Patents by Inventor Nadhamuni G. Nerella

Nadhamuni G. Nerella 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).

  • Tablet coating composition
    Patent number: 6620426
    Abstract: A tablet coating composition including a mixture of (a) sodium alginate and (b) a polyvinylpyrrolidone-vinyl acetate copolymer, and, optionally, (c) hydroxypropylmethyl cellulose, and/or hydroxypropyl cellulose.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: September 16, 2003
    Assignee: ISP Investments Inc.
    Inventors: Antonio Moroni, Nadhamuni G. Nerella, William Drefko
  • Synergistic filler composition
    Patent number: 6524617
    Abstract: A synergistic filler composition for making pharmaceutical tablets of sufficient tablet hardness at low compression force, and low friability, to preclude damage to the tablet upon further processing, and without requiring a substantial increase in the size of the tablet, comprising (a) a PVP-VA copolymer and (b) a microcrystalline cellulose.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: February 25, 2003
    Assignee: ISP Investments Inc.
    Inventors: Antonio Moroni, Nadhamuni G. Nerella, Gregory Du Browny
  • SYNERGISTIC FILLER COMPOSITION
    Publication number: 20030031708
    Abstract: A synergistic filler composition for making pharmaceutical tablets of sufficient tablet hardness at low compression force, and low friability, to preclude damage to the tablet upon further processing, and without requiring a substantial increase in the size of the tablet, comprising (a) a PVP-VA copolymer and (b) a microcrystalline cellulose.
    Type: Application
    Filed: July 25, 2001
    Publication date: February 13, 2003
    Applicant: ISP INVESTMENTS INC.
    Inventors: Antonio Moroni, Nadhamuni G. Nerella, Gregory Du Browny
  • Tablet coating composition
    Publication number: 20020192284
    Abstract: A tablet coating composition including a mixture of (a) sodium alginate and (b) a polyvinylpyrrolidone-vinyl acetate copolymer, and, optionally, (c) hydroxypropylmethyl cellulose, and/or hydroxypropyl cellulose.
    Type: Application
    Filed: June 5, 2001
    Publication date: December 19, 2002
    Applicant: ISP INVESTMENTS INC.
    Inventors: Antonio Moroni, Nadhamuni G. Nerella, William Drefko
  • Controlled-release, drug-delivery tableted composition including a complex between poly(maleic diacid-alkyl vinyl ether) and polyvinylpyrrolidone
    Patent number: 6129931
    Abstract: A pH-dependent, controlled-release, drug delivery composition is described herein which includes:(a) a complex between poly(maleic diacid-alkyl vinyl ether) and polyvinylpyrrolidone, or their equivalents, and(b) an effective amount of a pharmaceutical medicament.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: October 10, 2000
    Assignee: ISP Investments Inc.
    Inventors: Nadhamuni G. Nerella, Herbert W. Ulmer, Sibu Chakrabarti, Gregory Du Browny
  • Controlled-release, drug-delivery composition
    Patent number: 6048522
    Abstract: A controlled-release, drug-delivery, emulsion composition for topical application comprising (a) the reaction product of the non-aqueous, heterogeneous polymerization of a reaction mixture of about 5-70%, preferably 10-30%, by weight, of a vinyl monomer in an oil as solvent, and a free radical initiator, optionally in the presence of a crosslinking agent and/or a surfactant, wherein the oil solvent is present in an amount sufficient to keep the resultant polymer in a stirrable state throughout the polymerization, (b) water, (c) a surfactant and (d) a pharmaceutical medicament.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: April 11, 2000
    Assignee: ISP Investments Inc.
    Inventors: Krystyna Plochocka, Jui-Chang Chuang, Jenn S. Shih, Anil Menon, Nadhamuni G. Nerella
  • Controlled release, drug-delivery tableted composition including a polymer of a vinyl amide, (meth)acrylic acid, a long chain alkyl (meth)acrylate and a lower alkyl (meth)acrylate
    Patent number: 5919484
    Abstract: A controlled release, drug-delivery tableted composition comprising, by weight, an uncrosslinked or crosslinked polymer of (a) about 5-40% of a vinyl amide, (b) about 10-70% of (meth)acrylic acid, (c) about 5-40% of a long chain alkyl (meth)acrylate or acrylamide, and (d) about 0-60% of a lower alkyl (meth)acrylate, and a pharmaceutical medicament.
    Type: Grant
    Filed: January 15, 1998
    Date of Patent: July 6, 1999
    Assignee: ISP Investments Inc.
    Inventors: Jenn S. Shih, Nadhamuni G. Nerella, Anil Menon, Sibu Chakrabarti