Company Filing History:
Years Active: 1987
Title: Joao M Correia: Innovator in Rosin and Tall Oil Processing
Introduction
Joao M Correia is a notable inventor based in Lisbon, Portugal. He has made significant contributions to the field of chemical processing, particularly in the treatment of rosin and tall oil. His innovative approach has led to advancements in the quality and efficiency of these materials.
Latest Patents
Joao M Correia holds 1 patent for his invention titled "Disproportionation of unsaturated acids in rosin or tall oil." This process involves a method to improve the color and reduce the oxidized acids content of the disproportionated product obtained by heating rosin acids in rosin and tall oil. The method utilizes a catalyst comprising iodine, an iron compound, and ammonia, an ammonium salt, or an amine. A key improvement in this process is a pretreatment step where the starting material is heated with an effective amount of elemental sulfur, not exceeding 0.5% by weight, for a period usually less than one hour. In many cases, as little as 0.1% by weight of sulfur is sufficient to achieve the desired results.
Career Highlights
Joao M Correia is associated with Enichem Elastomers Ltd., where he applies his expertise in chemical engineering and innovation. His work focuses on enhancing the properties of elastomers and related materials, contributing to the advancement of the industry.
Conclusion
Joao M Correia's contributions to the field of chemical processing, particularly through his patented method for treating rosin and tall oil, highlight his role as an innovator. His work continues to influence the industry and improve material quality.