Marsha Linsley
  • Patent number: 6740654
    Abstract: Squaric acid derivatives of formula (1) are described: wherein Het is an optionally substituted bicyclic fused ring heteroaromatic group; L2 is a covalent bond or an atom or group —O—, —S—, —C(O)—, —C(S)—, —S(O)—, —S(O)2, —N(R8)— or —C(R8)(R8a)—; Ar2 is an optionally substituted aromatic or heteroaromatic group; Alk is a chain  in which R is a carboxylic acid (—CO2H) or a derivative or biostere thereof; R1 is a hydrogen atom or a C1-6alkyl group; L1 is a covalent bond or a linker atom or group; Alk1 is an optionally substituted aliphatic chain; n is zero or the integer 1; R2 is a hydrogen atom or an optionally substituted heteroaliphatic, cycloaliphatic, heterocycloaliphatic, polycycloalphatic, heteropolycycloaliphatic, aromatic or heteroaromatic group other than a 2,6-naphthyridin-1-yl, isoquinolin-1-yl, 2,7-naphthyridin-1-yl or quinazolin-4-yl group; and the salt
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: May 25, 2004
    Assignee: Celltech R & D Limited
    Inventors: Barry John Langham, Rikki Peter Alexander, John Clifford Head, Janeen Marsha Linsley, John Robert Porter, Sarah Catherine Archibald, Graham John Warrellow
  • Publication number: 20030229116
    Abstract: Enamine derivatives of formula (1) are described: 1
    Type: Application
    Filed: June 10, 2003
    Publication date: December 11, 2003
    Inventors: Timothy John Norman, John Robert Porter, Brian Woodside Hutchinson, Andrew James Ratcliffe, John Clifford Head, Rikki Peter Alexander, Barry John Langham, Graham John Warrellow, Sarah Catherine Archibald, Janeen Marsha Linsley
  • Publication number: 20030162799
    Abstract: Squaric acid Derivatives of formula (1) are described: 1
    Type: Application
    Filed: December 13, 2002
    Publication date: August 28, 2003
    Inventors: Barry John Langham, Rikki Peter Alexander, John Clifford Head, Janeen Marsha Linsley, John Robert Porter, Sarah Catherine Archibald, Graham John Warrellow
  • Patent number: 6610700
    Abstract: Enamine derivatives of formula (1) are described: wherein R1 is a group Ar1 L2Ar2Alk- in which Ar1 is an aromatic or heteroaromatic group, L2 is a covalent bond or a linker atom or group, Ar2 is an arylene or heteroarylene group and Alk is a chain —CH2—CH(R)—, —CH═C(R)— or in which R is a carboxylic acid or a derivative or biostere thereof; R2 is a hydrogen atom or a C1-6alkyl group; Cy is a cycloaliphatic or heterocycloaliphatic ring in which X is a N atom or a C(Rw) group; Rx is a oxo, thioxo, or imino group; Rw and Rz is each a hydrogen atom or optional substituent; provided that Cy is not a cyclobutenedione group; and the salts, solvates, hydrates and N-oxides thereof. The compounds are able to inhibit the binding of integrins to their ligands and are of use in the prophylaxis and treatment of immune or inflammatory disorders, or disorders involving the inappropriate growth or migration of cells.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: August 26, 2003
    Assignee: Celltech R & D Limited
    Inventors: Timothy John Norman, John Robert Porter, Brian Woodside Hutchinson, Andrew James Ratcliffe, John Clifford Head, Rikki Peter Alexander, Barry John Langham, Graham John Warrellow, Sarah Catherine Archibald, Janeen Marsha Linsley
  • Patent number: 6545013
    Abstract: 2,7-Naphthyridine containing squaric acids of formula (1) are described: wherein Ar1 is an optionally substituted 2,7-naphthridin-1-yl group; L2 is a covalent bond or a linker atom or group; Ar2 is an optionally substituted aromatic or heteroaromatic chain; Alk is a chain —CH2CH(R)—, —CH═C(R)—,  in which R is a carboxylic acid (—CO2H) or a derivative or biostere thereof; R1 is a hydrogen atom or a C1-6alkyl group; L1 is a covalent bond or a linker atom or group; Alk1 is an optionally substituted aliphatic chain; n is zero or the integer 1; R2 is a hydrogen atom or an optionally substituted heteroaliphatic, cycloaliphatic, heterocycloaliphatic, polycycloalphatic, heteropoly-cycloaliphatic, aromatic or heteroaromatic group; and the salts, solvates, hydrates and N-oxides thereof.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: April 8, 2003
