Patents by Inventor Charles A. Blum

Charles A. Blum 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: 6372743
    Abstract: Disclosed are compounds of the formula: where R1, R2, R3, R4, R5, R6, and X are defined herein. These compounds are selective modulators of NPY1 receptors. These compounds are useful in the treatment of a number of CNS disorders, metabolic disorders, and peripheral disorders, particularly eating disorders and hypertension. Methods of treatment of such disorders and well as packaged pharmaceutical compositions are also provided. Compounds of the invention are also useful as probes for the localization of NPY1 receptors and as standards in assays for NPY1 receptor binding. Methods of using the compounds in receptor localization studies are given.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: April 16, 2002
    Assignees: Neurogen Corporation, Pfizer Inc.
    Inventors: James W. Darrow, Stephane De Lombaert, Charles Blum, Jennifer Tran, Mark Giangiordano, David Andrew Griffith, Philip Albert Carpino
  • Patent number: 6316617
    Abstract: This invention encompasses compounds of the formula where X1, X2, and X3, independently represent substituents of formula  and the pharmaceutically acceptable salts thereof wherein the remaining variables are as defined herein and wherein said compounds are useful in the diagnosis and treatment of feeding disorders such as obesity and bulimia and cardiovascular diseases such as essential hypertension and congestive heart failure due to the binding of these compounds to human Neuropeptide Y1 receptors.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: November 13, 2001
    Assignee: Neurogen Corporation
    Inventors: Charles A. Blum, Robert DeSimone, Alan Hutchison, John M. Peterson
  • Patent number: 6187175
    Abstract: The present invention is a process to remove a +2 ionic charged, organically bound metal from a petroleum feed. The process includes contacting feed with aqueous carbon dioxide in the essential absence for emulsion formation.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: February 13, 2001
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Saul Charles Blum, Guido Sartori, Martin Leo Gorbaty, David William Savage, David Craig Dalrymple, William Edward Wales
  • Patent number: 6133265
    Abstract: Amido, amino and sulfonamide substituted benzylamine derivatives useful in treating eating disorders have the formula ##STR1## where X.sub.1, X.sub.2, and X.sub.3, independently represent substituents of formula ##STR2## D=H, lower straight or branched chain alkyl having 1-6 carbon atoms, a methylene unit incorporated into a ring connected with G as in the cases of pyrrolidine, pyrrolidone, piperidine, and piperidone;E=O or H.sub.2 ;O=0 or 1;G=straight or branched chain lower alkyl having 1-6 carbon atoms, aryl, aryl substituted with halogen, straight or branched chain lower alkyl having 1-6 carbon atoms, heteroaryl--selected from the group consisting of 2-, 3-, or 4-pyridyl, 2-pyrazyl, 2-, or 3-thienyl, 2-pyrazinyl, 2-, 3-, or 4-quinolyl, 1-, 3-, or 4-isoquinolyl, 2-quinoxalyl, 3-, or 4-cinnolyl, said heteroaryl substituted with halogen, hydroxy, straight or branched chain lower alkyl having 1-6 carbon atoms, straight or branched chain lower alkoxy having 1-6 carbon atoms;and A, T and R.sub.1 -R.sub.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: October 17, 2000
    Assignee: Neurogen Corporation
    Inventors: Charles A. Blum, Robert DeSimone, Alan Hutchison, John M. Peterson
  • Patent number: 6127395
    Abstract: Disclosed are compounds of the formula: ##STR1## wherein: T is NH, O, or S;X is hydrogen, hydroxyl, lower alkyl, or an optionally substituted amide;the W ring is an optionally substituted aryl or heteroaryl group; and ##STR2## represents an optionally substituted benzo group or an optionally substituted 5, 6, 7, or 8 membered ring.These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAa brain receptors. These compounds are useful in the diagnosis and treatment of anxiety, sleep and seizure disorders, overdose with benzodiazepine drugs and for enhancement of memory.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: October 3, 2000
    Assignee: Neurogen Corporation
    Inventors: Robert W. DeSimone, Charles A. Blum
  • Patent number: 6121260
    Abstract: Certain diaryl imidazoles act as partial agonists or antagonists for NPY receptors, in particular NPY 5 receptors. They are of use, for example in treating loss of appetite. Such compounds bear aryl groups in the 2 position. Many of the compounds are novel.
    Type: Grant
    Filed: July 2, 1998
    Date of Patent: September 19, 2000
    Assignees: Neurogen Corporation, Pfizer Inc.
    Inventors: Andrew Thurkauf, Jun Yuan, Alan Hutchison, Charles A. Blum, Richard L. Elliot, Marlys Hammond
  • Patent number: 6054042
    Abstract: The invention relates to a process for treating naphthenic acid containing whole crudes or fraction thereof to reduce or eliminate their acidity by contacting the acidic whole crude or fractions thereof at a suitable temperature typically of less than 200.degree. C. with a neutralizing amount typically from 0.25:1 up to 10:1 of overbased detergent. The process has the additional benefits of reducing materials handling problems associated with emulsion formation in treated crudes.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: April 25, 2000
    Assignee: Exxon Research and Engineering Co.
