Patents Represented by Attorney Leigh B. Taylor

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  • Cooling arrangement for valve stem gates in hot runner injection molding machine systems
    Patent number: 5071340
    Abstract: An injection molding machine and method in which a hot runner has heated nozzles and piston operated nozzles valves, the stems of the nozzle valves and the nozzle bushings have passages connected to the cylinders to carry cooling fluid to the cylinders to actuate the nozzle valves.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: December 10, 1991
    Assignee: Dart Industries Inc.
    Inventor: Vincent S. LaBianca
  • Fast crystallizing polyethylene terephthalate compositions
    Patent number: 4448913
    Abstract: Polyethylene terephthalate molding compositions characterized by rapid crystallization are provided by combining polyethylene terephthalate and a filler or reinforcing agent with a crystallization-rate promoter comprising sodium benzoate and a poly-alpha-olefin such as low density polyethylene. A flame retardant material is provided by the addition of flame retardant additives.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: May 15, 1984
    Assignee: Dart Industries Inc.
    Inventors: Ernest A. Coleman, Kevin J. Cronin, Frank K. Chu, Robin W. Kirwan
  • Egg scoop or spoon
    Patent number: 4438564
    Abstract: An improved egg scoop or spoon suitable for handling hot boiled eggs wherein the spoon bowl is itself egg shaped and is constructed so as to be easily positionable around an egg, to surround and firmly retain an egg and to provide for the drainage of fluids from the egg without its retention within the spoon bowl and the ready floatation of an egg from the spoon bowl when presented to a body of fluid.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: March 27, 1984
    Assignee: Dart Industries Inc.
    Inventor: Harold P. Ashton
  • Dissolution of metals utilizing a lactone
    Patent number: 4437927
    Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of a lactone such as .gamma.-butyrolactone, .epsilon.-caprolactone or .gamma.valerolactone.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 20, 1984
    Assignee: Dart Industries Inc.
    Inventor: Kwee C. Wong
  • Dissolution of metals utilizing a glycol ether
    Patent number: 4437928
    Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of a glycol ether such as diethylene glycol butyl ether or ethylene glycol butyl ether.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 20, 1984
    Assignee: Dart Industries Inc.
    Inventor: Kwee C. Wong
  • Dissolution of metals utilizing a furan derivative
    Patent number: 4437932
    Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of a furan derivative such as tetrahydrofurfuryl alcohol or tetrahydrofuran.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 20, 1984
    Assignee: Dart Industries Inc.
    Inventor: Kwee C. Wong
  • Dissolution of metals
    Patent number: 4437931
    Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and certain primary diols.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 20, 1984
    Assignee: Dart Industries Inc.
    Inventors: Moenes L. Elias, Walter L. Burger
  • Dissolution of metals utilizing pyrrolidone
    Patent number: 4437929
    Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of pyrrolidone such as 2-pyrrolidone or N-methyl-2-pyrrolidone.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 20, 1984
    Assignee: Dart Industries Inc.
    Inventor: Kwee C. Wong
  • Dissolution of metals utilizing .epsilon.-caprolactam
    Patent number: 4437930
    Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of .epsilon.-caprolactam.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 20, 1984
    Assignee: Dart Industries Inc.
    Inventor: Kwee C. Wong
  • Food storage cup or cover or the like
    Patent number: D272213
    Type: Grant
    Filed: November 27, 1981
    Date of Patent: January 17, 1984
    Assignee: Dart Industries Inc.
    Inventor: Robert H. C. M. Daenen
  • Drainer tray or the like
    Patent number: D272222
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: January 17, 1984
    Assignee: Dart Industries Inc.
    Inventor: Kazunobu Cho
  • Closured food storage cup or the like
    Patent number: D272223
    Type: Grant
    Filed: November 27, 1981
    Date of Patent: January 17, 1984
    Assignee: Dart Industries Inc.
    Inventor: Robert H. C. M. Daenen
  • Jug or the like
    Patent number: D272225
    Type: Grant
    Filed: December 24, 1981
    Date of Patent: January 17, 1984
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. DeCoster
  • Bread serving tray or the like
    Patent number: D272505
    Type: Grant
    Filed: September 18, 1980
    Date of Patent: February 7, 1984
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Canister jar and closure
    Patent number: D272507
    Type: Grant
    Filed: August 7, 1980
    Date of Patent: February 7, 1984
    Assignee: Dart Industries Inc.
    Inventor: Rino Conti
  • Canister jar or the like
    Patent number: D272508
    Type: Grant
    Filed: August 7, 1980
    Date of Patent: February 7, 1984
    Assignee: Dart Industries Inc.
    Inventor: Rino Conti
  • Sifter or the like
    Patent number: D272972
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: March 13, 1984
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster
  • Combined sifter and container or the like
    Patent number: D272973
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: March 13, 1984
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster
  • Container cover or the like
    Patent number: D273837
    Type: Grant
    Filed: December 24, 1981
    Date of Patent: May 15, 1984
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster
  • Picture frame support or the like
    Patent number: D274591
    Type: Grant
    Filed: February 3, 1981
    Date of Patent: July 10, 1984
    Assignee: Dart Industries Inc.
    Inventor: Robert H. C. M. Daenen