This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Stellenbosch University. Active years: 2025.
Company Filing History:
Years Active: 2025
Title: Harold Pasch: Innovator in Phenolic Polymer Depolymerisation
Introduction
Harold Pasch is a notable inventor based in Stellenbosch, South Africa. He has made significant contributions to the field of polymer science, particularly in the depolymerisation of phenolic polymers. His innovative methods have the potential to impact various industries by providing efficient ways to break down complex materials.
Latest Patents
Harold Pasch holds a patent for a method of depolymerising phenolic polymers. This invention involves reacting phenolic polymers with dimethylsulphoxide (DMSO) and a hydrogen halide, such as HBr. The method specifies that the quantity of hydrogen halide per gram of phenolic polymer should range from 30 mmoles to 70 mmoles, while the quantity of DMSO should be between 0.1 mole and 1 mole. The reaction is conducted at temperatures between 100 to 120° C for a duration of 10 to 14 hours, resulting in products that may include vanillin. He has 1 patent to his name.
Career Highlights
Harold Pasch is affiliated with Stellenbosch University, where he conducts research and develops innovative solutions in polymer chemistry. His work has garnered attention for its practical applications and contributions to sustainable practices in material science.
Collaborations
Harold has collaborated with colleagues such as Helen Pfukwa and Ndumiso Sibanda, contributing to a dynamic research environment that fosters innovation and discovery.
Conclusion
Harold Pasch's work in the depolymerisation of phenolic polymers exemplifies the intersection of innovation and practical application in science. His contributions are paving the way for advancements in polymer technology and sustainability.