Patents by Inventor Lili Arancibia

Lili Arancibia 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).

  • Process for drying concrete dispersants
    Patent number: 9309152
    Abstract: A process for the production of a solid dispersant for a hydraulically binding composition includes the steps of: providing at least one first polymer, which is a comb polymer having a polymer backbone comprising carboxyl groups; providing at least one second polymer, which is a condensate of, at least, an aromatic compound and formaldehyde; or a lignosulfonate; preparing an aqueous solution comprising the first and the second polymer; and spray-drying the aqueous solution to obtain the solid dispersant.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: April 12, 2016
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Pedro Gallegos, Lili Arancibia, Hugo Olivares, Ernesto Croquevielle, Thomas Haack
  • PROCESS FOR DRYING CONCRETE DISPERSANTS
    Publication number: 20140135427
    Abstract: A process for the production of a solid dispersant for a hydraulically binding composition includes the steps of: providing at least one first polymer, which is a comb polymer having a polymer backbone comprising carboxyl groups; providing at least one second polymer, which is a condensate of, at least, an aromatic compound and formaldehyde; or a lignosulfonate; preparing an aqueous solution comprising the first and the second polymer; and spray-drying the aqueous solution to obtain the solid dispersant.
    Type: Application
    Filed: July 31, 2012
    Publication date: May 15, 2014
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Pedro Gallegos, Lili Arancibia, Hugo Olivares, Ernesto Croquevielle, Thomas Haack