Patents by Inventor Kenner C. Rice

Kenner C. Rice 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: 6395900
    Abstract: The present invention provides a method for N-deprotecting an opioid compound, a method for N-deprotecting and O-demethylating an opioid compound, a method for O-demethylating an opioid compound, and a method for O-demethylating a nonpeptidic delta agonist compound or an opioid compound having a tertiary amide with no significant reaction at amide groups.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: May 28, 2002
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Andrew Coop, Kenner C. Rice
  • Patent number: 6387389
    Abstract: The present invention provides sustained-release derivatives of hydroxylated analogs of substituted 1-[2[bis(aryl)methoxy]ethyl]-piperazines and -homopiperazines, pharmaceutical compositions comprising the same, and a method of using such sustained-release derivatives to bind the dopamine transporter to achieve a desired effect, such as antagonism of dopamine reuptake inhibitors, such as cocaine, or dopamine releasers or norepinephrine and/or serotonin reuptake inhibitors, such as methamphetamine.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: May 14, 2002
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventors: Richard B. Rothman, Kenner C. Rice, David Lewis, Dorota Matecka, John R. Glowa
  • Publication number: 20020045755
    Abstract: The present invention provides a method for N-deprotecting an opioid compound, a method for N-deprotecting and O-demethylating an opioid compound, a method for O-demethylating an opioid compound, and a method for O-demethylating a nonpeptidic delta agonist compound or an opioid compound having a tertiary amide with no significant reaction at amide groups.
    Type: Application
    Filed: June 29, 2001
    Publication date: April 18, 2002
    Inventors: Andrew Coop, Kenner C. Rice
  • Publication number: 20020045624
    Abstract: Certain aralkl diazabicycloalkyl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions.
    Type: Application
    Filed: September 4, 2001
    Publication date: April 18, 2002
    Inventors: Wayne D. Bowen, Brian R. De Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 6310064
    Abstract: Certain aralkyl diazabicycloalkyl compounds are disclosed for treatment of CNS disorders, such as cerebral ischemia, psychosis, and convulsions.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: October 30, 2001
    Assignee: The United States of America as represented by the of Department of Health and Human Services
    Inventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 6291675
    Abstract: The present invention provides a method for N-deprotecting an opioid compound, a method for N-deprotecting and O-demethylating an opioid compound, a method for O-demethylating an opioid compound, and a method for O-demethylating a nonpeptidic delta agonist compound or an opioid compound having a tertiary amide with no significant reaction at amide groups.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: September 18, 2001
    Assignee: The United States as represented by the Department of Health and Human Services
    Inventors: Andrew Coop, Kenner C. Rice
  • Patent number: 6046200
    Abstract: Compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are alkyl of 1-8 carbons have been shown to have both neuroprotective and analgesic activities. The compounds of the invention may be used in treatment of conditions that would normally result in neuronal damage, including those arising on account of cerebral ischemia/hypoxia or increase in intracranial pressure such as neoplasms, stroke, meningitis or trauma. Compositions of the invention can also be useful for treatment of toxin-related damage such as drug over-dose or exposure to toxins in the environment.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: April 4, 2000
    Assignees: The United States of America as represented by the Secretary of the Army, The United States of America as represented by the Department of Health and Human Services
    Inventors: Frank C. Tortella, Mark A. DeCoster, Kenner C. Rice, Sylvia N. Calderon
  • Patent number: 5958920
    Abstract: Certain aralkyl diazabicycloalkyl compounds are disclosed for treatment of CNS disorders, such as cerebral ischemia, psychosis and convulsions.
