Patents Assigned to Imperial Chemical Industries PLC
  • Emulsions
    Patent number: 6613817
    Abstract: An aqueous emulsion of a resin which includes as an emulsifier at least one compound of the formula (I): R1—CO—NR2R3 wherein R1 is a polyunsaturated hydrocarbyl group; R2 is a polyhydroxy hydrocarbyl radical; and R3 is hydrogen, a hydrocarbyl, particularly alkyl, group, a hydroxy or hydrocarbyloxy substituted hydrocarbyl, particularly hydroxy or alkoxy substituted alkyl, or is a group defined for R2. The resin is preferably an alkyd resin, and the emulsions are particularly useful for incorporating into paints.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: September 2, 2003
    Assignee: Imperial Chemical Industries PLC
    Inventors: Alain Bouvy, Hanamanthsa Shankarsa Bevinakatti
  • Surfactants
    Publication number: 20030153787
    Abstract: Compounds of the formula R2.[(AO)n.R3]m, where R2 is a residue of a group having at least m active hydrogen atoms derived from hydroxyl and/or amino and/or amido groups, AO is alkyleneoxy, n is 2 to 200; R3 includes residue(s) of alkenyl succinic acids and optionally other acids, and m is 2 to 10, but when m is 2 there are other restrictions in the definitions, are disclosed as useful thickeners and/or dispersants in aqueous systems. The use of such materials as thickeners is also disclosed.
    Type: Application
    Filed: December 10, 2002
    Publication date: August 14, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventors: Neil Michael Carpenter, Steven John Anderson, Richard Robert Tenore, Peter Glynn Hibbert
  • Cleaning surfaces
    Publication number: 20030148905
    Abstract: Substrates are cleaned by contacting the substrate with a cleaning composition, particularly an aqueous composition, including at least one compound of the formula (I): (R2)p—Ph—(CH2)m—COO—(AO)n—R1 (I) where R1, AO, n, M, Ph, R2 and p have defined meanings, particularly to give alkyl benzoates. Such compounds provide useful solvency to the cleaning formulations while having a relatively benign environmental profile.
    Type: Application
    Filed: November 25, 2002
    Publication date: August 7, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventor: Harold Russell Motson
  • Aldol condensation reaction and catalyst therefor
    Publication number: 20030144556
    Abstract: Production of unsaturated ketones by the aldol condensation of ketones such as acetone or methyl ethyl ketone by contacting the ketone in the vapour phase with a particulate catalyst comprising at least one basic alkali metal compound supported on an inert substrate at a temperature above 175° C. The produce ketones may be hydrogenated to form saturated ketones or alcohols.
    Type: Application
    Filed: November 18, 2002
    Publication date: July 31, 2003
    Applicant: Imperial Chemical Industries PLC.
    Inventor: Gordon J. Kelly
  • Addition polymerization in a homogeneous reaction mixture
    Patent number: 6593439
    Abstract: A method of producing a polymer comprises the steps of forming a heterogeneous reaction mixture comprising at least one addition polymerizable monomer, a supercritical fluid, and a stabilizer, wherein the stabilizer comprises a chain which is soluble in the supercritical fluid and functional end-group which is not polymerizable by a free-radical mechanism, and polymerizing said at least one monomer in the reaction mixture. In a preferred system for polymerizing acrylic monomers, the fluid comprises supercritical carbon dioxide and the stabilizer comprises an acid-functionalized perfluoropolyether.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: July 15, 2003
    Assignee: Imperial Chemical Industries Plc
    Inventors: Paul Christian, Steven Melvyn Howdle, Derek John Irvine
  • Aqueous dispersion of addition polymer particles
    Publication number: 20030130408
    Abstract: An aqueous dispersion of particles of an addition polymer of ethylenically unsaturated monomers which dispersion also contains a stabilising copolymer of
    Type: Application
    Filed: September 25, 2001
    Publication date: July 10, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventors: Neal St. John Williams, Stephen Barry Downing
  • Drilling fluids and method of drilling
    Publication number: 20030130132
    Abstract: Drilling, completing or workover of a well, particularly an oil and/or gas well, is carried out using a fluid which includes a continuous phase including an ester of the formula (I): (R2)p-Ph-(CH2)m—COO-(AO)n—R1 where R1, AO, n, m, Ph, R2 and p have defined meanings and particularly where the esters are alkyl or alkenyl benzoate esters. These esters are beneficial by having a range of viscosities, especially extending to low viscosities, and attractive toxicological and environmental profiles for use in drilling, completion and/or workover of wells.
