Company Filing History:
Years Active: 1991-1992
Title: **Daniel R Chisholm: Innovator in Chemical Processes**
Introduction
Daniel R Chisholm, an accomplished inventor based in Warwick, NY, has made significant contributions to the field of chemical processes. With two patents to his name, Chisholm demonstrates a keen ability to innovate and develop methods that enhance the utilization of chemical compounds.
Latest Patents
Chisholm's latest inventions include a patent for a "Method for preparing mercaptopropionic acid esters." This innovative process involves the reaction of an acrylic acid ester with hydrogen sulfide, utilizing a weakly basic amine as a catalyst, combined with a polyether as a co-catalyst and polythiodipropionic acid ester as a reactive solvent, alongside added elemental sulfur. Another notable patent is for "3-alkylthiopropionic acids and derivatives." This invention is a direct addition reaction product of an alkylmercaptan and acrylic acid, or its alkali metal salt, carried out by heating the reactants with an aqueous alkaline solution at a high pH. These acids can be esterified with pentaerythritol to create tetraesters that serve as stabilizers for polymer resins and polymers, highlighting their practical applications in the industry.
Career Highlights
Daniel R Chisholm currently works for Witco Corporation, where he applies his expertise in chemical engineering and innovation. His work focuses on developing novel chemical processes that advance the company's technological capabilities.
Collaborations
During his career, Chisholm has collaborated with notable colleagues, including Michael H Fisch and Mark E Flanagan. Together, they work towards achieving groundbreaking advancements in their field, showcasing the importance of teamwork in innovation.
Conclusion
Daniel R Chisholm's contributions to chemical processes position him as a noteworthy inventor. His patents reflect his ability to create practical solutions to complex problems in the industry. With ongoing collaborations and a commitment to innovation, Chisholm continues to impact the world of chemistry positively.