Patents by Inventor Claudio MARENCO

Claudio MARENCO 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 surface treatment of aluminum or aluminum alloys by an alkaline chemical bath
    Patent number: 11220752
    Abstract: A process for surface treatment of semi-finished aluminum products is provided. The process includes preparing an aqueous solution of sodium hydroxide (NaOH) and dissolved metallic aluminum, kept in suspension by adding complexing agents including gluconate and sorbitol, and placing a semi-finished aluminum product in contact with the aqueous solution, maintaining temperature of the aqueous solution within a predetermined range.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: January 11, 2022
    Inventor: Claudio Marenco
  • PROCESS FOR SURFACE TREATMENT OF ALUMINUM OR ALUMINUM ALLOYS BY AN ALKALINE CHEMICAL BATH
    Publication number: 20210310131
    Abstract: A process for surface treatment of semi-finished aluminum products is provided. The process includes preparing an aqueous solution of sodium hydroxide (NaOH) and dissolved metallic aluminum, kept in suspension by adding complexing agents including gluconate and sorbitol, and placing a semi-finished aluminum product in contact with the aqueous solution, maintaining temperature of the aqueous solution within a predetermined range.
    Type: Application
    Filed: November 5, 2019
    Publication date: October 7, 2021
    Inventor: Claudio MARENCO