Company Filing History:
1 out of 433 
1 out of 3 Years Active: 2023
Title: Paulo Roberto Filgueiras: Innovator in Naphthenic Acid Isolation
Introduction
Paulo Roberto Filgueiras is a notable inventor from Vitoria, Brazil, recognized for his contributions to the field of laboratory-scale sample preparation. His innovative methodologies have significantly advanced the isolation of specific compounds from complex mixtures, particularly in the petroleum industry.
Latest Patents
Filgueiras holds a patent for a method of isolation of ARN acids from naphthenate deposits. This invention focuses on a systematic approach to isolate tetraprotic naphthenic acids, known as ARN acids, from residual naphthenate deposits resulting from petroleum production. The method involves cleaning the naphthenate deposit, converting naphthenate salts into naphthenic acids, and utilizing a silica-based sorbent material with aminopropyl functional groups for efficient separation of ARN acids from other organic acids.
Career Highlights
Throughout his career, Filgueiras has worked with prominent organizations, including Petroleo Brasileiro S.A. (Petrobras) and the Universidade Federal do Espirito Santo (UFES). His work in these institutions has allowed him to apply his innovative techniques in real-world applications, contributing to advancements in petroleum extraction and processing.
Collaborations
Filgueiras has collaborated with esteemed colleagues such as Valdemar Lacerda Junior and Eliane Valeria De Barros. These partnerships have fostered a collaborative environment that enhances research and development in the field of naphthenic acid isolation.
Conclusion
Paulo Roberto Filgueiras stands out as a significant figure in the innovation of naphthenic acid isolation methodologies. His contributions have not only advanced scientific understanding but also improved practical applications in the petroleum industry.