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: September 28, 1999
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 5856318
    Abstract: Certain nitrogen-containing cyclohetero cycloalkylaminoaryl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions. Compounds of particular interest are of the formula: ##STR1## wherein each of R.sup.1, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 is independently selected from hydrido, lower alkyl, benzyl, and haloloweralkyl;wherein each of R.sup.2, R.sup.3 and R.sup.8 through R.sup.11 is independently selected from hydrido, hydroxy, loweralkyl, benzyl, phenoxy, benzyloxy and haloloweralkyl; wherein n is an integer of from four to six; wherein m is an integer of from two to four; wherein A is selected from phenyl, naphthyl, benzothienyl, benzofuranyl and thienyl; wherein any of the foregoing A groups can be further substituted with one or more substituents independently selected from hydrido, hydroxy, loweralkyl, loweralkoxy, halo, haloloweralkyl, amino, monoloweralkylamino and diloweralkylamino; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: January 5, 1999
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 5739158
    Abstract: Certain nitrogen-containing cyclohetero cycloalkylaminoaryl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychotic disorders, convulsions and parkinsonism. Compounds of particular interest are of the formula ##STR1## wherein R.sup.1 is selected from hydrido, loweralkyl, cycloalkylalkyl of four to six carbon atoms and loweralkenylloweralkyl; wherein each of R.sup.2 and R.sup.3 is independently selected from hydrido and loweralkyl; wherein each of R.sup.4 through R.sup.7, R.sup.10 and R.sup.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: April 14, 1998
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Brian R. de Costa, Kenner C. Rice, Nancy M. Gray, Patricia C. Contreras, Arthur E. Jacobson, Andrew Thurkauf, Lilian A. Radesca, Wayne D. Bowen, J. Michael Walker
  • Patent number: 5686614
    Abstract: Disclosed are processes for resolving a racemic mixture of 5-aminocarbonyl-5H-dibenzo?a,d!cyclohepten-5,10-imines into component enantiomers comprising recrystallizaton of diasteriomeric tartrate salts.
    Type: Grant
    Filed: April 11, 1995
    Date of Patent: November 11, 1997
    Assignee: Neurogen Corporation
    Inventors: Tappey H. Jones, Kenner C. Rice
  • Patent number: 5679673
    Abstract: Certain aralkyl diazabicycloalkyl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions. Compounds of particular interest are of the formula: ##STR1## wherein each of R, R.sup.1, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 is independently selected from hydrido, lower-alkyl, benzyl, and haloloweralkyl; wherein each of R.sup.2, R.sup.3 and R.sup.10 through R.sup.13 is independently selected from hydrido, hydroxy, loweralkyl, benzyl, phenoxy, benzyloxy and haloloweralkyl; wherein each of R.sup.8 and R.sup.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: October 21, 1997
    Assignee: The United States of America, represented by the Department of Health and Human Services
    Inventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 5679679
    Abstract: Certain aralkyl diazabicyloalkyl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions. Compounds of particular interest are of the formula: ##STR1## wherein: each of R.sup.1, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 is independently selected from the group consisting of hydrido, loweralkyl, benzyl and haloloweralkyl;each of R.sup.2, R.sup.3, and R.sup.8 through R.sup.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: October 21, 1997
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 5668285
    Abstract: The invention involves a method of making key intermediates useful in the synthesis of many opiate narcotics and antagonists and agonists; and the non-opiate enantiomers thereof which have potent antitussive properties. The synthesis starts from either the natural or unnatural enantiomer of nordihydrocodeinone and produces 8, 14-dihydronorthebaine, the diketal of 7-bromonordihydrocodeinone, northebaine, norcodeinone diketal and 14-hydroxynorcodeinone intermediates without the necessity of leaving the N-nor structure. The syntheses have fewer steps than previous methods, and also have high yields.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: September 16, 1997
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Kenner C. Rice, Amy H. Newman
  • Patent number: 5656625
