Patents by Inventor Kolazi S. Narayanan

Kolazi S. Narayanan 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).

  • Publication number: 20040024099
    Abstract: This invention relates to an improved aqueous suspension concentrate for water insoluble chemicals comprising a mixture of an anionic suspension agent and a homo- and/or a co-polymer of a heterocyclic vinyl lactam combined in a mole ratio of between about 0.1:1 and about 10:1.
    Type: Application
    Filed: July 31, 2002
    Publication date: February 5, 2004
    Applicant: ISP INVESTMENTS INC.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon
  • Patent number: 6624242
    Abstract: An aqueous dispersion of (a) 0.1-40% by wt. of a low molecular weight, low melting point, water-insoluble polymer in which the polymer particles have a size <10 microns, and (b) 0.001-30% by wt. of an anionic emulsifier.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: September 23, 2003
    Assignee: ISP Investments Inc.
    Inventors: James F. Curry, Kolazi S. Narayanan, Ronald H. Goehner, Jr., Domingo I. Jon, George B. Beestman
  • Publication number: 20030165554
    Abstract: This invention relates to a biocidal composition resistant to the formation of a gel and to the method for stabilizing a concentrate containing, in addition to the biocide, a carbodiimide, a lipophilic/hydrophilic emulsifier mixture having a HLB of 6 to 20 and optionally an oil and/or an alkoxylated ester of a polyhydroxylated compound, by adding to the concentrate an effective anti-gelling amount of an anti-gelling agent selected from the group of an inorganic oxide, a epoxidized naturally occurring or synthetic vegetable oil and an epoxylated ester of a saturated or unsaturated C6 to C18 aliphatic acid optionally containing hydroxy substitution and mixtures of the foregoing anti-gelling agents.
    Type: Application
    Filed: February 15, 2002
    Publication date: September 4, 2003
    Applicant: ISP INVESTMENTS INC.
    Inventors: Kolazi S. Narayanan, Domingo Jon, George B. Beestman
  • Publication number: 20030119956
    Abstract: This invention relates to the stabilization of o/w microemulsions containing an active aza biocide by addition of an alkaline, water soluble buffering agent in an amount sufficient to adjust the pH to between 6 and 14 and to the use of said o/w microemulsions to control infestations and/or infections when topically applied to livestock or domestic animals.
    Type: Application
    Filed: December 18, 2001
    Publication date: June 26, 2003
    Applicant: ISP INVESTMENTS INC.
    Inventors: Kolazi S. Narayanan, Domingo Jon
  • Patent number: 6541516
    Abstract: Clear, high load water miscible emulsions of pyrethroid insecticides or triazole fungicides, as a single phase, translocatable composition which is free of xylene and alkylphenol ethoxylate surfactants and concentrate matrix for the active agricultural component at between about 5 and about 25 wt. % active concentration.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: April 1, 2003
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon
  • Publication number: 20030060495
    Abstract: Clear, high load water miscible emulsions of pyrethroid insecticides or triazole fungicides, as a single phase, translocatable composition which is free of xylene and alkylphenol ethoxylate surfactants and concentrate matrix for the active agricultural component at between about 5 and about 25 wt. % active concentration.
    Type: Application
    Filed: September 14, 2001
    Publication date: March 27, 2003
    Applicant: ISP INVESTMENTS INC.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon
  • Publication number: 20030040569
    Abstract: An aqueous dispersion of (a) 0.1-40% by wt. of a low molecular weight, low melting point, water-insoluble polymer in which the polymer particles have a size <10 microns, and (b) 0.001-30% by wt. of an anionic emulsifier.
    Type: Application
    Filed: August 8, 2001
    Publication date: February 27, 2003
    Applicant: ISP INVESTMENTS INC.