    Assignee: Celltech R&D Limited
    Inventors: Barry John Langham, Rikki Peter Alexander, John Clifford Head, Janeen Marsha Linsley, John Robert Porter, Sarah Catherine Archibald, Graham John Warrellow
  • Patent number: 6518283
    Abstract: Squaric acid Derivatives of formula (1) are described: wherein R1 is an integrin binding group; R2 is a hydrogen atom or a C1-6alkyl group; L1 is a covalent bond or a linker atom or group; n is zero or the integer 1; Alk1 is an optionally substituted aliphatic chain; R3 is a hydrogen atom or an optionally substituted heteroaliphatic, cycloaliphatic, heterocycloaliphatic, polycycloaliphatic, polyheterocycloaliphatic, aromatic or heteroaromatic group: and the salts, solvates, hydrates and N-oxides thereof. The compounds are able to inhibit the binding of integrins to their ligands and are of use in the prophylaxis and treatment of immune of inflammatory disorders, or disorders involving the inappropriate growth or migration of cells.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: February 11, 2003
    Assignee: Celltech R&D Limited
    Inventors: Barry John Langham, Rikki Peter Alexander, John Clifford Head, Janeen Marsha Linsley, John Robert Porter, Sarah Catherine Archibald, Graham John Warrellow
  • Publication number: 20020143011
    Abstract: Compounds of general formula (1) are described: 1
    Type: Application
    Filed: March 14, 2001
    Publication date: October 3, 2002
    Applicant: Celltech Therapeutics, Limited
    Inventors: Graham John Warrellow, Ewan Campbell Boyd, Rikki Peter Alexander
  • Patent number: 6455539
    Abstract: Squaric acid derivatives of formula (1) are described: wherein R1 is a group Ar1Ar2Alk- in which Ar1 is an optionally substituted aromatic or heteroaromatic group; Ar2 is an optionally substituted phenylene or nitrogen-containing six-membered heteroarylene group; and Alk is a chain —CH2—CH(R)—, —CH═C(R)—, in which R is a carboxylic acid (—CO2H) or a derivative or biostere thereof; R2 is a hydrogen atom or a C1-6 alkyl group; L1 is a covalent bond or a linker atom or group; n is zero or the integer 1; Alk1 is an optionally substituted aliphatic chain; R3 is a hydrogen atom or an optionally substituted heteroaliphatic, cycloaliphatic, heterocycloaliphatic, polycycloaliphatic, heteropolycycloaliphatic, aromatic or heteroaromatic group: and the salts, solvates, hydrates and N-oxides thereof.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: September 24, 2002
    Assignee: Celltech R&D Limited
    Inventors: Barry John Langham, Rikki Peter Alexander, John Clifford Head, Janeen Marsha Linsley, John Robert Porter, Sarah Catherine Archibald, Graham John Warrellow
  • Publication number: 20020115684
    Abstract: 2,7-Naphthyridine containing squaric acids of formula (1) are described: 1
    Type: Application
    Filed: May 29, 2001
    Publication date: August 22, 2002
    Inventors: Barry John Langham, Rikki Peter Alexander, John Clifford Head, Janeen Marsha Linsley, John Robert Porter, Sarah Catherine Archibald, Graham John Warrellow
  • Publication number: 20020107263
    Abstract: Squaric acid derivatives of formula (1) are described: 1
    Type: Application
    Filed: July 5, 2001
    Publication date: August 8, 2002
    Inventors: Barry John Langham, Rikki Peter Alexander, John Clifford Head, Janeen Marsha Linsley, John Robert Porter, Sarah Catherine Archibald, Graham John Warrellow
  • Publication number: 20020099210
    Abstract: Propanoic acid derivatives of formula (1) are described:
    Type: Application
    Filed: December 15, 2000
    Publication date: July 25, 2002
    Inventors: Rikki Peter Alexander, Barry John Langham, James Thomas Reuberson, Emma Louise Trown, Graham John Warrellow