Location History:
- Somerset County, NJ (US) (1976)
- Bridgewater Township, Somerset County, NJ (US) (1978)
- Somerville, NJ (US) (1976 - 1980)
- Bridgewater, NJ (US) (1976 - 1986)
Company Filing History:
17 out of 3,580 
1 out of 832,891 Years Active: 1976-1986
Title: Eugene Y. Chang: Innovator in Polyurethane Chemistry
Introduction
Eugene Y. Chang is a distinguished inventor based in Bridgewater, NJ, known for his significant contributions in the field of polyurethane chemistry. With a total of 18 patents to his name, he has made remarkable strides in developing innovative catalyst systems and polyurethane compositions that enhance various applications across multiple industries.
Latest Patents
One of his latest patents is focused on catalyst systems for polyurethane compositions. This detailed innovation presents a catalyst composition for polyurethane production, which involves a reaction between aliphatic hydroxyl-containing compounds and secondary or tertiary aliphatic isocyanate group-containing compounds. The catalyst system comprises 1,8-diazabicyclo(5.4.0)-undecene-7 or its salts, alongside an organic tin compound, and optionally, an organic lead compound.
Another notable patent addresses polyurethane compositions based on polyether blends. This invention highlights the formulation of polyurethane compositions using aliphatic diisocyanates or prepolymers of these diisocyanates, alongside blends of ethylene oxide capped polypropylene glycol polyethers of varying functionalities. Notably, the preferred isocyanate for these compositions is para-tetramethylxylene diisocyanate (p-TMXDI), which also includes reaction injection molding compositions.
Career Highlights
Throughout his career, Eugene Y. Chang has worked for notable organizations, including the American Cyanamid Company. His work has led to significant advancements in the materials used for creating durable and efficient polyurethane products.
Collaborations
Chang has collaborated with esteemed colleagues such as Samuel Kaizerman and Robert Saxon, contributing to a rich environment of innovation and knowledge exchange. Their teamwork has undoubtedly played a critical role in the successful development of his patents.
Conclusion
Eugene Y. Chang represents a remarkable figure in the domain of polyurethane chemistry, showcasing the impact of dedicated invention and innovation. His extensive patent portfolio signifies his ongoing commitment to advancing technology and materials science, benefiting various applications and industries globally.