Patents by Inventor Rumyana Panayotova

Rumyana Panayotova 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).

  • Fluid-absorbent article
    Patent number: 10881555
    Abstract: A fluid-absorbent article having an upper liquid-pervious layer, a lower liquid-impervious layer, a fluid-absorbent core between the layer and the layer, containing from 0 to 20% by weight fibrous material and from 80 to 100% by weight of a water-absorbent polymer material, based on the sum of water-absorbent polymer material and fibrous material. The fluid absorbent article has a first intake time of 15 seconds or less by the hanging U-shape test (HUS).
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: January 5, 2021
    Assignee: BASF SE
    Inventors: Rumyana Panayotova, Ming Vang, Kathleen Goebel, Xiaomin Zhang, Michael Mitchell
  • Fluid-Absorbent Article
    Publication number: 20170281423
    Abstract: A fluid-absorbent article having an upper liquid-pervious layer, a lower liquid-impervious layer, a fluid-absorbent core between the layer and the layer, containing from 0 to 20% by weight fibrous material and from 80 to 100% by weight of a water-absorbent polymer material, based on the sum of water-absorbent polymer material and fibrous material. The fluid absorbent article has a first intake time of 15 seconds or less by the hanging U-shape test (HUS).
    Type: Application
    Filed: March 28, 2017
    Publication date: October 5, 2017
    Applicant: BASF SE
    Inventors: Rumyana Panayotova, Ming Vang, Kathleen Goebel, Xiaomin Zhang, Michael Mitchell