    Inventors: Martin L. Gorbaty, David J. Martella, Guido Sartori, David William Savage, Bruce Henry Ballinger, Saul Charles Blum, Michael Paul Anderson, Trikur Anantharaman Ramanarayanan
  • Patent number: 6022494
    Abstract: The invention relates to processes for treating acidic crudes of fractions thereof to reduce or eliminate their acidity and corrosivity by addition of suitable amounts of Group IA of Group IIA oxides, hydroxides and hydrates. The process has the additional benefits of reducing materials handling problems associated with treating acidic crude oils using liquid solvents and in reducing emulsion formation.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: February 8, 2000
    Assignee: Exxon Research and Engineering Co.
    Inventors: Guido Sartori, David William Savage, Martin Leo Gorbaty, Bruce Henry Ballinger, Saul Charles Blum, Michael Paul Anderson, Trikur Anantharaman Ramanarayanan, David J. Martella
  • Patent number: 5985873
    Abstract: This invention encompasses compounds of the formula ##STR1## and the pharmaceutically acceptable salts thereof wherein X.sub.1, X.sub.2, X.sub.3 represent organic or inorganic substituents, n is 1, 2, or 3, R.sub.1 -R.sub.4 are hydrogen or organic substituents, and B is nitrogen, carbon, sulfur or oxygen, useful in the diagnosis and treatment of feeding disorders such as obesity and bulimia and cardiovascular diseases such as essential hypertension and congestive heart failure due to the binding of these compounds to human Neuropeptide Y1 receptors.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: November 16, 1999
    Assignee: Neurogen Corporation
    Inventors: Charles A. Blum, Alan Hutchison, John M. Peterson
  • Patent number: 5976360
    Abstract: The viscosity of hydrocarbon feeds in reduced from crudes or crude by thermal treatment.
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: November 2, 1999
    Assignee: Exxon Research and Engineering Company
    Inventors: Saul Charles Blum, William Neergaard Olmstead
  • Patent number: 5962455
    Abstract: This invention encompasses compounds of the formula ##STR1## and the pharmaceutically acceptable salts thereof wherein X.sub.1, X.sub.2, X.sub.3 represent organic or inorganic substituents, n is 1, 2, or 3, m is 2, 3, or 4, R.sub.1 -R.sub.4 are hydrogen or organic substituents, and B is nitrogen, carbon, sulfur or oxygen, useful in the diagnosis and treatment of feeding disorders such as obesity and bulimia and cardiovascular diseases such as essential hypertension and congestive heart failure due to the binding of these compounds to mammalian Neuropeptide Y1 receptors.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: October 5, 1999
    Assignee: Neurogen Corporation
    Inventors: Charles A. Blum, Alan Hutchison, John M. Peterson
  • Patent number: 5936095
    Abstract: Disclosed are compounds of the formula: ##STR1## wherein: T is NH, O, or S;X is hydrogen, hydroxyl, lower alkyl, or an optionally substituted amide;the W ring is an optionally substituted aryl or heteroaryl group; and ##STR2## represents an optionally substituted benzo group or an optionally substituted 5, 6, 7, or 8 membered ring.These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAa brain receptors. These compounds are useful in the diagnosis and treatment of anxiety, sleep and seizure disorders, overdose with benzodiazepine drugs and for enhancement of memory.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: August 10, 1999
    Assignee: Neurogen Corporation
    Inventors: Robert W. DeSimone, Charles A. Blum
  • Patent number: 5928502
    Abstract: The invention comprises a method for reducing the amount of carboxylic acids in petroleum feeds comprising the steps of (a) adding to said petroleum feed a catalytic agent comprising an oil soluble or oil dispersible compound of a metal selected from the group consisting of Group VB, VIB, VIIB and VIII metals, wherein the amount of metal in said petroleum feed is at least about 5 wppm, (b) heating said petroleum feed with said catalytic agent in a reactor at a temperature of about 400 to about 800.degree. F. (about 204.44 to about 426.67.degree. C.) and a pressure of about atmospheric to about 1000 psig (about 6996.33 kPa) in the substantial absence of hydrogen, and (c) sweeping the reactor containing said petroleum feed and said catalytic agent with an inert gas to maintain the combined water and carbon dioxide partial pressure below about 50 psia (344.75 kPa).
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: July 27, 1999
    Assignee: Exxon Research and Engineering Co.
