Patents by Inventor Juan Brugarolas Fabregas

Juan Brugarolas Fabregas 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 sealing anodic oxidation layers on aluminium surfaces and its alloys
    Patent number: 4084014
    Abstract: This invention relates to a process for sealing alumina layers formed on the surface of aluminum and its alloys by anodic oxidation, and to the composition for effecting such sealing. The process, which is preferably carried out at room temperatures for purposes of economy, comprises contacting said layer with an aqueous composition which includes phosphate ions, trivalent chromium, and an emulsified organic resin.
    Type: Grant
    Filed: December 14, 1976
    Date of Patent: April 11, 1978
    Inventor: Juan Brugarolas Fabregas
  • One step film-forming phosphatization of metallic surfaces and composition for effecting same
    Patent number: 4006041
    Abstract: The present invention relates to a process for protecting metal surfaces from corrosion, and more particularly to a method for forming a phosphatized film on metal surfaces and a composition for accomplishing said result.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: February 1, 1977
    Inventors: Juan Brugarolas Fabregas, Frederic Gruber