    Inventors: James F. Curry, Kolazi S. Narayanan, Ronald H. Goehner, Domingo I. Jon, George B. Beestman
  • Patent number: 6506396
    Abstract: A stable medicated animal care formulation including, by weight; (a) 0.1-10% of an active agricultural ingredient, of an animal care and/or veterinary reagents, (b) 0.0002-40% of a microemulsion concentrate including: (i) 0-10% of a castor oil ethoxylate or tristyryl phenol ethoxylate, (ii) 0-1% of an ethoxylated phosphoric acid as pH buffer, (iii) 0.0002-4% of a N—C8-C18 alkyl pyrrolidone and (iv) 0-6% of a N—C1-C4 alkyl pyrrolidone, (c) a surfactant with shampoo properties, and (d) water, wherein (c)+(d) is 50-99.4%.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: January 14, 2003
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon, Donald I. Prettypaul
  • Patent number: 6479438
    Abstract: This invention relates to a biocidal composition resistant to the formation of a gel and to the method for stabilizing a concentrate containing, in addition to the biocide, a carbodiimide in monomeric or polymeric form or a mixture thereof and a lipophilic/hydrophilic emulsifier mixture having a HLB of at least 7 comprising an oil and an alkoxylated ester of a polyhydroxylated compound, by adding to the concentrate between about 0.5 and about 15 wt. % of a saturated, aliphatic compound having a molecular weight of less than 400, selected from the group consisting of a polyhydroxyated alkanol and/or a polyhydroxylated ketone.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: November 12, 2002
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon
  • Publication number: 20020128153
    Abstract: This invention relates to a biocidal composition resistant to the formation of a gel and to the method for stabilizing a concentrate containing, in addition to the biocide, a carbodiimide in monomeric or polymeric form or a mixture thereof and a lipophilic/hydrophilic emulsifier mixture having a HLB of at least 7 comprising an oil and an alkoxylated ester of a polyhydroxylated compound, by adding to the concentrate between about 0.5 and about 15 wt. % of a saturated, aliphatic compound having a molecular weight of less than 400, selected from the group consisting of a polyhydroxyated alkanol and/or a polyhydroxylated ketone.
    Type: Application
    Filed: January 4, 2001
    Publication date: September 12, 2002
    Applicant: ISP INVESTMENTS INC.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon
  • Patent number: 6355675
    Abstract: A clear emulsifiable concentrate of a water-insoluble fungicide, without nonylphenol ethoxylate, that can be diluted in water to produce an aqueous ready-to-use formulation free from crystal formation or decomposition.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: March 12, 2002
    Assignee: ISP Investments Inc.
    Inventors: George B. Beestman, Kolazi S. Narayanan
  • Patent number: 6303131
    Abstract: A composition comprising a long-chain alkylpyrrolidone, a surfactant, and film-forming water-soluble polymer wherein the amounts of the components are such that on dilution with water, a clear liquid is formed. The composition may be used as a medium for agriculturally active ingredients as well as other active ingredients which are suitable for film formation, e.g., wood protectants, and the like.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: October 16, 2001
    Assignee: ISP Investments Inc.
    Inventor: Kolazi S. Narayanan
  • Patent number: 6255350
    Abstract: This invention relates to a single phase emulsifiable concentrate composition comprising (a) between about 0.05 and about 25 wt. % of a biologically, fungicidally and/or herbicidally active aza compound; (b) between about 2 and about 40 wt. % of a lactam selected from the group of N-methyl pyrrolidone, N-methyl caprolactam, a C8 to C18 alkyl pyrrolidone, a C8 to C18 caprolactam and a mixture thereof; (c) between about 2 and about 20 wt. % of a moisture scavenging agent selected from the group consisting of a liquid molecularly hindered carbodiimide, a molecular sieve or a mixture thereof and (d) between about 10 and about 80 wt. % of a mixture of at least two non-ionic surfactants having an overall hydrophilic/lipophilic balance (HLB) above 7. The invention also relates to the stable oil-in-water (o/w) miniemulsions prepared from the above by dilution to between about 40 and about 99.99 wt. % water for a “pour on”, dip or spray solution useful in the treatment of animals or plants.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: July 3, 2001
    Assignee: ISP Investments Inc.
