This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Eastman Chemical Company. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Bob N Jack - Innovator in Polyester Manufacturing
Introduction
Bob N Jack is a notable inventor based in Kingsport, TN (US). He has made significant contributions to the field of polyester manufacturing, particularly through his innovative methods that incorporate recycled materials. His work is instrumental in promoting sustainability within the industry.
Latest Patents
Bob N Jack holds a patent for a "Method for manufacture of polyesters with recycle content." This patent outlines a process that involves feeding recycled ester materials into a reaction zone to create a polyester oligomer mixture. The method emphasizes the importance of using virgin diol and diacid components, ensuring that at least 90 mole % of the diacid content is based on terephthalic acid. The reaction occurs at a temperature of at least 250° C. for a total average residence time of between 30 minutes and 12 hours.
Career Highlights
Bob N Jack is currently employed at Eastman Chemical Company, where he continues to develop innovative solutions in polyester manufacturing. His expertise and dedication to his work have made him a valuable asset to the company.
Collaborations
Throughout his career, Bob has collaborated with talented coworkers such as Travis Wynn Keever and Daniel Lee Martin. These collaborations have fostered a creative environment that encourages innovation and the development of new ideas.
Conclusion
Bob N Jack's contributions to the field of polyester manufacturing highlight the importance of innovation and sustainability. His patented methods not only advance the industry but also promote the use of recycled materials, paving the way for a more sustainable future.