Patents by Inventor Brenda Costall

Brenda Costall 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: 5707988
    Abstract: Compounds of formula (I) ##STR1## in which X represents a group >O, >S, >C.dbd.O or >NR wherein R is hydrogen, C.sub.1-6 alkyl, phenyl or C.sub.7-12 phenalkyl, R.sub.1 and R.sub.2 each represent hydrogen or together represent an oxo group and R.sub.3, R.sub.4 and R.sub.5 each represent hydrogen or R.sub.1 represents hydrogen and two of R.sub.2, R.sub.3, R.sub.4 and R.sub.5 together represent the second bond of a double bond joining positions 7 and 8, 8 and 9 or 9 and 10 with the remaining two of R.sub.2, R.sub.3, R.sub.4 and R.sub.5 representing hydrogen, the compound optionally being in the form of a salt thereof formed with a physiologically acceptable inorganic or organic acid, are of value for the treatment of anxiety and in the improvement of learning ability and/or the reversal of amnesia.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: January 13, 1998
    Assignee: British Technology Group Ltd.
    Inventors: Edward Andrew Boyd, Brenda Costall, Mary Elizabeth Kelly, Philip James Parsons
  • Patent number: 5578626
    Abstract: Compounds of formula (I) ##STR1## in which R.sub.1 represents hydrogen, a C.sub.1-6 aliphatic hydrocarbyl group or a C.sub.1-4 aliphatic hydrocarbyl group substituted by a C.sub.3-6 alicyclic hydrocarbyl group or by a phenyl group, which phenyl group is unsubstituted or substituted by a halogeno or C.sub.1-3 halogenoalkyl group, R.sub.2 represents hydrogen, R.sub.3 represents hydrogen, a 5-or 6-membered ring aromatic heterocyclyl group containing one or two heteroatoms selected from nitrogen, oxygen and sulphur which is unsubstituted or substituted by a halogeno or C.sub.1-3 halogenoalkyl group, or a group AR wherein A is a straight chain C.sub.1-4 aliphatic hydrocarbyl group terminally substituted by R which is hydrogen, a phenyl group or a 5-or 6-membered ring aromatic heterocyclyl group containing one or two heteroatoms selected from nitrogen, oxygen and sulphur, which phenyl or heterocyclyl group R is unsubstituted or substituted by a halogeno or C.sub.1-3 halogenoalkyl group, R.sub.4 and R.sub.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 26, 1996
    Assignee: British Technology Group Limited
    Inventors: Edward A. Boyd, Brenda Costall, Mary E. Kelly, Philip J. Parsons
  • Patent number: 5476867
    Abstract: Compounds of formula (I) ##STR1## in which R.sub.1 represents hydrogen, a C.sub.1-6 aliphatic hydrocarbyl group or a C.sub.1-4 aliphatic hydrocarbyl group substituted by a C.sub.3-6 alicyclic hydrocarbyl group or by a phenyl group, which phenyl group is unsubstituted or substituted by a halogeno or C.sub.1-3 halogenoalkyl group, R.sub.2 represents hydrogen, R.sub.3 represents hydrogen, a 5- or 6-membered ring aromatic heterocyclyl group containing one or two heteroatoms selected from nitrogen, oxygen and sulphur which is unsubstituted or substituted by a halogeno or C.sub.1-3 halogenoalkyl group, or a group AR wherein A is a straight chain C.sub.1-4 aliphatic hydrocarbyl group terminally substituted by R which is hydrogen, a phenyl group or a 5- or 6-membered ring aromatic heterocyclyl group containing one or two heteroatoms selected from nitrogen, oxygen and sulphur, which phenyl or heterocyclyl group R is unsubstituted or substituted by a halogeno or C.sub.1-3 halogenoalkyl group, R.sub.4 and R.sub.
