This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Petroleo Brasileiro S.a. - Petrobras, Int—instituto Nacional De Tecnologia. Active years: 2011-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 508 
1 out of 1 Years Active: 2011-2026
Title: Bernardo Galvão Siqueira: Innovator in Chemical Processes
Introduction
Bernardo Galvão Siqueira is a notable inventor based in Rio de Janeiro, Brazil. He has made significant contributions to the field of chemical processes, holding a total of 4 patents. His work focuses on innovative methods for synthesizing important chemical compounds.
Latest Patents
One of his latest patents is the "Lactic acid direct synthesis process." This invention concerns a process for obtaining lactic acid in a single stage by direct oxidation in an aqueous medium of 1,2-propanediol. This process utilizes a mixture of heterogeneous catalysts under low temperature and low pressure conditions. The reaction occurs in the presence of oxygen, and the catalysts can be easily recovered by filtration for reuse. The selectivity of lactic acid production ranges between 50% and 97%.
Another significant patent is for the "Production of propylene glycol from glycerine." This invention describes a process for transforming purified glycerol into propylene glycol through hydrogenolysis in the liquid phase. The reaction occurs simultaneously in a single reactor under specified temperature and pressure conditions, followed by separation and purification stages.
Career Highlights
Bernardo has worked with prominent companies such as Petroleo Brasileiro S.A. (Petrobras) and the National Institute of Technology (Instituto Nacional de Tecnologia). His experience in these organizations has contributed to his expertise in chemical processes and innovation.
Collaborations
He has collaborated with notable coworkers, including Raphael Bezerra De Menezes and Marlito Gomes Junior. Their joint efforts have likely enhanced the development and implementation of his innovative processes.
Conclusion
Bernardo Galvão Siqueira is a distinguished inventor whose work in chemical processes has led to valuable patents. His contributions to the synthesis of lactic acid and propylene glycol demonstrate his commitment to innovation in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile