Patents by Inventor Deepak S

Deepak S 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: 6545049
    Abstract: Dimer-selective RXR modulator compounds having agonist, partial agonist and/or antagonist activity in the context of an RXR homodimer and/or RXR heterodimers are provided. Also provided are pharmaceutical compositions incorporating such dimer-selective RXR modulator compounds and methods for their therapeutic use.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: April 8, 2003
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: Stacie Canan-Koch, Chan K. Hwang, Marcus F. Boehm, Beth Ann Badea, Laura J. Dardashti, Lin Zhang, Alex M. Nadzan, Richard A. Heyman, Ranjan Mukherjee, Deepak S. Lala, Luc J. Farmer
  • Publication number: 20030060361
    Abstract: One aspect of the invention relates to catalyst composite containing a metal catalyst and a specifically defined carbon support containing a carbonaceous material. For example, the carbon support may have a total pore surface area of about 800 m2/g or more and about 2,000 m2/g or less where about 20% or less of the total pore surface area is micro pore surface area. Alternatively the carbon support may have a total pore volume of at least about 0.75 cc/g where about 15% or less of the total pore volume is micro pore volume. In yet another aspect of the invention, the carbon support may have a phosphorus content of about 0.75% by weight or less. In still yet another aspect of the invention, a methods of making and using the catalyst composite are disclosed.
    Type: Application
    Filed: September 17, 2001
    Publication date: March 27, 2003
    Inventors: Jian Ping Chen, Charles R. Penquite, Deepak S. Thakur
  • Publication number: 20020106405
    Abstract: The invention provides a pharmaceutical composition in solid unit dosage form, comprising, a) a therapeutically effective amount of a piperidinoalkanol compound or a pharmaceutically acceptable salt thereof; and, b) at least one inert ingredient.
    Type: Application
    Filed: January 4, 2002
    Publication date: August 8, 2002
    Inventors: Thomas T. Ortyl, Paul F. Skultety, Kristen C. Mitchell, Deepak S. Phadke, Faraneh Attarchi, Marquerite L. Pierce, Aaron W. Schoeneman, Joseph M. Schnitz
  • Publication number: 20010022973
    Abstract: The invention provides a pharmaceutical composition in solid unit dosage form, comprising, a) a therapeutically effective amount of a piperidinoalkanol compound or a pharmaceutically acceptable salt thereof; and, b) at least one inert ingredient.
    Type: Application
    Filed: April 30, 2001
    Publication date: September 20, 2001
    Inventors: Thomas T. Ortyl, Paul F. Skultety, Kristen C. Mitchell, Deepak S. Phadke, Faraneh Attarchi, Marquerite L. Pierce, Aaron W. Schoeneman, Joseph M. Schnitz
  • Patent number: 6113942
    Abstract: The invention provides a pharmaceutical composition in solid unit dosage form, comprising, a) a therapeutically effective amount of a piperidinoalkanol compound or a pharmaceutically acceptable salt thereof; and, b) at least one inert ingredient.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: September 5, 2000
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Thomas T. Ortyl, Paul F. Skultety, Kristen C. Mitchell, Deepak S. Phadke, Faraneh Attarchi, Marguerite L. Pierce, Aaron W. Schoeneman, Joseph M. Schnitz
  • Patent number: 6054627
    Abstract: Disclosed are catalysts in powdered form comprising a major amount of the oxides of a first metal selected from copper or zinc, a second metal selected from chromium, molybdenum, tungsten and vanadium, and optionally, a minor amount of the oxide of a promoter metal selected from the group consisting of manganese, barium, zinc, nickel, cobalt, cadmium, iron and any combination thereof provided that the promoter metal is not zinc if the first metal is zinc, wherein the average particle diameter of the powder is from about 6 to about 20 microns; and the particle surface area is from about 20 to about 70 m.sup.2 /g. Also disclosed is a process for preparing such catalysts and a process for hydrogenating aldehydes, ketones, carboxylic acids and carboxylic acid esters with catalysts of the type described.
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: April 25, 2000
    Assignee: Engelhard Corporation
    Inventors: Deepak S. Thakur, Eugene Palka, Thomas I. Sullivan, Eugene Nebesh, Brian D. Roberts
  • Patent number: 6049008
    Abstract: Shaped catalyst compositions are disclosed comprising (i) at least one metal selected from the group consisting of copper, manganese, zinc, nickel, cobalt and iron, (ii) calcium silicate and (iii) at least one clay material. Also disclosed are a process for preparing the foregoing shaped compositions and a process for hydrogenating aldehydes, ketone, carboxylic acids, carboxylic acid esters and nitro aroniate compounds using these shaped catalysts.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: April 11, 2000
    Assignee: Engelhard Corporation
    Inventors: Brian D. Roberts, William J. Carrick, Deepak S. Thakur
  • Patent number: 5987140
    Abstract: Secure transmission of data is provided between a plurality of computer systems over a public communication system, such as the Internet. Secure transmission of data is provided from a customer computer system to a merchant computer system, and for the further secure transmission of data from the merchant computer system to a payment gateway computer system. The payment gateway system evaluates the information and returns authorization or denial of credit via a secure transmission to the merchant which is communicated to the customer by the merchant.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: November 16, 1999
    Assignee: VeriFone, Inc.
    Inventors: Kevin Thomas Bartholomew Rowney, Deepak S. Nadig
  • Patent number: 5977010
    Abstract: Shaped catalyst compositions are disclosed comprising (i) at least one metal selected from the group consisting of copper, manganese, zinc, nickel, cobalt and iron, (ii) calcium silicate and (iii) at least one clay material. Also disclosed are a process for preparing the foregoing shaped compositions and a process for hydrogenating aldehydes, ketone, carboxylic acids, carboxylic acid esters and nitro aroniate compounds using these shaped catalysts.
    Type: Grant
    Filed: June 15, 1995
    Date of Patent: November 2, 1999
    Assignee: Engelhard Corporation
    Inventors: Brian D. Roberts, William J. Carrick, Deepak S. Thakur
  • Patent number: 5932247
    Abstract: The invention provides a pharmaceutical composition in solid unit dosage form, comprising, a) a therapeutically effective amount of a piperidinoalkanol compound or a pharmaceutically acceptable salt thereof; and, b) at least one inert ingredient.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: August 3, 1999
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Thomas T. Ortyl, Paul F. Skultety, Kristen C. Mitchell, Deepak S. Phadke, Faraneh Attarchi, Marguerite L. Pierce, Aaron W. Schoeneman, Joseph M. Schnitz
  • Patent number: 5855912
    Abstract: The invention provides a pharmaceutical composition in solid unit dosage form, comprising, a) a therapeutically effective amount of a piperidinoalkanol compound or a pharmaceutically acceptable salt thereof; and, b) at least one inert ingredient.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: January 5, 1999
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Thomas T. Ortyl, Paul F. Skultety, Kristen C. Mitchell, Deepak S. Phadke, Faraneh Attarchi, Marguerite L. Pierce, Aaron W. Schoeneman, Joseph M. Schnitz
  • Patent number: 5738872
    Abstract: The invention provides a pharmaceutical composition in solid unit dosage form, comprising, a) a therapeutically effective amount of a piperidinoalkanol compound or a pharmaceutically acceptable salt thereof; and, b) at least one inert ingredient.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: April 14, 1998
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Thomas T. Ortyl, Paul F. Skultety, Kristen C. Mitchell, Deepak S. Phadke, Faraneh Attarchi, Marquerite L. Pierce, Aaron W. Schoeneman, Joseph M. Schnitz
  • Patent number: 5437873
    Abstract: The present invention is directed towards a process for producing a superior tasting pharmaceutical composition having porous granules produced through in situ gas generation using effervescence-producing ingredients. The method disclosed herein is especially suitable for producing superior tasting antacid tablets as well as superior tasting calcium supplements.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: August 1, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Deepak S. Phadke, Melissa P. Neddermeyer
  • Patent number: 5418201
    Abstract: In one embodiment, the invention relates to a catalyst in powdered form comprising the oxides of copper, iron, aluminum and manganese wherein the atomic ratio of copper to iron is at least 1:1. In another embodiment, the invention relates to a process for preparing such hydrogenation catalysts which comprises the steps of(A) preparing a first aqueous solution containing at least one water-soluble copper salt, at least one water-soluble iron salt, and at least one water-soluble manganese salt;(B) preparing a second solution containing at least one water-soluble basic aluminum salt and at least one alkaline precipitating agent;(C) mixing the first and second solutions wherein an insoluble solid is formed;(D) recovering the soluble solid; and(E) calcining the recovered solid to form the desired catalyst.The invention also relates to a process for hydrogenating aldehydes, ketones, carboxylic acids and carboxylic acid esters.
    Type: Grant
    Filed: June 15, 1993
    Date of Patent: May 23, 1995
    Assignee: Engelhard Corporation
    Inventors: Brian D. Roberts, Deepak S. Thakur, Thomas J. Sullivan, Robert A. Plundo
  • Patent number: 5345005
    Abstract: In one embodiment, the invention relates to a catalyst in powdered form which comprises a major amount of the oxides of copper and zinc, and a minor amount of aluminum oxide wherein the pore volume of pores of said catalysts having a diameter between about 120 and about 1000 .ANG. is at least about 40% of the total pore volume. In another embodiment, the invention relates to a process for preparing hydrogenation catalysts comprising the oxides of copper, zinc and aluminum which comprises the steps of(A) preparing a first aqueous solution containing at least one water-soluble copper salt and at least one water-soluble zinc salt;(B) preparing a second solution containing at least one water-soluble basic aluminum salt and at least one alkaline precipitating agent;(C) mixing the first and second solutions whereby an insoluble solid is formed;(D) recovering the insoluble solid.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: September 6, 1994
    Assignee: Engelhard Corporation
    Inventors: Deepak S. Thakur, Brian L. Roberts, Thomas J. Sullivan, Anita L. Vichek
  • Patent number: 5302396
    Abstract: The present invention is directed towards a process for producing a superior tasting pharmaceutical composition having porous granules produced through in situ gas generation using effervescence-producing ingredients. The method disclosed herein is especially suitable for producing superior tasting antacid tablets as well as superior tasting calcium supplements.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: April 12, 1994
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Deepak S. Phadke, Melissa P. Neddermeyer
  • Patent number: 5266334
    Abstract: Water-dispersible sugar-free powdered, bulk laxative compositions containing cellulose ethers as the active agent are disclosed. These bulk laxative compositions form smooth, palatable dispersions in water which dispersions contain a therapeutically effective amount of the cellulose ether.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: November 30, 1993
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Deepak S. Phadke, Julie L. Collier
  • Patent number: 5243095
    Abstract: In one embodiment, the invention relates to a catalyst in powdered form comprising the oxides of copper, iron, aluminum and manganese wherein the atomic ratio of copper to iron is at least 1:1. In another embodiment, the invention relates to a process for preparing such hydrogenation catalysts which comprises the steps of(A) preparing a first aqueous solution containing at least one water-soluble copper salt, at least one water-soluble iron salt, and at least one water-soluble manganese salt;(B) preparing a second solution containing at least one water-soluble basic aluminum salt and at least one alkaline precipitating agent;(C) mixing the first and second solutions wherein an insoluble solid is formed;(D) recovering the soluble solid; and(E) calcining the recovered solid to form the desired catalyst.The invention also relates to a process for hydrogenating aldehydes, ketones, carboxylic acids and carboxylic acid esters.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: September 7, 1993
    Assignee: Engelhard Corporation
    Inventors: Brian D. Roberts, Deepak S. Thakur, Thomas J. Sullivan, Robert A. Plundo
  • Patent number: 5155086
    Abstract: In one embodiment, the invention relates to a catalyst in powdered form which comprises a major amount of the oxides of copper and zinc, and a minor amount of aluminum oxide wherein the pore volume of pores of said catalysts having a diameter between about 120 and about 1000 .ANG. is at least about 40% of the total pore volume. In another embodiment, the invention relates to a process for preparing hydrogenation catalysts comprising the oxides of copper, zinc and aluminum which comprises the steps of(A) preparing a first aqueous solution containing at least one water-soluble copper salt and at least one water-soluble zinc salt;(B) preparing a second solution containing at least one water-soluble basic aluminum salt and at least one alkaline precipitating agent;(C) mixing the first and second solutions whereby an insoluble solid is formed;(D) recovering the insoluble solid.
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: October 13, 1992
    Assignee: Engelhard Corporation
    Inventors: Deepak S. Thakur, Brian D. Roberts, Thomas J. Sullivan, Anita L. Vichek
  • Patent number: 5134108
    Abstract: This hydrogenation catalyst comprises a major amount of the oxides of a first metal selected from copper or zinc, a second metal selected from chromium, molybdenum, tungsten and vanadium, and optionally, a minor amount of the oxide of a promoter metal selected from the group consisting of manganese, barium, zinc, nickel, cobalt, cadmium, iron and any combination thereof provided that the promotor metal is not zinc if the first metal is zinc. The average particle diameter of the powder is from about 6 to about 20 microns; and the particle surface area is from about 20 to about 70 m.sup.2 /g.
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: July 28, 1992
    Assignee: Engelhard Corporation
    Inventors: Deepak S. Thakur, Eugene Palka, Thomas J. Sullivan, Eugene Nebesh, Brian D. Roberts