Location History:
- East Marlborough Township, Chester County, PA (US) (1984)
- Kennett Square, PA (US) (1994)
Company Filing History:
Years Active: 1984-1994
Title: Innovations of Chester R. Willis
Introduction
Chester R. Willis is a notable inventor based in Kennett Square, PA (US). He has made significant contributions to the field of epoxy resin compositions and peroxide blends. With a total of 2 patents, his work showcases innovative solutions that enhance material performance.
Latest Patents
One of his latest patents focuses on epoxy resin compositions with improved storage stability. This invention involves a mixture of a polyepoxide and a curing agent that reacts with the polyepoxide. The composition is characterized by a glass transition temperature of less than 20 degrees Celsius, measured under standard conditions after undergoing a specified thermal cycle. Preferred curing agents include aromatic diamines such as 3,7-diaminodibenzothiophene-5,5-dioxide and 3,7-diaminophenothiazine sulfone.
Another significant patent by Willis involves novel blends of peroxides that have melting points of about 5 degrees Celsius and lower. These blends consist of t-butyl cumyl peroxide, bis(α-t-butylperoxyisopropyl)benzene, and dicumyl peroxide, showcasing his innovative approach to chemical compositions.
Career Highlights
Chester R. Willis has built a successful career at Hercules Corporation, where he has been able to apply his expertise in developing advanced materials. His work has contributed to the company's reputation for innovation in the chemical industry.
Collaborations
Throughout his career, Willis has collaborated with talented individuals such as Anita N. Chan and Brian J. Swetlin. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Chester R. Willis is a distinguished inventor whose work in epoxy resin compositions and peroxide blends has made a significant impact in the field. His innovative contributions continue to influence material science and engineering.