Patents by Inventor Peter F. Nicks

Peter F. Nicks 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: 5422269
    Abstract: Residual levels of monomeric ethylenically unsaturated carboxylic acid esters such as alkyl acrylate and methacrylates, especially ethyl, butyl and "iso-hexyl" acrylates and methacrylates, in surfactant stabilised dispersions of polymers of the monomer(s) such as latices or products formulated from latices, are reduced by treatment with a hydrolytic enzyme, particularly a lipase or esterase. The treatment reduces and can obviate the perceived bad odour of the dispersions arising from the presence of the monomers.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: June 6, 1995
    Assignee: Imperial Chemical Industries plc
    Inventors: Peter F. Nicks, Mark A. Carber, Julian M. Relton
  • Patent number: 5264482
    Abstract: A water-based autoxidizable coating composition, especially a gloss or partial gloss coating composition (e.g. paint, varnish, woodstain or timber preservative) suitable for application at ambient temperatures which comprises water, preferably organic cosolvent and a partially esterified carboxylic acid film-forming copolymer at least partially neutralized by monovalent cations wherein the copolymer contains added 3-allyloxy-2-hydroxypropyl groups or certain analogues derived from addition of allyl glycidyl ether or certain of its analogues to carboxylic acid groups, in a copolymeric backbone portion derivable from a prepolymer of weight average molecular weight less than 30 000. The partially esterified copolymer has an acid value of 25 to 60 and preferably a dynamic solution viscosity of 1 to 500 Pa.sec measured in 1-methoxy-2-hydroxy propane by oscillatory parallel plate rheometer. The coatings lap well, dry quickly and achieve acceptable water resistance.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: November 23, 1993
    Assignee: The Glidden Company
    Inventors: Philip L. Taylor, Julian J. Gosling, Charles W. A. Bromley, Peter F. Nicks
  • Patent number: 5164449
    Abstract: A film-forming thixotropic binder system for imparting sag resistance to coating compositions comprising the product obtained by reacting an isocyanate preferably having a molecular weight of at least 400 and comprising more than two isocyanate groups (preferably an isocyanurate trimer obtained from di-isocyanates) with a polyamine and optionally a monoamine in the presence of a film-forming carboxylic acid copolymer having an acid value of at least 25 mg KOH/g copolymer. The binder composition may be neutralized by alkali to produce a salt soluble in an aqueous coating composition. Also detailed processes for making the binder system.
    Type: Grant
    Filed: October 23, 1990
    Date of Patent: November 17, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventor: Peter F. Nicks
  • Patent number: 4552908
    Abstract: Aqueous coating compositions comprise a polymer of defined molecular weight which contains either anionizable or cationizable groups and also certain defined non-ionizable water-soluble moieties (derived for example from polyethylene glycol), water, optionally an organic coupling solvent and optionally either base or acid. The presence of regularly distributed non-ionizable water-soluble moieties enables the selection of aqueous polymer solutions which, on dilution, show a regular relationship between viscosity and solids content. The polymer solutions are useful in the formulation of coating compositions, particularly paints.
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: November 12, 1985
    Assignee: Imperial Chemical Industries PLC
    Inventors: Peter F. Nicks, Gillian A. Young
  • Patent number: 4294887
    Abstract: Coating films are prepared by exposing to oxygen, particularly at ambient temperatures, a composition comprising (a) a film-forming material comprising moieties of an ethylenically unsaturated fatty acid containing at least two ethylenically unsaturated groups and (b) a strong acid which is fully dissociated in water. Suitable film-forming materials are oil-modified alkyd resins and suitable acids are alkyl/aryl sulphonic acids. Curable compositions and polymeric products, optionally modified with non-autoxidisable polymerizable materials, are also provided.
    Type: Grant
    Filed: September 18, 1979
    Date of Patent: October 13, 1981
    Assignee: Imperial Chemical Industries Limited
    Inventor: Peter F. Nicks
  • Patent number: 4138376
    Abstract: Coating compositions comprise a blend of(1) a dispersion in an organic liquid comprising a major proportion of aliphatic hydrocarbon of particles of a polyisocyanate or adduct thereof insoluble in the organic liquid the dispersion being stabilized by a defined polymeric stabilizer and,(2) a solution in a solvent comprising a major proportion of aliphatic hydrocarbon of a material containing groups which are reactive with isocyanate groups contained in or yielded by the polyisocyanate of the dispersion.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: February 6, 1979
    Assignee: Imperial Chemical Industries Limited
    Inventor: Peter F. Nicks