Patents by Inventor Jean C. Pascal

Jean C. Pascal 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: 5514800
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, m, n and q are defined as in the specification, and the pharmaceutically acceptable salts thereof. The compounds have calcium entry blocking activity with selectivity for cerebral blood vessels, and have protective activity against some of the deleterious effects resultant upon cerebral ischemia.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: May 7, 1996
    Assignee: Syntex Pharmaceuticals, Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting, Calum B. MacFarlane, Serge Beranger
  • Patent number: 5276034
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives and the pharmaceutically acceptable salts thereof are useful for treating mammals having any of a variety of disease states. These disease states include: 1) diseases treated by direct neuronal protection, including focal and global ischemia, spinal injuries, and head trauma, and neurological diseases including Alzheimer's and Huntington's chorea; 2) uraemic and hyponatraemic encephalopathy; 3) diseases treated by diuresis; 4) diseases treated by calcium channel antagonism, including cardiovascular diseases (i.e. hypertension, angina, stable and unstable angina, Prinzmetal angina, arrhythmia, thrombosis, embolism, and congestive heart failure including chronic or acute cardiac failure), diseases characterized by ischemia of lower legs due to peripheral vascular disease (e.g., intermittent claudication), diseases characterized by spasms of smooth muscle (i.e.
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: January 4, 1994
    Assignee: Syntex Pharmaceutical Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting, Calum B. MacFarlane, Serge Beranger, Robert J. Dow
  • Patent number: 5252736
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein: R.sup.1 is aryl, lower alkyl, cycloalkyl or hydrogen;R.sup.2 is aryl, lower alkyl or hydrogen;R.sup.3 is lower alkyl, hydroxy, or hydrogen;R.sup.4 is aryl or hydrogen;R.sup.5 is aryl or hydrogen;m is two or three;n is zero, one or two, provided that when R.sup.3 is hydroxy, n is oneor two; andq is zero, one, two, or three;and the pharmaceutically acceptable salts thereof, are calcium channel antagonists useful for treating mammals having a variety of disease states, such as stroke, epilepsy, hypertension, angina, migraine, arrhythmia, thrombosis, embolism and also for treatment of spinal injuries.
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: October 12, 1993
    Assignee: Syntex Pharmaceuticals, Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting
  • Patent number: 5091428
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein: R.sup.1 is aryl, lower alkyl, cycloalkyl or hydrogen;R.sup.2 is aryl, lower alkyl or hydrogen;R.sup.3 is lower alkyl, hydroxy, or hydrogen;R.sup.4 is aryl or hydrogen;R.sup.5 is aryl or hydrogen;m is two or three;n is zero, one or two, provided that when R.sup.3 is hydroxy, n is one or two; andq is zero, one, two, or three;and the pharmaceutically acceptable salts thereof, are calcium channel antagonists useful for treating mammals having a variety of disease states, such as stroke, epilepsy, hypertension, angina, migraine, arrhythmia, thrombosis, embolism and also for treatment of spinal injuries.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: February 25, 1992
    Assignee: Syntex Pharmaceuticals, Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting
  • Patent number: 5043447
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein: R.sup.1 is aryl, lower alkyl, cycloalkyl or hydrogen;R.sup.2 is aryl, lower alkyl or hydrogen;R.sup.3 is lower alkyl, hydroxy, or hydrogen;R.sup.4 is aryl or hydrogen;R.sup.5 is aryl or hydrogen;m is two or three;n is zero, one or two,provided that when R.sup.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: August 27, 1991
    Assignee: Syntex Pharmaceuticals, Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting, Calum B. Macfarlane, Serge Beranger, Robert J. Dow
  • Patent number: 5010075
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein: R.sup.1 is aryl, lower alkyl, cycloalkyl or hydrogen;R.sup.2 is aryl, lower alkyl or hydrogen;R.sup.3 is lower alkyl, hydroxy, or hydrogen;R.sup.4 is aryl or hydrogen;R.sup.5 is aryl or hydrogen;m is two or three;n is zero, one or two, provided that when R.sup.3 is hydroxy, n is one or two; andq is zero, one, two, or three;and the pharmaceutically acceptable salts thereof, are calcium channel antagonists useful for treating mammals having a variety of disease states, such as stroke, epilepsy, hypertension, angina, migraine, arrhythmia, thrombosis, embolism and also for treatment of spinal injuries.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: April 23, 1991
    Assignee: Syntex Pharmaceuticals Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting
  • Patent number: 4935417
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein: R.sup.1 is aryl, lower alkyl, cycloalkyl or hydrogen;R.sup.2 is aryl, lower alkyl or hydrogen;R.sup.3 lower alkyl, hydroxy, or hydrogen;R.sup.4 aryl or hydrogen;R.sup.5 aryl or hydrogen;m is two or three;n is zero, one or two,provided that when R.sup.3 hydroxy, n is one or two; andq is zero, one, two, or three;and the pharmaceutically acceptable salts thereof, are calcium channel antagonists useful for treating mammals having a variety of disease states, such as stroke, epilipsy, hypertension, angina, migraine, arrhythmia, thrombosis, embolism and also for treatment of spinal injuries.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: June 19, 1990
    Assignee: Syntex Pharmaceuticals Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting
  • Patent number: 4829065
    Abstract: Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein: R.sup.1 is aryl, lower alkyl, cycloalkyl or hydrogen;R.sup.2 is aryl, lower alkyl or hydrogen;R.sup.3 is lower alkyl, hydroxy, or hydrogen;R.sup.4 is aryl or hydrogen;R.sup.5 is aryl or hydrogen;m is two or three;n is zero, one or two,provided that when R.sup.3 is hydroxy, n is one or two; andq is zero, one, two, or three;and the pharmaceutically acceptable salts thereof, are calcium channel antagonists useful for treating mammals having a variety of disease states, such as stroke, epilepsy, hypertension, angina, migraine, arrhythmia, thrombosis, embolism and also for treatment of spinal injuries.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: May 9, 1989
    Assignee: Syntex Pharmaceuticals, Ltd.
    Inventors: Jean C. Pascal, Chi-Ho Lee, Brian J. Alps, Henri Pinhas, Roger L. Whiting
  • Patent number: 4259334
    Abstract: The invention relates to compounds having the formula: ##STR1## in which: the substituents R.sub.1, R.sub.2 and R.sub.3 represent independently from each other a hydrogen atom, a halogen atom, a trifluoromethyl radical, a saturated or unsaturated straight- or branched-chain C.sub.1-6 alkyl radical, a C.sub.1-6 alkoxy radical the alkyl moiety of which may be saturated or unsaturated and straight- or branched-chained, a benzyloxy radical or a hydroxy radical;the substituents R.sub.5, R.sub.6 and R.sub.7 represent independently from each other a hydrogen atom, a halogen atom, a trifluoromethyl radical, a straight- or branched-chain saturated or unsaturated C.sub.1-6 alkyl radical, a C.sub.1-6 alkoxy radical the alkyl moiety of which may be saturated or unsaturated and straight- or branched-chained, or a hydroxy radical;the substituent R.sub.4 represents a hydrogen atom, a C.sub.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: March 31, 1981
    Assignee: Laroche Navarron S.A.
    Inventors: Jean C. Pascal, Henri Pinhas