Patents by Inventor Barry Sidney Orlek

Barry Sidney Orlek 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: 6277861
    Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof, where R1 is hydrogen, C1-6alkyl (optionally substituted by hydroxy or C1-4alkoxy), C1-6alkenyl, C1-6alkynyl, C1-6alkylCO—, formyl, CF3CO— or C1-6alkylSO2—; R2 is hydrogen or up to three substituents selected from halogen, NO2, CN, N3, CF3O—, CF3S—, CF3CO—, trifluoromethyldiazirinyl, C 1-6?alkyl, C1-6alkenyl, C1-6alkynyl, C1-6perfluoroalkyl, C3-6cycloalkyl, C3-6cycloalkyl-C1-4alkyl-, C1-6alkylO—, C1-6alkylCO—, C3-6cycloalkylO—, C3-6cycloalkylCO—, C3-6cycloalkyl-C1-4alkylO—, C3-6cycloalkyl-C1-4alkylCO—, phenyl, phenoxy, benzyloxy, benzoyl, phenyl-C1-4alkyl-, C1-6alkylS—, C1-6alkylSO2—, (C1-4alkyl)2NSO2—, (C1-4alkyl)NHSO2—, (C1-4alkyl)2NCO—, (C1-4alkyl)NHCO— or CONH2; or —NR5R6 where R5 is hydrogen or C1-4alkyl, and R6 is hydrogen, C1-4alkyl, formyl, —CO2C1-4alkyl or —COC1-4alkyl; or two R2 groups together form
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: August 21, 2001
    Assignee: SmithKline Beecham, p.l.c.
    Inventors: John David Harling, Barry Sidney Orlek, Mervyn Thompson
  • Patent number: 6110934
    Abstract: This invention relates to substituted benzamido-heterocyclic compounds of general formula (I) having an alkoxy substituent at the C2 position of the benzamido group and various substituents at positions C4 and C5, being optionally substituted on the N atom of the heterocyclic system, and where the unsaturated ring of the heterocyclic system is a 5,6, 7 or 8-membered ring. Also to the use of these compounds as anticonvulsants in certain medical conditions, and to processes for making them.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: August 29, 2000
    Assignee: SmithKline Beecham p.l.c.
    Inventors: John David Harling, Barry Sidney Orlek, Mervyn Thompson
  • Patent number: 5981545
    Abstract: A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## in which one of X and Y represents hydrogen and the other represents Z, where Z is a group ##STR2## in which Q represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises zero, one or two nitrogen atoms, Q being optionally C-substituted by a group R.sub.1 selected from halogen, CN, OR.sub.2, SR.sub.2, N(R.sub.2).sub.2, NHCOR.sub.2, NHCOOCH.sub.3, NHCOOC.sub.2 H.sub.5, NHOR.sub.2, N.sub.3, NHNH.sub.2, NO.sub.2, COR.sub.2, COR.sub.3, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, cyclopropyl or C.sub.1-2 alkyl optionally substituted with OR.sub.2, N(R.sub.2).sub.2, SR.sub.2, CO.sub.2 R.sub.2, CON(R.sub.2).sub.2 or one, two or three halogen atoms, in which each R.sub.2 is independently hydrogen or C.sub.1-2 alkyl and R.sub.3 is OR.sub.2, NH.sub.2 or NHR.sub.2 ; r represents an integer of 2 or 3, s represents an integer of 1 or 2 and t represents 0 or 1; R.sub.a and R.sub.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: November 9, 1999
    Assignee: Beecham Group p.l.c.
    Inventors: Sarah Margaret Jenkins, Harry John Wadsworth, Barry Sidney Orlek, Steven Mark Bromidge
  • Patent number: 5863952
    Abstract: The single enantiomers of formula (I) and salts thereof ##STR1## are calcium channel antagonists useful in the treatment of ischaemic conditions e.g., stroke.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: January 26, 1999
    Assignee: SmithKline Beecham plc
    Inventors: Barry Sidney Orlek, John David Harling
  • Patent number: 5817698
    Abstract: A method of treatment of a condition or disease related to the accumulation of calcium in the brain cells of a mammal which comprises administering to a subject in need thereof an effective amount of a compound of formula (I), wherein X is O, S, C.dbd.O or a bond; p and q are independently 0-4; R.sup.1 and R.sup.2 are each independently selected from the group consisting of hydrogen, C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl or C.sub.3-6 cycloalkylC.sub.1-4 alkyl; n is 1, 2, 3 or 4; and Ar is phenyl optionally substituted by 1 to 3 substituents selected from; halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-2 alkylenedioxy, trifluoromethyl, trifluoromethoxy, CN, NO.sub.2, amino, mono- or di- alkylamino and Ph(Alk.sup.1).sub.r Y(Alk.sup.2).sub.s -- where Ph is optionally substituted phenyl, Y is a bond, oxygen or a carbonyl group, Alk.sup.1 and Alk.sup.2 are independently C.sub.1-4 alkyl which may be straight or branched and r and s are independently 0 or 1, provided that the length of (Alk.sup.1).sub.r Y(Alk.sup.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: October 6, 1998
    Assignee: SmithKline Beecham plc
    Inventors: Thomas Henry Brown, John David Harling, Barry Sidney Orlek
  • Patent number: 5773463
    Abstract: This invention describes the use of aminoindane and amino-tetrahydronaphthalene derivatives of general formula (I) ##STR1## in which Ar, X, R.sub.1, R.sub.2 and n are defined in claim 1, for the manufacture of a medicament for the treatment of disorders in which a calcium channel antagonist is indicated. Novel compounds falling within formula (I) are also claimed.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: June 30, 1998
    Assignee: SmithKline Beecham p.l.c.
    Inventors: John David Harling, Barry Sidney Orlek