Patents by Inventor Roberto Andrade Galvão

Roberto Andrade Galvão 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).

  • Ecological, Biodegradable, Fluid Lubricant And Anti-Freezing Composition For Hydraulic Systems
    Publication number: 20120037841
    Abstract: An ECOLOGICAL, BIODEGRADABLE, FLUID LUBRICANT AND ANTI-FREEZING COMPOSITION FOR HYDRAULIC SYSTEMS, contains: a base oil of Group V, such as adipic acid diesters, an anti-oxidising additive such as diphenylamines, and an antifoaming additive, such as a silicone-free combination of hydrocarbons, vegetable fatty acids and glycols.
    Type: Application
    Filed: February 12, 2010
    Publication date: February 16, 2012
    Applicant: Promax Products <aximos S/A Industria E. Comercio
    Inventor: Roberto Andrade Galváo
  • Ecological, Biodegradable, Fluid Lubricant And Anti-Freezing Composition For Hydraulic Systems
    Publication number: 20120004149
    Abstract: An ECOLOGICAL, BIODEGRADABLE, FLUID LUBRICANT AND ANTI-FREEZING COMPOSITION FOR HYDRAULIC SYSTEMS, contains glycol, corrosion inhibitors and antifoaming agents, and must be diluted in water, either before or after it is fed into the hydraulic system, including shock absorber, preferably in a concentration of 30% to 70% by volume of the composition and of 30% to 70% by volume of water.
    Type: Application
    Filed: February 12, 2010
    Publication date: January 5, 2012
    Applicant: Promax Produtos Maximos S/A Industria E Comercio
    Inventor: Roberto Andrade Galvão