    Type: Application
    Filed: November 14, 2002
    Publication date: July 10, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventors: Neil Grainger, Terence Cox, Edward George Scovell
  • Aldol condensation
    Patent number: 6586636
    Abstract: Production of unsaturated aldehydes by the aldol condensation of straight chain aldehydes, e.g. butyraldehyde, by contacting the aldehyde in the vapour phase with a particulate catalyst comprising at least one basic alkali metal compound supported on an inert substrate at a temperature above 175° C.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: July 1, 2003
    Assignee: Imperial Chemical Industries PLC
    Inventor: Gordon James Kelly
  • Homogenous agrochemical concentrates and agrochemical formulations obtained therefrom
    Patent number: 6586366
    Abstract: Oil based emulsifiable concentrates include (a) at least one oil component; (b) at least one surfactant hydrocarboxyl saccharide, particularly a surfactant hydrocarbyl polysaccharide (HPS); and (c) at least one other non-ionic surfactant. The concentrates are typically homogeneous for at least 24 hours and emulsify readily on dilution into water. The concentrates preferably also include: (d) an antifoaming agent, especially a polysiloxane; and/or (e) at least one chemical agent specific to the intended use of the composition, such as an agrochemical, especially a herbicide, or a metal corrosion inhibitor. The concentrates can be diluted readily in water to give emulsion formulations which can be sprayed onto substrates, e.g. when the chemical agent is a herbicide, onto weeds.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: July 1, 2003
    Assignee: Imperial Chemical Industries Plc
    Inventors: Mahroussa Auda, Dirk Hoorne, Lodewijk Maria Rogiers
  • Dispersion of pigments
    Patent number: 6582505
    Abstract: Aqueous pigment dispersions include branched alcohol alkoxylates of formula (I) as set forth in the specification and claims. The total dispersant used may include at least 40% by weight of the branched alcohol alkoxylate. The pigment dispersion is effective for a wide variety of pigments, including, inorganic pigments, organic pigments and carbon black. The pigment dispersions are useful, for example, in paints and other surface coatings.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: June 24, 2003
    Assignee: Imperial Chemical Industries PLC
    Inventors: Alain Bouvy, Luc Alexander Jozef Mattheus
  • Synthetic detergent formulations
    Publication number: 20030114346
    Abstract: Synthetic detergent formulations are made by spray drying an aqueous dispersion or emulsion of a synthetic detergent and a hydrophobic plasticiser and optionally a filler to pr duce a particulate product. In particular the synthetic detergent includes mild surfactants such a fatty isethionate or sulphosuccinate surfactants. By spray drying the emulsion or dispersion, a particularly uniform product is made which can readily be formed into synthetic detergent bars which may include soap to form combination bar products (combi-bars).
    Type: Application
    Filed: October 8, 2002
    Publication date: June 19, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventor: Paul Clignet
  • Density measurement method and apparatus therefor
    Publication number: 20030112920
    Abstract: The density of a mass of material is determined by passing radiation from a source, such as Co-60, whose radiation spectrum has a characteristic energy level above 700 keV through the mass of material to a detector that can detect radiation at a energy level, or range of energy levels, within the range 80 to 700 keV. By determining the density of the mass of material at different locations, the density profile of the mass of material can be assessed.
    Type: Application
    Filed: November 12, 2002
    Publication date: June 19, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventor: Lee M. Robins
  • Block copolyester
    Publication number: 20030105273
    Abstract: A block copolyester comprises a hard segment and a soft segment, wherein the melting point of the copolyester is greater than or equal to 200° C., and the glass transition temperature of the copolyester is less than or equal to −40° C. The hard segment is preferably polyethylene terephthalate, polybutylene terephthalate, or polyethylene naphthalate. The soft segment is preferably formed from at least one dimer fatty acid and/or dimer fatty diol and/or equivalent thereof. The copolyester is especially suitable for use in automotive parts, particularly where thermal stability is required.
    Type: Application
    Filed: December 31, 2002
    Publication date: June 5, 2003
    Applicant: Imperial Chemical Industries Plc
    Inventors: Eric Appelman, Jeffrey Thomas Carter
  • Isocyanate-terminated prepolymers
    Patent number: 6569913
    Abstract: Novel isocyanate-terminated prepolymers and a process for making flexible polyurethane foams thereof. The prepolymers are made from polyether polyols having a high equivalent weight.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: May 27, 2003
    Assignee: Imperial Chemical Industries PLC
    Inventors: Eric Huygens, Pierre Gilbert Henri Jean Chaffanjon, Shpresa Kotaji, Peter Frans Eugeen Maria Stroobants
  • Agrochemical surfactant compositions
    Publication number: 20030087760
    Abstract: Aqueous agrochemical compositions of dispersed phase agrochemicals, particularly phytoactives, such as growth regulators and/or herbicides, or pesticides, such as insecticides, fungicides, or acaricides, include as adjuvant a branched primary alcohol alkoxylate of the formula (I): [CH3.(CH2)n][CH3.(ch2)m].CH.[(CH2)p.O.(AO)q.H] where n, m, p, AO and q have defined meanings are disclosed. In the compositions, the agrochemical can be present as dispersible granules or dissolved or dispersed in an oil. The compositions can be concentrates or diluted sprayable compositions. A particularly convenient form of composition is as dispersible granules.
