Patents by Inventor Harold Dial

Harold Dial 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).

  • Stable suspension of hydrocolloids and superplasticizer
    Patent number: 6309455
    Abstract: The present invention comprises a stable hydrocolloid composition in which preferably welan gum is uniformly dispersed in a superplasticizer solution such as sulfonated naphthalene, sulfonated melamine, modified lignosulfate, their derivatives and mixtures thereof. The solution is wet milled to form an extremely fine particle size distribution of the gum. The composition is rapidly hydratable and useful as a stabilizing additive in many cement and drilling fluid applications.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: October 30, 2001
    Assignee: CP Kelco U.S., Inc.
    Inventors: Bryan Skaggs, Harold Dial, Walter Rakitsky
  • Stable suspension of hydrocolloids and superplasticizer
    Patent number: 6106603
    Abstract: The present invention comprises a stable hydrocolloid composition in which preferably welan gum is uniformly dispersed in a superplasticizer solution such as sulfonated naphthalene, sulfonated melamine, modified lignosulfate, their derivatives and solution thereof. The mixture is wet milled to form an extremely fine particle size, from about 3 microns to about 500 microns distribution of the gum. The composition is rapidly hydratable and useful as a stabilizing additive in many cement and drilling fluid applications.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: August 22, 2000
    Assignee: Pharmacia Corporation
    Inventors: Bryan Skaggs, Harold Dial, Walter Rakitsky