Patents by Inventor CP Kelco Oy

CP Kelco Oy 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).

  • Compositions Having Increased Concentrations of Carboxymethylcellulose
    Publication number: 20130192492
    Abstract: Embodiments of the present description provide methods for increasing the concentration of carboxymethylcellulose alkali solutions that are particularly suitable for use in a high solids paper coating, barrier materials, etc. Generally described, the method includes dissolving carboxymethylcellulose (CMC) and an alkali salt in water to obtain an alkali solution of CMC. The CMC desirably has a degree of substitution less than about 0.9. The alkali solution of CMC includes CMC in a concentration greater than about 9.8% by weight, has a pH from about 7.5 to about 11, and is characterized as having a viscosity of less than about 5,000 mPa.
    Type: Application
    Filed: October 12, 2012
    Publication date: August 1, 2013
    Applicant: CP KELCO OY
    Inventor: CP Kelco Oy