    Type: Application
    Filed: June 18, 2002
    Publication date: May 8, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventors: Steven Irene Jozef Reekmans, Mahroussa Auda, Frank Dirk Jozef Hartmann
  • Absorbents
    Patent number: 6558641
    Abstract: Shaped absorbent units suitable for use as chloride absorbents comprising a calcined intimate mixture of an alkali or alkaline earth, zinc and aluminium components having an alkali or alkaline earth mental to zinc atomic ratio in the range 0.5x to 2.5x and an alkali or alkaline earth metal to aluminium atomic ratio in the range 0.5x to 1.5x, where x is the valency of the alkali or alkaline earth metal, and containing from 5 to 20% by weight of a binder. Preferred compositions are made from sodium carbonate or bicarbonate, basic zinc carbonate or zinc oxide and alumina or hydrated alumina.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: May 6, 2003
    Assignee: Imperial Chemical Industries Plc
    Inventors: Stephen Bailey, Brian P Williams, Sebastien Grizard, Robert Wilson, Mark S Doran
  • Maintenance of oil production and refining equipment
    Publication number: 20030079879
    Abstract: The deposition of asphaltenes and/or petroleum waxes can be inhibited and/or asphaltenes and/or petroleum waxes can be removed from a well, pipe or vessel by contacting the asphaltene and/or petroleum wax or the well pipe or vessel adjacent a location where deposition of asphaltene and/or petroleum wax is expected, with a solvent including at least one compound of the formula (I): R1—(AO)n—OOC—(CH2)m—Ph—(R2)p where R1 is a C1 to C20 hydrocarbyl group; AO is an alkyleneoxy group and may vary along the (poly)alkyleneoxy chain; n is 1 or from 1 to 100; m is 0, 1 or 2; and Ph is a phenyl group, which may be substituted with groups (R2)p where each R2 is independently a C1 to C4 alkyl or alkoxy group; and p is 0, 1 or 2, and subsequently removing the solvent with softened, dissolved or dipersed asphaltenes and/or petroleum waxes from the well, pipe or vessel.
    Type: Application
    Filed: September 30, 2002
    Publication date: May 1, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventors: Neil Grainger, Edward George Scovell, Terence Cox
  • Receiver sheet
    Patent number: 6555206
    Abstract: A transparent receiver sheet adapted to receive a color toner image by an electrophotographic or electrostatic process and suitable for use in an overhead projector, comprises a toner acceptance layer that comprises a resin condensation product of toluene sulphonamide. The resin is conveniently a condensation product of toluene sulphonamide and formaldehyde. One or more secondary polymers are preferably included in an amount in the range 0-60% weight.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: April 29, 2003
    Assignee: Imperial Chemical Industries PLC
    Inventors: Richard Anthony Hann, Paul Andrew Edwards, Mark Pett, Godfrey William Moore, Gary Wayne Morrison
  • Process for rigid polyurethane foams
    Publication number: 20030065046
    Abstract: Process for the preparation of open celled rigid polyurethane or urethane-modified polyisocyanurate foams by reaction of a polyfunctional isocyanate-reactive composition with a polyisocyanate composition comprising a prepolymer of NCO-value 21-30% based on a high molecular weight oxyethylene-containing polyol.
    Type: Application
    Filed: June 27, 2002
    Publication date: April 3, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventor: Alan James Hamilton
  • Method of oil/gas well stimulation
    Publication number: 20030060375
    Abstract: Stimulation, particularly fracturing or acidising, of hydrocarbon wells having bores leading to hydrocarbon bearing uses a fluid including a continuous phase of or including a compound of the formula (I): (R2)p—Ph—(CH2)m—COO—(AO)n—R1 where R1, AO, n, m, Ph, R2 and p have defined meanings and particularly where the esters are alkyl or alkenyl benzoate esters. These esters are beneficial by having a range of viscosities, especially extending to low viscosities. and attractive toxicological and environmental profiles for use in well stimulation.
    Type: Application
    Filed: November 14, 2002
    Publication date: March 27, 2003
    Applicant: Imperial Chemical Industries PLC
    Inventors: Neil Grainger, Terence Cox, Edward George Scovell