    Inventors: Roby Bearden, Saul Charles Blum, William Neergaard Olmstead
  • Patent number: 5914030
    Abstract: The invention comprises a method for reducing the amount of carboxylic acids in petroleum feeds comprising the steps of (a) adding to said petroleum feed a catalytic agent comprising an oil soluble or oil dispersible compound of a metal selected from the group consisting of Group VB, VIB, VIIB and VIII metals, wherein the amount of metal in said petroleum feed is at least about 5 wppm, (b) heating said petroleum feed with said catalytic agent in a reactor at a temperature of about 400 to about 800.degree. F. (about 204.44 to about 426.67.degree. C.), under a hydrogen pressure of 15 psig to 1000 psig (204.75 to 6996.33 kPa), and (c) sweeping the reactor containing said petroleum feed and said catalytic agent with hydrogen-containing gas at a rate sufficient to maintain the combined water and carbon dioxide partial pressure below about 50 psia (about 344.75 kPa).
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: June 22, 1999
    Assignee: Exxon Research and Engineering. Co.
    Inventors: Roby Bearden, Saul Charles Blum, William Neergaard Olmstead
  • Patent number: 5910590
    Abstract: Compounds of the formula ##STR1## wherein R' and R" are independently hydrogen or lower alkoxy having 1-6 carbon atoms; and R'" is halogen are disclosed. These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors and are useful in the diagnosis and treatment of anxiety, sleep and seizure disorders, overdose with benzodiazepine type drugs, and enhancement of alertness.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: June 8, 1999
    Assignee: Neurogen Corporation
    Inventors: Charles Blum, Alan Hutchison
  • Patent number: 5891325
    Abstract: The instant invention is directed to a process for reducing organic acids in petroleum feeds containing organic acids comprising: (a) thermally treating a petroleum feed containing organic acids in a thermal reaction zone comprising a plurality of stages in series, at a temperature and pressure sufficient to decompose at least a portion of said organic acids while sweeping said plurality of stages with an inert gas, to produce a volatile organic acid containing hydrocarbon fraction and a non-volatile hydrocarbon fraction; (b) treating said volatile hydrocarbon fraction to neutralize at least a portion of said organic acids therein and to produce a treated volatile hydrocarbon fraction; (c) collecting said non-volatile hydrocarbon fraction from said thermal reaction zone; and (d) blending said treated volatile hydrocarbon fraction of step (b) with said collected non-volatile hydrocarbon fraction.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: April 6, 1999
    Assignee: Exxon Research and Engineering Co.
    Inventors: Roby Bearden, Saul Charles Blum, William Neergaard Olmstead, Winston Karl Robbins
  • Patent number: 5849927
    Abstract: Disclosed are compounds of the formula: ##STR1## wherein: T is NH, O, or S;X is hydrogen, hydroxyl, lower alkyl, or an optionally substituted amide;the W ring is an optionally substituted aryl or heteroaryl group; and ##STR2## represents an optionally substituted benzo group or an optionally substituted 5, 6, 7, or 8 membered ring.These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAa brain receptors. These compounds are useful in the diagnosis and treatment of anxiety, sleep and seizure disorders, overdose with benzodiazepine drugs and for enhancement of memory.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: December 15, 1998
    Assignee: Neurogen Corporation
    Inventors: Robert W. DeSimone, Charles A. Blum
  • Patent number: 5820750
    Abstract: Petroleum acids, e.g., naphthenic acids, are removed from crudes or crude fractions by thermal treatment.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: October 13, 1998
    Assignee: Exxon Research and Engineering Company
    Inventors: Saul Charles Blum, William Neergaard Olmstead, Roby Bearden
  • Patent number: 5744603
    Abstract: This invention encompasses compounds of formula I: ##STR1## or the pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## represents: ##STR3## where n is 0, 1, or 2; R.sub.1 and R.sub.2 are hydrogen or straight or branched chain alkyl groups;Y represents various organic and inorganic substituents;W represents an aromatic group substituted with various organic and inorganic substituents;A is CH or N;B is a substituted or unsubstituted carbon or N; andE is hydrogen or straight or branched alkyl groups.These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, overdose with benzodiazepine type drugs, and enhancement of alertness.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: April 28, 1998
    Assignee: Neurogen Corporation
    Inventors: Charles Blum, Alan Hutchison
  • Patent number: 5668283
    Abstract: This invention encompasses compounds of the formula: ##STR1## and pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## represents: ##STR3## where n is 0, 1, or 2; R.sub.1 and R.sub.2 are hydrogen or straight or branched chain alkyl groups;Y represents various organic and inorganic substituents;W represents an aromatic group substituted with various organic and inorganic substituents;A is CH or N;B is a substituted or unsubstituted carbon or N; andE is hydrogen or straight or branched alkyl groupsThese compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, overdose with benzodiazepine type drugs, and enhancement of alertness.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 16, 1997
    Assignee: Neurogen Corporation
    Inventors: Charles Blum, Alan Hutchison