Patents Assigned to Astra Pharmaceuticals Limited
  • Publication number: 20030110740
    Abstract: A filling apparatus for, a filling system for and a method of introducing into a container a suspension or solution of a substance, in particular a pharmaceutical substance, in a propellant under pressure, the filling apparatus comprising: a main body (4) including a passageway (20) for communicating, in use, with a valve stem (144) extending from a head (141) of a body (139) of a container (138); a fill actuator (7) comprising a filling valve assembly (29) in communication with the passageway (20) for selectively introducing thereinto propellant under pressure containing a substance in a suspension or solution; an exhaust actuator (10) comprising an exhaust valve assembly (48) in communication with the passageway (20) for selectively exhausting therefrom propellant under pressure containing substance; and a container-engaging body (16) in communication with the passageway (20) for receiving, in use, the head (141) of the body (139) of the container (138), the container-engaging body (16) including a chamber
    Type: Application
    Filed: January 29, 2003
    Publication date: June 19, 2003
    Applicant: Astra Pharmaceuticals Limited.
    Inventors: John Brennan, Roger Matthews, Stephen Metcalf
  • Publication number: 20010032644
    Abstract: An actuator for an inhaler for administering medicament by inhalation, comprising: a main body (102) comprising an elongate tubular member (108) for receiving a canister (107) containing medicament and having a valve stem (111) extending therefrom, the tubular member (108) including a lateral opening (114) at one end thereof; and an outlet assembly (104) comprising a mouthpiece for guiding medicament to the mouth of a user and a nozzle block (120) for receiving the valve stem (111) of the canister (107) and delivering medicament from the canister (107) into the mouthpiece, the outlet assembly (104) being detachably mounted, through the lateral opening (114), to the main body (102) at an angle transverse to the length of the tubular member (108); characterized in that one of the main body (102) and the outlet assembly (104) further comprises at least one resiliently biased member, which is configured to engage with at least one part of the other of the main body (102) and the outlet assembly (104) and thereby
    Type: Application
    Filed: April 2, 2001
    Publication date: October 25, 2001
    Applicant: Astra Pharmaceuticals Limited
    Inventors: Darren Hodson, Jorgen Rasmussen
  • Publication number: 20010011563
    Abstract: A filling apparatus for, a filling system for and a method of introducing into a container a suspension or solution of a substance, in particular a pharmaceutical substance, in a propellant under pressure, the filling apparatus comprising: a main body (4) including a passageway (20) for communicating, in use, with a valve stem (144) extending from a head (141) of a body (139) of a container (138); a fill actuator (7) comprising a filling valve assembly (29) in communication with the passageway (20) for selectively introducing thereinto propellant under pressure containing a substance in a suspension or solution; an exhaust actuator (10) comprising an exhaust valve assembly (48) in communication with the passageway (20) for selectively exhausting therefrom propellant under pressure containing substance; and a container-engaging body (16) in communication with the passageway (20) for receiving, in use, the head (141) of the body (139) of the container (138), the container-engaging body (16) including a chamber
    Type: Application
    Filed: March 26, 2001
    Publication date: August 9, 2001
    Applicant: Astra Pharmaceuticals Limited
    Inventors: John Brennan, Roger Matthews, Stephen Metcalf
  • Patent number: 6107297
    Abstract: The invention relates to new pharmaceutically active compounds which are P2-purinoceptor 7-transmembrane (TM) G-protein coupled receptor antagonists, compositions containing them and processes for their preparation.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: August 22, 2000
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Nicholas Kindon, Premji Meghani, Stephen Thom
  • Patent number: 6100246
    Abstract: There are provided novel compounds of formula (I) ##STR1## wherein A represents a benzo ring; a six membered heterocyclic aromatic ring containing 1 to 3 nitrogen atoms; or a five membered heterocyclic aromatic ring containing 1 to 3 heteroatoms which may be the same or different and are selected from O, N and S; and R.sup.1, R.sup.2, R.sup.3 and X are as defined in the Specification and pharmaceutically acceptable salts thereof and enantiomers and tautomers thereof; together with processes for their preparation, compositions containing them and their use in therapy. The compounds are inhibitors of nitric oxide synthase and are thereby particularly useful in the treatment and prophylaxis of inflammatory disease and pain.
    Type: Grant
    Filed: May 8, 1999
    Date of Patent: August 8, 2000
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Peter Richard Hamley, Thomas McInally, Alan Charles Tinker
  • Patent number: 6083952
    Abstract: There are provided novel compounds of formula (I) ##STR1## wherein A represents an aromatic carbocyclic ring or a 5- or 6-membered heterocyclic aromatic ring containing 1 to 3 heteroatoms which may be the same or different and are selected from O, N and S; X represents --(CH.sub.2).sub.n -- wherein n represents zero or 1; and R.sup.1, R.sup.2 and R.sup.3 are as defined in the specification, and pharmaceutically acceptable salts thereof, and enantiomers and tautomers thereof; together with processes for their preparation, compositions containing them and their use in therapy. The compounds are inhibitors of nitric oxide synthase and are thereby particularly useful in the treatment or prophylaxis of inflammatory disease and pain.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: July 4, 2000
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Peter Hamley, Austen Pimm, Alan Tinker
  • Patent number: 6080869
    Abstract: A compound of formula I, including optical isomers thereof, whereinX represents --SO.sub.2 NH-- or --NHSO.sub.
