Location History:
- Brookline, MA (US) (2006)
- Bethesda, MD (US) (2007 - 2019)
- Chestnut Hill, MA (US) (2005 - 2020)
Company Filing History:
11 out of 111 
6 out of 1,926 
1 out of 818 
Years Active: 2005-2025
Title: Innovations and Contributions of John T Fourkas
Introduction
John T Fourkas is a prominent inventor based in Bethesda, MD, known for his significant contributions to the field of chemistry and materials science. With a total of 17 patents to his name, he has made remarkable advancements in various innovative technologies.
Latest Patents
Among his latest patents, Fourkas has developed recyclable metathesis catalysts. These highly active, recoverable, and recyclable transition metal-based metathesis catalysts, along with their organometallic complexes, include a Ru complex featuring a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether ligand. The heterocyclic ligand significantly enhances catalytic activity, while the styrenyl ether facilitates the easy recovery of the Ru complex. Additionally, he has disclosed derivatized catalysts that can be immobilized on substrate surfaces. These catalysts are capable of catalyzing ring-closing metathesis (RCM), ring-opening (ROM), and cross metatheses (CM) reactions, promoting the efficient formation of various trisubstituted olefins at ambient temperature in high yield. Another notable invention is related to multicolor photolithography materials and methods. This invention involves photoresist compositions that comprise a base resin capable of radical polymerization upon photoinitiation, along with photoinitiator molecules such as diketones. The multicolor photolithography methods utilize these compositions to achieve precise polymerization through a series of radiation exposures.
Career Highlights
Throughout his career, John T Fourkas has worked with esteemed institutions, including the Trustees of Boston College and the University System of Maryland. His work has significantly impacted the fields of chemistry and materials science, leading to advancements that benefit various industries.
Collaborations
Fourkas has collaborated with notable colleagues, including Amir H Hoveyda and Jason Kingsbury, contributing to a rich exchange of ideas and innovations in their respective fields.
Conclusion
John T Fourkas stands out as a leading inventor whose work in recyclable catalysts and photolithography has paved the way for future innovations. His contributions continue to influence the scientific community and industry practices.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.