Company Filing History:
39 out of 21,595 
9 out of 2,002 Years Active: 1977-2002
Areas of Expertise:
Title: David R. Fagerburg: Innovator in Copolyester Technology
Introduction
David R. Fagerburg, based in Kingsport, TN, is a prolific inventor renowned for his contributions to the field of copolyester technology. With an impressive portfolio of 49 patents, Fagerburg has made significant advancements that enhance the durability and functionality of materials resistant to ultraviolet radiation.
Latest Patents
Fagerburg's most recent patents include innovations in copolyester blends designed to withstand ultraviolet light. One notable patent describes a copolyester containing isophthalic acid, 1,4-cyclohexanedimethanol, and an ultraviolet light-absorbing compound. This copolyester blend combines a polyethylene terephthalate-based copolyester with specific ultraviolet absorbers, allowing the creation of UV radiation-resistant thermoformed articles. Another significant patent features a copolyester containing 4,4'-biphenyldicarboxylic acid, which also enhances UV resistance by utilizing a similar structure and composition.
Career Highlights
Throughout his career, David R. Fagerburg has made remarkable contributions while working for prominent companies such as Eastman Kodak Company and Eastman Chemical Company. His role in these organizations spans various aspects of material science and engineering, where his innovations in copolyester chemistry have positioned him at the forefront of this technology sector.
Collaborations
Fagerburg has had the opportunity to work alongside esteemed colleagues, including Joseph J. Watkins and Paul B. Lawrence. Their collaborative efforts have contributed to the development of cutting-edge materials and have further established the importance of teamwork in advancing technological innovations.
Conclusion
David R. Fagerburg's dedication to innovation in copolyester technology showcases the impact of his work in creating materials that offer enhanced protection against ultraviolet radiation. With 49 patents to his name and a solid career foundation, Fagerburg continues to be a driving force in the development of new materials that meet the demands of modern applications.