This inventor holds 1 USPTO granted patent. Top assignee: Ashland Oil, Inc.. Active years: 1978.
Company Filing History:
Years Active: 1978
Title: Jack W Sigan: Innovator in Aliphatic Amines and Quaternary Ammonium Compounds
Introduction
Jack W Sigan is a notable inventor based in Minneapolis, MN (US). He has made significant contributions to the field of chemistry, particularly in the development of mixtures of aliphatic amines and quaternary ammonium compounds. His innovative work has led to the creation of a patent that showcases his expertise and dedication to advancing chemical applications.
Latest Patents
Jack W Sigan holds a patent for "Mixtures of aliphatic amines and quaternary ammonium compounds thereof." This patent describes a process where specified long-chain aliphatic alcohols are reacted with ammonia at atmospheric pressure and elevated temperatures. The process involves the continuous removal of water and excess ammonia, resulting in a mixture of aliphatic amines that predominantly consist of secondary amines. The amine product is then quaternized to yield corresponding mixtures of fabric softening quaternary ammonium compounds. These compounds exhibit outstanding stability characteristics at low concentrations of active content, making them valuable in various applications.
Career Highlights
Jack W Sigan is associated with Ashland Oil, Inc., where he has contributed to the company's research and development efforts. His work has not only advanced the understanding of chemical mixtures but has also provided practical solutions for industrial applications. His innovative approach and technical expertise have made him a respected figure in his field.
Collaborations
Throughout his career, Jack has collaborated with notable colleagues, including Richard R Egan and Graham K Hughes. These collaborations have fostered a productive environment for innovation and have led to significant advancements in their respective areas of expertise.
Conclusion
Jack W Sigan's contributions to the field of chemistry, particularly through his patent on aliphatic amines and quaternary ammonium compounds, highlight his role as an innovator. His work continues to influence the industry and showcases the importance of research and development in creating effective chemical solutions.