    Type: Grant
    Filed: August 15, 1994
    Date of Patent: December 19, 1995
    Assignee: British Technology Group Limited
    Inventors: Edward A. Boyd, Brenda Costall, Mary E. Kelly, Philip J. Parsons
  • Patent number: 5462948
    Abstract: 1-Aryl-3-(4-1piperidyl)-indole derivatives having general formula (I), ##STR1## wherein R.sup.1 is hydrogen, halogen, alkyl, alkoxy, hydroxy, cyano, nitro, alkylthio, trifluoromethyl, trifluoromethylthio, alkylsulfonyl, amino, alkylamino or dialkylaminio; R is optionally substituted phenyl or a heteroaromatic group; and R.sup.2 is hydrogen, cycloalkyl, alkyl or alkenyl, optionally substituted with one or two hydroxy groups, or R.sup.2 is a group of formula (IV), ##STR2## wherein n is an integer of from 2-6; W is O, S or N--R.sup.3, wherein R.sup.3 is H alkyl or cycloalkyl; U is N or CH, Z is --(CH.sub.2).sub.m --, m being 2 or 3, or Z is --CH.dbd.CH--, 1,2-phenylene, or --COCH.sub.2 -- or --CSCH.sub.2 --; V is O,S,CH.sub.2, or NR.sup.4, wherein R.sup.4 is hydrogen, optionally hydroxy substituted alkyl, alkenyl or cycloalkylmethyl; are useful in alleviating, relieving or suppressing withdrawal or abstinence symptons or suppressing the dependency of a drug or a substance of abuse.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: October 31, 1995
    Assignee: H. Lundbeck A/S
    Inventors: Jens K. Perregaard, Brenda Costall
  • Patent number: 5444073
    Abstract: A method for treating memory impairment is disclosed. The method comprises administering a therapeutically effective amount of a compound having the formula: ##STR1## or a pharmaceutically acceptable acid addition salt or prodrug therefor to a patient.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: August 22, 1995
    Assignee: H. Lundbeck A/S
    Inventors: Jens K. Perregaard, Brenda Costall
  • Patent number: 5439922
    Abstract: A method for treating anxiety in mammals comprising administering in an effective amount to said mammal an 1-aryl-3-(4-piperidyl)-indole derivative having the general formula: ##STR1## wherein R.sup.1 is H, F, Cl, Br, methyl, methoxy or cyano; and R.sup.3 is H or methyl; or a pharmaceutical acceptable acid addition salt thereof.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: August 8, 1995
    Assignee: H. Lundbeck A/S
    Inventors: Jens K. Perregaard, Brenda Costall
  • Patent number: 5177086
    Abstract: Phenyl-3-aminoalkyl-4-methyl-2,6-dioxopiperidines of the Formula I ##STR1## wherein: R.sub.1 represents hydrogen or C.sub.1 -C.sub.4 alkyl;n is 1 or 2;R.sub.2 represents hydrogen or methyl, provided that one R.sub.2 is hydrogen when n is 2;R.sub.3 represents hydrogen or C.sub.1 -C.sub.2 alkyl;R.sub.4 represents C.sub.1 -C.sub.2 alkyl;R.sub.5 and R.sub.6 independently represent hydrogen or methyl;m is 0 to 3; andeach Y is in a meta or para position and independently represents hydroxy, C.sub.1 -C.sub.2 alkoxy, C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 hydroxyalkyl, halogen, or trifluoromethyl, provided that hydroxy and alkoxy are not in the para position,and not pharmacologically acceptable salts thereof have memory enhancing activity and are particularly useful in the treatment of cognitive deficiencies such as senile dementia.The presently preferred compound is 3-(3'methoxyphenyl)-3-(3'-N,N-dimethylaminopropyl)-4,4-dimethyl-2,6-dioxop iperidine (AGN 2979).
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: January 5, 1993
    Assignee: National Research Development Corporation
    Inventor: Brenda Costall
  • Patent number: 5141949
    Abstract: Anxiolytic and antipsychotic treatment is provided to patients by administering therapeutically effective amounts of N-[2-(diethylamino)-ethyl]-2-methoxy-4-[(1-H-4,5-dihydro-2-imidazolyl)-ami no]-5-chlorobenzamide, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: August 25, 1992
    Assignee: Laboratoires Delagrange (Synthelabo)
    Inventors: Jacques Acher, Jean-Claude Monier, Jean-Paul Schmitt, Brenda Costall, Robert Naylor, Renee Gardaix-Luthereau
  • Patent number: 5116857
    Abstract: The present invention relates to the use of substituted benzamides of formula (1): ##STR1## in which: A is linear or branched C.sub.1 -C.sub.3 alkyl; allyl or diethylaminoethyl;R.sub.1 is hydrogen or methyl, andZ-- is --NH--, --O-- or --S--,and of their pharmacologically acceptable salts for modifying gastric motility.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: May 26, 1992
    Assignee: Laboratoires Delagrange Div. Societe d'Applications Pharmacodynamiques
    Inventors: Jacques Acher, Jean-Claude Monier, Jean-Paul Schmitt, Brenda Costall, Robert Naylor, Renee Gardaix-Luthereau
  • Patent number: 5116859
    Abstract: Anxiolytic and antipsychotic treatment is provided to patients by administering therapeutically effective amounts of N-[2-(diethylamino)-ethyl]-2-methoxy-4-[(1-H-4,5-dihydro-2-immidazolyl)-am ino]-5-chlorobenzamide, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 17, 1988
    Date of Patent: May 26, 1992
    Assignee: Laboratoires Delagrange Societe d'Application Pharmacodynamiques