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: June 27, 2000
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Roger Victor Bonnert, Roger Charles Brown
  • Patent number: 6063962
    Abstract: This invention relates to an improved process for the production of known amine compounds which are useful as medicaments.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: May 16, 2000
    Assignee: Astra Pharmaceuticals Limited
    Inventor: Alan Richard Harris
  • Patent number: 6046204
    Abstract: The invention provides certain novel 5-substituted pyrrolo[3,4-d]pyrimidine-2,4-diones, processes for their preparation, pharmaceutical compositions containing them, a process for preparing the pharmaceutical compositions, and methods of treatment involving their use.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: April 4, 2000
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Martin E Cooper, David R Cheshire, David K Donald, Mark Furber, Matthew W.D Perry, Richard P Harrison, Nicholas P Tomkinsson
  • Patent number: 5955447
    Abstract: There are disclosed compounds of formula I, ##STR1## wherein R.sup.1 and R.sup.2 independently represent hydrogen or halogen, R.sup.3 and R.sup.4 independently represent phenyl, or alkyl C.sub.1-6 optionally substituted by one or more substituents selected from OR.sup.5, alkylthio C.sub.1-6, NR.sup.6 R.sup.7, phenyl, COOR.sup.8 and halogen,R.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently represent hydrogen or alkyl C.sub.1-6, andX represents an acidic moiety,and pharmaceutically acceptable salts thereof. Processes for their production and pharmaceutical compositions and methods of treatment involving their use are also described.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: September 21, 1999
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Anthony H Ingall, Peter A Cage, Nicholas D Kindon
  • Patent number: 5929100
    Abstract: Compounds of formula I, ##STR1## wherein X represents naphthyl optionally substituted by alkyl or halogen; andp, q and r independently represent 2 or 3,and pharmaceutically acceptable salts thereof;processes for their preparation and methods for their use.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: July 27, 1999
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Roger Bonnert, Roger Brown, Peter Cage, David Cheshire, Francis Ince
  • Patent number: 5883102
    Abstract: Compounds of formula (I) wherein: R.sup.1 and R.sup.19 independently represent hydrogen, alkyl C1-6, alkoxy C1-6, alkylthio C1-6, halogen, hydroxyl or amino;R.sup.2 represents H or alkyl;R.sup.3 represents phenyl, a 6-membered heterocyclic aromatic ring containing one or two nitrogen atoms, or a 5-membered heterocyclic aromatic ring containing 1 to 3 heteroatoms selected from O,N, and S, which phenyl or heterocyclic aromatic ring may be optionally substituted by alkyl C1-6, alkoxy C1-6, haologen, hydroxyl, alkylthio C1-6, cyano, trifluoromethyl, nitro, hydroxymethyl, amino, a group --(CH.sub.2).sub.c NHCO.sub.2 R.sup.10, a group --(CH.sub.2).sub.c NR.sup.5 R.sup.6, or a group --CO.sub.2 R.sup.11 ; or R.sup.3 represents hydrogen or alkyl C1-8, which alkyl group may be optionally substituted by amino or a group --NHCO.sub.2 R.sup.10 ;R.sup.4 represents hydrogen or alkyl C1-6; orR.sup.3 and R.sup.4 taken together represent a group (CH.sub.2).sub.a Z(CH.sub.2).sub.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: March 16, 1999
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Peter Hamley, Austen Pimm, Alan Tinker, Haydn Beaton, Thomas McInally
  • Patent number: 5846989
    Abstract: A compound of formula I, including optical isomers thereof, ##STR1## wherein X represents --SO.sub.2 NH-- or --NHSO.sub.2 --,p, q and r independently represent 2 or 3,Y represents thienyl optionally substituted by alkyl or halogen, or phenylthio- or phenyl optionally substituted by alkyl or halogen, andeach R independently represents H or alkyl,and pharmaceutically acceptable salts, esters and amides thereof.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: December 8, 1998
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Roger Victor Bonnert, Roger Charles Brown, Peter Alan Cage, Francis Ince, Garry Pairaudeau
  • Patent number: 5763465
