This inventor holds 23 USPTO granted patents. Top assignees: Argus Chemical Corporation, U.S. Peroxygen Company, Witco Corporation. Active years: 1976-1999.
Location History:
- Pinole, CA (US) (1976)
- Martinez, CA (US) (1977 - 1986)
- Longview, TX (US) (1999)
Company Filing History:
20 out of 114 
2 out of 6 
1 out of 180 Years Active: 1976-1999
Title: Roger N. Lewis: Innovator in Polymer Crosslinking Technologies
Introduction
Roger N. Lewis is a distinguished inventor based in Martinez, California, with an impressive portfolio of 23 patents to his name. His contributions to the field of polymer science, particularly in crosslinking technologies, have significantly advanced the capabilities of thermoplastic polymers.
Latest Patents
Among his most notable innovations are two recent patents that focus on crosslinking thermoplastic polymers. The first patent outlines a **Process for Crosslinking Thermoplastic Polymers** and describes a crosslinking system that includes a 1,2,4-trioxacycloheptane combined with a crosslink-promoting polyfunctional ethylenically unsaturated compound. This remarkable system effectively crosslinks thermoplastic polymers, with preferred materials including ethylene homopolymers and copolymers.
The second patent provides innovative techniques titled **Acetylenic Di(t-Amyl Peroxide) Cross-linking/Blowing Agents**. This patent reveals novel processes and compositions for creating foamed, cross-linked polyethylene using di(alkylperoxy)acetylene as cross-linking and blowing agents. The formulations also comprise esters of thiodipropionic acid as activators to enhance the crosslinking process.
Career Highlights
Roger's professional career features key roles at several prestigious companies, including Argus Chemical Corporation and U.S. Peroxygen Company. His work in these organizations has bolstered the development and application of new chemical processes, particularly in polymer technology.
Collaborations
Throughout his career, Roger has collaborated with renowned professionals in the field, such as Ronald L. Pastorino and James F. Wilts. These partnerships have contributed to a collaborative environment that fosters innovation and the sharing of ideas in polymer research and development.
Conclusion
Roger N. Lewis stands out as an influential figure in the realm of polymer science. With his prolific patent portfolio and significant contributions to crosslinking technologies, he continues to shape the future of thermoplastic polymers. His innovative approaches will undoubtedly inspire further advancements in this critical area of materials science.