Patents by Inventor Chaminda Koralalage

Chaminda Koralalage 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).

  • Patent number: 11690933
    Abstract: The present invention relates to foam. In particular, the present invention relates to profiled foams and processes for profiling absorbent foam products. More particularly, the present invention relates to processes for producing a profiled absorbent polyurethane foam product, comprising the steps of foaming, curing, profiling and drying, wherein profiling occurs before drying; and absorbent aliphatic polyurethane foam products having at least one profiled surface.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: July 4, 2023
    Assignee: SENTIENT FOAMS LIMITED
    Inventors: Roderick Davidson, Chaminda Koralalage
  • Publication number: 20220160553
    Abstract: The present invention relates to absorbent cores for use in absorbent articles, preferably of the disposable personal hygiene type. It discloses absorbent cores comprising a foam layer incorporating a nonwoven fabric and having a top surface and a bottom surface, said foam layer top surface comprising one or more indented compressed portions and one or more raised non-compressed portions. The foam layer has openings extending through the foam and the nonwoven fabric. The absorbent core further comprises, joined to the bottom surface of the foam layer, a nonwoven comprising superabsorbent polymers. Absorbent cores of the present invention provide a fast acquisition of body exudates and a good liquid retention capacity. This is further achieved in a simple and cost-effective way without complex and considerable foam formulation and processing requirements.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Inventors: Eva STAELENS, Dries COBBAERT, Lieven DHOOGE, Chaminda KORALALAGE, Roderick DAVIDSON
  • Publication number: 20190142992
    Abstract: The present invention relates to foam. In particular, the present invention relates to profiled foams and processes for profiling absorbent foam products. More particularly, the present invention relates to processes for producing a profiled absorbent polyurethane foam product, comprising the steps of foaming, curing, profiling and drying, wherein profiling occurs before drying; and absorbent aliphatic polyurethane foam products having at least one profiled surface.
    Type: Application
    Filed: June 9, 2017
    Publication date: May 16, 2019
    Applicant: SENTIENT FOAMS LIMITED
    Inventors: Roderick Davidson, Chaminda Koralalage