Patents by Inventor Martinho DUARTE AMARO CORREIA

Martinho DUARTE AMARO CORREIA 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).

  • METHOD FOR USING ALKANOLAMINE IN A GRINDER
    Publication number: 20210387909
    Abstract: Disclosed is a method for using a secondary or tertiary alkanolamine for grinding cement, the method including: forming an inorganic acid salt of the alkanolamine; and adding the salified alkanolamine to a grinder.
    Type: Application
    Filed: October 10, 2019
    Publication date: December 16, 2021
    Inventors: Bruno PELLERIN, Martinho DUARTE AMARO CORREIA