Patents Assigned to L. A. Dreyfus Co.
  • Process of producing chewing gum base in particle form and product thereof
    Patent number: 6200608
    Abstract: A free-flowing, particulated gum base comprises particulated rubber ingredients having a size of less than or equal to about 6 millimeters. The gum base is prepared by blending together particulated gum base ingredients including an elastomer, elastomer plasticizer and preferably a filler. The elastomer and elastomer plasticizer may be pre-compounded and then pulverized before being blended with the other gum base ingredients to form the free-flowing, particulated gum base.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: March 13, 2001
    Assignee: L. A. Dreyfus Co.
    Inventors: Charlean Gmunder, Kenneth M. Kanca, Weisheng Li, Frederick H. Marshall, Edward J. Zuromski
  • Gum base manufacturing method using elastomer emulsions
    Patent number: 5792494
    Abstract: A process for producing a chewing gum base comprising pumping an elastomer/water emulsion having a viscosity less than about 2.times.10.sup.6 cps to at least two mixers, introducing a filler material, introducing an elastomer plasticizer and mixing the contents of the mixers under conditions that substantially remove the water.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: August 11, 1998
    Assignee: L. A. Dreyfus Co.
    Inventors: Kenneth M. Kanca, Edward J. Zuromski, Richard Santora