Patents by Inventor Pedro Sa Gomes

Pedro Sa Gomes 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).

  • A PROCESS FOR PURIFICATION OF POLYETHER BLOCK COPOLYMERS
    Publication number: 20200010618
    Abstract: Process for providing purified polyether block copolymers comprising polyoxyethylene (PEO) and polyoxypropylene (PPO) moieties wherein the purified product is obtained by an ultrafiltration step of a solution of the polyether block copolymers and wherein the block copolymers are depleted in lower molecular impurities.
    Type: Application
    Filed: January 30, 2018
    Publication date: January 9, 2020
    Inventors: Hartwig Voss, Felicitas Guth, Emiel Jan Kappert, Pedro Sa Gomes
  • A PROCESS FOR PURIFICATION OF POLYETHER BLOCK COPOLYMERS
    Publication number: 20180353875
    Abstract: A process for purification of polyether block copolymers comprising polyoxyethylene and polyoxypropylene moieties using sequential multi-column size exclusion chromatography apparatus operated as a counter current moving bed wherein a process cycle comprises the steps of.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 13, 2018
    Inventors: Pedro Sa Gomes, Bastiaan Bram Pieter Staal, Felicitas Guth, Nigel A. Langley