    Inventors: Domingo I. Jon, Donald I. Prettypaul, Matthew J. Benning, Kolazi S. Narayanan, Robert M. Ianniello
  • Patent number: 6251416
    Abstract: A clear, one-phase, efficacious aqueous microemulsion of an agriculturally active pyrethroid insecticide for delivery at a high loading of active is provided herein which is free of nonylphenol ethoxylate.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: June 26, 2001
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo Jon, Robert M. Ianniello, Donald Prettypaul
  • Patent number: 6197098
    Abstract: The invention relates to a fast drying biocidal composition having enhanced penetration for the treatment and preservation of wood, leather and similar natural products which comprises: A. between about 10 and about 50 wt. % of a concentrate comprising a petroleum distillate boiling above 40° C. and containing (a) between about 0.5 and about 7 wt. % of an active nitrogen- or sulfur-containing biocide and (b) between about 20 and about 55 wt. % of a solvent for said active biocide selected from the group consisting of (i) butyrolactone containing 0 to 85 wt. % N-methyl pyrrolidone and/or 0 to 85 wt. % of a C2 to C4 aliphatic alcohol and (ii) N-methyl pyrrolidone containing 0 to 85 wt. % of a C2 to C4 alcohol and B. from about 90 to about 50 wt. % of a C2to C4 aliphatic alcohol containing 0 to 85 wt. % of mineral spirit as a diluent to provide a sprayable composition and to the process for treating a wood or leather substrate with said biocidal composition.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: March 6, 2001
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon, Donald Prettypaul
  • Patent number: 6187715
    Abstract: Clear, high load water miscible emulsions of quinoxalinyl ester herbicides, particularly quizalofop-p-ethyl, as a single phase, translocatable composition which is free of xylene and alkylphenol ethoxylate surfactants and concentrate matrix for the active quinoxalinyl ester component at between about 9 and about 25 wt. % active concentration.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: February 13, 2001
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo I. Jon, Donald I. Prettypaul
  • Patent number: 6156803
    Abstract: What is described is an aqueous, flowable suspension concentrate of an agriculturally active chemical having excellent dilution and storage stability, and sprayable aqueous use formulation thereof, containing partially neutralized alkyl vinyl ether-maleic acid half-ester copolymers as dispersing agents therein.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: December 5, 2000
    Assignee: ISP Investments Inc
    Inventors: James F. Curry, Ronald H. Goehner, Jr., Kolazi S. Narayanan, Domingo Jon
  • Patent number: 6124415
    Abstract: What is described herein is a crosslinked polyvinylpyrrolidone (PVPP) copolymer of vinyl pyrrolidone (VP) and monomer derived from 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP).
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: September 26, 2000
    Assignee: ISP Investment Inc.
    Inventors: Edward G. Malawer, Victor Kabanov, Kolazi S. Narayanan, Michael A. Tallon, Susan Y. Tseng, Philip F. Wolf
  • Patent number: 6096345
    Abstract: This invention relates to a composition containing an active chemical and a particulate polysaccharide matrix having improved water dispersibility and dispersion stability in aqueous solutions by the incorporation of a copolymer of a N-vinyl lactam monomer and a hydrophobic comonomer. The improved properties of the matrix promotes its use as a dispersing agent in a wide variety of formulations where soil and skin substantivity or sustained release of the active chemical is required, as in pharmaceutical, pre- and post-emergent agrochemical and cosmetic formulations. The invention also pertains to the preparation and use of formulations based on the use of polysaccharide/copolymer matrix of this invention.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: August 1, 2000
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Ronald H. Goehner, Jr., James F. Curry
  • Patent number: 6045816
    Abstract: A clear, one-phase, efficacious aqueous microemulsion of an agriculturally active pyrethroid insecticide for delivery at a high loading of active is provided herein which is free of nonylphenol ethoxylate.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: April 4, 2000
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo Jon, Robert M. Ianniello, Donald Prettypaul