    Abstract: Certain nitrogen-containing cyclohetero cycloalkylaminoaryl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions. Compounds of particular interest are of the formula: ##STR1## wherein each of R.sup.1, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 is independently selected from hydrido, lower alkyl, benzyl, and haloloweralkyl;wherein each of R.sup.2, R.sup.3 and R.sup.8 through R.sup.11 is independently selected from hydrido, hydroxy, loweralkyl, benzyl, phenoxy, benzyloxy and haloloweralkyl; wherein n is an integer of from four to six; wherein m is an integer of from two to four; wherein A is selected from phenyl, naphthyl, benzothienyl, benzofuranyl and thienyl; wherein any of the foregoing A groups can be further substituted with one or more substituents independently selected from hydrido, hydroxy, loweralkyl, loweralkoxy, halo, haloloweralkyl, amino, monoloweralkylamino and diloweralkylamino; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: August 12, 1997
    Assignees: The United States of America as represented by the Department of Health and Human Services, Brown University Research Foundation
    Inventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 5604255
    Abstract: Compounds, compositions and methods of treatment are described to control brain damage associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of an N-(1-thienylcycloalkyl)alkenylamine compound as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula ##STR1## wherein R.sup.1 is one or more groups selected from hydrido, alkyl of one to about five carbon atoms, cycloalkyl of three to about five carbon atoms, alkenyl of two to about five carbon atoms, hydroxyl and alkoxy; wherein each of R.sup.2 is one or more groups selected from hydrido, alkyl of one to about five carbon atoms, cycloalkyl of three to about five carbon atoms, alkenyl of two to about five carbon atoms, hydroxyl, oxo and alkoxy; wherein R.sup.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: February 18, 1997
    Assignees: The United States of America as represented by the Department of Health and Human Services, G. D. Searle & Co.
    Inventors: Kenner C. Rice, Arthur E. Jacobson, Andrew Thurkauf, Mariena V. Mattson, Thomas L. O'Donohue, Patricia C. Contreras, Nancy M. Gray
  • Patent number: 5571832
    Abstract: Compounds comprising a pyrrolidinyl ring are disclosed for use in the treatment of cerebral ischemia.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: November 5, 1996
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Brian R. de Costa, Wayne D. Bowen, Xiao-Shu He, Lilian Radesca, Kenner C. Rice
  • Patent number: 5401755
    Abstract: Compounds, compositions and methods of treatment are described to control brain damage associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of an N-(1-thienylcycloalkyl)alkenylamine compound as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula ##STR1## wherein R.sup.1, R.sup.2, and R.sup.5 are defined in specification.
    Type: Grant
    Filed: October 8, 1991
    Date of Patent: March 28, 1995
    Assignees: G. D. Searle & Co., National Institutes of Health
    Inventors: Kenner C. Rice, Arthur E. Jacobson, Andrew Thurkauf, Mariena V. Mattson, Thomas L. O'Donohue, Patricia C. Contreras, Nancy M. Gray
  • Patent number: 5346908
    Abstract: Certain nitrogen-containing cyclohetero cycloalkylaminoaryl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions. Compounds of particular interest are of the formula: ##STR1## wherein each of R.sup.1, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 is independently selected from hydrido, lower alkyl, benzyl, and haloloweralkyl; wherein each of R.sup.2, R.sup.3 and R.sup.8 through R.sup.11 is independently selected from hydrido, hydroxy, loweralkyl, benzyl, phenoxy, benzyloxy and haloloweralkyl; wherein n is an integer of from four to six; wherein m is an integer of from two to four; wherein A is selected from phenyl, naphthyl, benzothienyl, benzofuranyl and thienyl; wherein any of the foregoing A groups can be further substituted with one or more substituents independently selected from hydrido, hydroxy, loweralkyl, loweralkoxy, halo, haloloweralkyl, amino, monoloweralkylamino and diloweralkylamino; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: September 13, 1994
    Assignees: National Institutes of Health, Brown University
    Inventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 5336483
    Abstract: The present invention is directed to radiolabeled N-substituted-6-iodo-3,14-dihydroxy-4,5.alpha.-epoxymorphinans, intermediates for producing the same, and a process for the preparation and methods of detecting opioid receptors. The radioimaging agent of the present invention has the following formula: ##STR1## wherein I is selected from the group consisting of .sup.123 L and .sup.125 ; and where R is alkyl, cycloalkylloweralkyl or allyl.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: August 9, 1994
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Brian R. de Costa, Michael J. Iadarola, Kenner C. Rice, Richard B. Rothman, Karen F. Berman