Patents Represented by Attorney Robert J. Blanke

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  • Preparation of polyesters using salts of substituted quaternary ammonium bases
    Patent number: 4028307
    Abstract: Novel carboxylic acid salts of substituted quaternary ammonium bases and processes for the production of polyesters by direct esterification of a glycol and a dicarboxylic acid involving the additions of such salts to the esterification reaction.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: June 7, 1977
    Assignee: Fiber Industries, Inc.
    Inventor: George R. Ure
  • Synthetic fibers of enhanced processability
    Patent number: 3997450
    Abstract: Synthetic fibers, such as filaments and yarns, of enhanced processability by virtue of a non reactive finish thereon including a fatty acid ester or mineral, animal or vegetable oil lubricant; an end capped emulsifier of a condensate of a long chain ester, alcohol, amide and/or a hydroxy-terminated, alkyl-substituted aryl; and, if desired, a small but effective amount of a salt of a dialkyl sulfosuccinic acid.
    Type: Grant
    Filed: March 15, 1974
    Date of Patent: December 14, 1976
    Assignee: Fiber Industries, Inc.
    Inventor: William G. Steinmiller
  • Apparatus for fluid treatment of yarn
    Patent number: 3994056
    Abstract: A fluid yarn processing jet of trilaminar construction wherein a recessed discontinuous inner lamina forms a yarn processing duct which has at least one fluid entry port thereto and wherein an outer lamina is readily removable to facilitate the placement of yarn within the duct. All exterior edges in the vicinity of the duct which are resultant from the recessing of the inner laminar are rounded so as to prevent yarn damage.
    Type: Grant
    Filed: July 10, 1974
    Date of Patent: November 30, 1976
    Assignee: Fiber Industries, Inc.
    Inventor: Fredrick A. Ethridge
  • Yarn crimping process and apparatus
    Patent number: 3982310
    Abstract: Process and apparatus for controlling a pad of yarn in the stuffing chamber of a steam jet crimper by means of mechanical restricting means and a counterpressure of cold fluid.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: September 28, 1976
    Assignee: Imperial Chemical Industries
    Inventors: David Ernest Beck, Derek Walter Thom
  • Textile fluid crimping process and apparatus
    Patent number: 3977059
    Abstract: Process and apparatus for crimping filamentary material, the process comprising forcing hot fluid entrained yarn into a crimping chamber in one direction, forcing cold fluid into the crimping chamber from an opposite direction and exhausting both fluids from the crimping chamber either radially and/or axially. The apparatus employs a crimping chamber having axially aligned entrance and exit portions and means within the crimping chamber for radially exhausting fluids.
    Type: Grant
    Filed: September 13, 1974
    Date of Patent: August 31, 1976
    Assignee: Fiber Industries, Inc.
    Inventors: Fredrick Allen Ethridge, Michael Paul Taylor, Scott Winfield Thompson
  • Setting apparatus
    Patent number: 3975807
    Abstract: An apparatus for setting fiber crimp by steam in which a crimped filamentary tow is discharged from the tow exit portion of a stuffer-box crimper into an elongated tube sealed to said exit portion and control means for simultaneously regulating steam pressure and the discharge of tow from the tube depending upon the pressure of steam therein.
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: August 24, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Donald Bramley, Gerald Thomas Davies, David Watson
  • Crimping gears and process
    Patent number: 3964141
    Abstract: Integral structure crimping gears having timing gear teeth and crimping gear teeth of the same outside diameter, the tooth thickness of the crimping teeth being less than the tooth thickness of the timing teeth at any given diameter of the structure.
    Type: Grant
    Filed: October 9, 1974
    Date of Patent: June 22, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Alan Keith Dunnell, Thomas Cyril James Wade, David Greenwood
  • Polyamides having improved dyeability prepared from aromatic carboxylic monosulfonated compounds
    Patent number: 3951599
    Abstract: A basic dye receptive polyamide polymer and fiber and fabric prepared therefrom said polymer containing minor percentages of at least one sulfoaryloxycarboxylic acid or salt thereof.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: April 20, 1976
    Assignee: Fiber Industries, Inc.
    Inventors: Gerald Wayne Davis, Jimmy Bernard Sheats
  • Process for preparing polyesters from terephthalic acid in the presence of phosphonium compounds
    Patent number: 3935168
    Abstract: Preparation of fibre-or film-forming polyester or copolyester wherein terephthalic acid or mixture with a second dicarboxylic acid is reacted with glycol and polycondensed with a phosphonium compound having at least one aryl constituent.
    Type: Grant
    Filed: December 12, 1973
    Date of Patent: January 27, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventor: Robert Benson Rashbrook