    Inventors: Jacques Acher, Jean-Claude Monier, Jean-Paul Schmitt, Brenda Costall, Robert Naylor, Renee Gardaix-Luthereau
  • Patent number: 5110824
    Abstract: The invention relates to the use of benzamide derivatives of the formula: ##STR1## in which: A is a diethylaminoethyl group or a group of the formula II: ##STR2## where R is a C.sub.1 -C.sub.3 alkyl, allyl, cyclopropylmethyl or cyclohexenylmethyl group,X is a chlorine or bromine atom, andZ is --NH-- or --O-- with the following condition: when Z is --O--, A is a diethylaminoethyl group, and their pharmacologically acceptable salts for the preparation of medicinal products which are useful in the treatment and prevention of disorders of the cognitive function.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: May 5, 1992
    Assignee: Societe d'Etudes Scientifiques et Industrielles de L'Ile-de-France
    Inventors: Jacques Acher, Jean-Claude Monier, Jean-Paul Schmitt, Renee Gardaix-Luthereau, Brenda Costall, Robert Naylor
  • Patent number: 5098889
    Abstract: A method is provided for imhibiting loss of cognitive functon, including memory, which may or may not be associated with Alzheimer's disease, by administering an ACE inhibitor, such as captopril, fosinopril, zofenopril or ceranapril in combination with a drug that acts as serotonin receptors such as zacopride, over a prolonged period of treatment.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: March 24, 1992
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Brenda Costall, Zola P. Horovitz
  • Patent number: 5086066
    Abstract: The present invention relates to the application of substituted benzamides of formula (I): ##STR1## in which: A is diethylaminoethyl, 1-ethyl-2-pyrrolidinylmethyl or 1-allyl-2-pyrrolidinylmethyl;R.sub.1 is hydrogen or methyl;X is chlorine or bromine;Z is --NH-- or --O-- except when Z is --NH--,R.sub.1 is hydrogen and X is chlorine, and of their pharmacologically acceptable addition salts, as anxiolytics and antipsychotics.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: February 4, 1992
    Assignee: Laboratoires Delagrange Societe d'Applications Pharmacodnymiques
    Inventors: Jacques Acher, Jean-Claude Monier, Jean-Paul Schmitt, Renee Gardaix-Luthereau, Robert Naylor, Brenda Costall
  • Patent number: 4914117
    Abstract: New substituted benzamides have the general formula: ##STR1## their optical isomers and their physiologically acceptable salts. The compounds are used as activators of the central nervous system.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: April 3, 1990
    Assignee: Societe d'Etudes Scientifiques et Industrielle de l'Ile-d-France
    Inventors: Jacques Acher, Jean-Claude Monier, Jean-Paul Schmitt, Gardaix-Luthereau Renee, Brenda Costall, Robert Naylor
  • Patent number: 4877800
    Abstract: Phenyl-3-aminoalkyl-4-methyl-2,6-dioxopiperidines of the Formula I ##STR1## wherein: R.sub.1 represents hydrogen or C.sub.1 -C.sub.4 alkyl;n is 1 or 2;R.sub.2 represents hydrogen or methyl, provided that one R.sub.2 is hydrogen when n is 2;R.sub.3 represents hydrogen or C.sub.1 -C.sub.2 alkyl;R.sub.4 represents C.sub.1 -C.sub.2 alkyl;R.sub.5 and R.sub.6 independently represent hydrogen or methyl;m is 0 to 3; and each Y is in a meta or para position and independently represents hydroxy, C.sub.1 -C.sub.2 alkoxy, C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 hydroxyalkyl, halogen, or trifluoromethyl, provided that hydroxy and alkoxy are not in the para position, and pharmacologically acceptable salts thereof have antiposychotic activity without sedative side effects. They are particularly useful in the treatment of schizophrenia.The presently preferred compound is 3-(3'methoxyphenyl)-3-(3"-N,N-dimethylaminopropyl) -4,4-dimethyl-2,6-dioxopiperidine (AGN 2979).
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: October 31, 1989
    Assignee: National Research Development Corporation
    Inventor: Brenda Costall
  • Patent number: 4835172
    Abstract: New substituted benzamides have the general formula: ##STR1## A=alkyl, alkenyl, diethylaminoethyl or ##STR2## R.sub.1, R.sub.2 =H, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl; R.sub.3, R.sub.4, R.sub.5, R.sub.6 =hydrogen or C.sub.1 -C.sub.6 alkyl;X=halogen;Y=H, halogen;Z=NH, oxygen or sulfur;their optical isomers and their physiologically acceptable salts. The compounds are used as activators of the central nervous system.
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: May 30, 1989
    Assignee: Societe D'Etudes Scientifiques et Industrielles de L'Ile-de-France
    Inventors: Jacques Acher, Jean-Claude Monier, Jean-Paul Schmitt, Renee Gardaix-Luthereau, Brenda Costall, Robert Naylor
  • Patent number: 4725618
    Abstract: The use of N-(1-allyl-2-pyrrolidinylmethyl) 2-methoxy 4-amino 5-methylsulphamoyl benzamide to treat Parkinson's disease.
    Type: Grant
    Filed: July 15, 1986
    Date of Patent: February 16, 1988
    Assignee: Societe d'Etudes Scientifiques et Industrielles de l'Ile-de-France
    Inventors: Denis Besancon, Brenda Costall, Robert J. Naylor, Peter Jenner, Charles D. Marsden