Patents by Inventor Tanyatorn Sitkhunthod

Tanyatorn Sitkhunthod 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).

  • Ultrathin fluid-absorbent article
    Patent number: 10806640
    Abstract: An absorbent core and an absorbent article respectively with improved properties, especially rewet performance, are disclosed. The absorbent core has at least two layers, wherein each layer comprising from 0 to 10% by weight fibrous material and from 90 to 100% by weight water-absorbent polymer particles, based on the sum of water-absorbent polymer particles and fibrous material. The surface-postcrosslinked water absorbent polymer particles within the upper layer have a sphericity of at least 0.89 and a CRC of at least 34 g/g. Preferably the water-absorbent polymer particles have a sphericity of at least 0.89 and the sum of the CRC and AUL (0.3 psi, 21 g cm?2) (EDANA 442.2-02) of the water absorbent polymer particles is at least 65 g/g.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: October 20, 2020
    Assignee: BASF SE
    Inventors: Norbert Herfert, Somjate Sonkaew, Thomas Daniel, Tanyatorn Sitkhunthod
  • ULTRATHIN FLUID-ABSORBENT ARTICLE
    Publication number: 20170281422
    Abstract: An absorbent core and an absorbent article respectively with improved properties, especially rewet performance, are disclosed. The absorbent core has at least two layers, wherein each layer comprising from 0 to 10% by weight fibrous material and from 90 to 100% by weight water-absorbent polymer particles, based on the sum of water-absorbent polymer particles and fibrous material. The surface-postcrosslinked water absorbent polymer particles within the upper layer have a sphericity of at least 0.89 and a CRC of at least 34 g/g. Preferably the water-absorbent polymer particles have a sphericity of at least 0.89 and the sum of the CRC and AUL (0.3 psi, 21 g cm?2) (EDANA 442.2-02) of the water absorbent polymer particles is at least 65 g/g.
    Type: Application
    Filed: March 28, 2017
    Publication date: October 5, 2017
    Applicant: BASF SE
    Inventors: Norbert Herfert, Somjate Sonkaew, Thomas Daniel, Tanyatorn Sitkhunthod