    Abstract: There are disclosed compounds of formula I,Ar--CH.sub.2 CH.sub.2 --NH--CR.sup.1 R.sup.2 --X--Y Iin whichAr represents a group, ##STR1## X represents a C.sub.1-12 alkylene chain optionally interrupted or terminated by one or more groups selected from --S(O).sub.n --, --O--, --C(Z)--, CR.sup.6 R.sup.7, phenylmethyne, --NR.sup.8 --, --CONH--, --NHCO-- and --NHCONH--,Y represents an optionally substituted aryl or cycloalkyl group,Z represents O or S,R.sup.1, R.sup.2, R.sup.5 and R.sup.9 each independently represent hydrogen or alkyl C.sub.1-6,R.sup.3 and R.sup.4 represent hydrogen, or R.sup.3 and R.sup.4 together form a group --S--, --NR.sup.9 -- or --CH.sub.2 --,R.sup.6 and R.sup.7 independently represent hydrogen, alkyl C.sub.1-6, fluoro, cyano, or CF.sub.3, provided that at least one of R.sup.6 and R.sup.7 is other than hydrogen,R.sup.8 represents hydrogen or alkyl C.sub.1-6, or when X is interrupted or terminated by more than one --NR.sup.8 -- group may together with another R.sup.8 group form the chain --CH.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: June 9, 1998
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Roger V. Bonnert, Roger C. Brown, David R. Cheshire, Francis Ince, John Dixon
  • Patent number: 5747496
    Abstract: Compounds of the formula (I) ##STR1## wherein B is O or CH.sub.2 ;X is selected from NR.sup.1 R.sup.2, SR.sup.1, and C.sub.1 -C.sub.7 alkyl;Y is selected SR.sup.1, NR.sup.1 R.sup.2, and C.sub.1 -C.sub.7 alkyl;R.sup.1 and R.sup.2 is each and independently selected from H, or C.sub.1 -C.sub.7 alkyl optionally substituted upon or within the alkyl chain by one or more of O, S, N or halogen;R.sup.3 and R.sup.4 are both H, or R.sup.3 and R.sup.4 together form a bond;A is COOH, C(O)NH(CH.sub.2).sub.p COOH, C(O)N?(CH.sub.2).sub.q COOH!.sub.2, C(O)NHCH(COOH)(CH.sub.2).sub.r COOH, or 5-tetrazolyl, wherein p, q and r is each and independently 1, 2 or 3;as well as pharmaceutically acceptable salts and prodrugs thereof, pharmaceutical compositions comprising the novel compounds and use of the compounds in therapy. Also within the scope of the invention are novel intermediates to the novel compounds. The novel compounds are in particular useful in the prevention of platelet aggregation.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: May 5, 1998
    Assignee: Astra Pharmaceuticals Limited
    Inventors: David Cox, Anthony Ingall, Paul Willis
  • Patent number: 5654285
    Abstract: There are disclosed compounds of formula I, ##STR1## wherein Q represents CR.sup.1 R.sup.2,R represents O or CR.sup.3 R.sup.4,W represents O or CH.sub.2,R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent hydrogen or halogen,X represents S(O).sub.n R.sup.5, alkyl C.sub.1-6 alkoxy C.sub.1-6, acylamino C.sub.1-6, CONR.sup.6 R.sup.7, NR.sup.8 R.sup.9, halogen, a 5- or 6-membered S containing heterocycle, or phenyl optionally substituted by alkyl C.sub.1-6,n represents 0, 1 or 2,R.sup.5 represents aryl or alkyl C.sub.1-6 optionally substituted by one or more substituents selected from hydroxy, alkoxy C.sub.1-6, halogen and aryl;R.sup.6, R.sup.7, R.sup.8 and R.sup.9 independently represent hydrogen or alkyl C.sub.1-6,Y represents NH.sub.2 or alkoxy C.sub.1-6, andZ represents an acidic moiety,in addition, when R represents CR.sup.3 R.sup.4, then --Q--Z may also represent hydroxy or --OP(O)(OH).sub.2,and pharmaceutically acceptable salts thereof, with certain provisos, for use as pharmaceuticals.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 5, 1997
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Anthony H. Ingall, Peter A. Cage
  • Patent number: 5648370
    Abstract: There are disclosed compounds of formula I,Ar--CH.sub.2 CH.sub.2 --NH--CR.sup.1 R.sup.2 --X--Y Iin whichAr represents a group, ##STR1## X represents a C.sub.1-12 alkylene chain optionally interrupted or terminated by one or more groups selected from --S(O).sub.n --, --O--, --C(Z)--, CR.sup.6 R.sup.7, phenylmethyne, --NR.sup.8 --, --CONH--, --NHCO-- and --NHCONH--,Y represents an optionally substituted aryl or cycloalkyl group,Z represents O or S,R.sup.1, R.sup.2, R.sup.5 and R.sup.9 each independently represent hydrogen or alkyl C.sub.1-6,R.sup.3 and R.sup.4 represent hydrogen, or R.sup.3 and R.sup.4 together form a group --S--, --NR.sup.9 -- or --CH.sub.2 --,R.sup.6 and R.sup.7 independently represent hydrogen, alkyl C.sub.1-6, fluoro, cyano, or CF.sub.3, provided that at least one of R.sup.6 and R.sup.7 is other than hydrogen,R.sup.8 represents hydrogen or alkyl C.sub.1-6, or when X is interrupted or terminated by more than one --NR.sup.8 -- group may together with another R.sup.8 group form the chain --CH.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: July 15, 1997
    Assignee: Astra Pharmaceuticals Limited
    Inventors: Roger V. Bonnert, Roger C. Brown, David R. Cheshire, Francis Ince, John Dixon