This inventor holds 2 USPTO granted patents. Top assignees: Celanese Acetate Limited, Hoechst Celanese Corporation. Active years: 1996-2001.
Company Filing History:
Years Active: 1996-2001
Title: Innovations of James Robert Walden
Introduction
James Robert Walden is an accomplished inventor based in Matthews, NC (US). He holds 2 patents that showcase his contributions to the field of materials science and polymer technology. His work has significantly impacted the development of innovative materials with unique properties.
Latest Patents
One of his latest patents is focused on the thermal bonding of wet cellulose-based fibers. This invention discloses a fabric made of cellulose acetate and/or cellulose triacetate, which is calendered at specific temperatures and pressures after being water-wetted. The process allows for the bonding of fibers, enhancing the fabric's physical properties such as stiffness and hand. The parameters for calendering include temperatures ranging from about 130°C to about 210°C and pressures from about 500 to about 5000 psi. Another notable patent involves polymer electrets with improved charge stability. This invention utilizes specific charge control agents blended with various polymers to enhance the charge lifetime of electrets, which is crucial for applications in toners.
Career Highlights
Throughout his career, James has worked with prominent companies such as Hoechst Celanese Corporation and Celanese Acetate Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in material science.
Collaborations
James has collaborated with notable coworkers, including Werner Groh and Hans-Tobias Macholdt. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion
James Robert Walden's contributions to the field of innovation through his patents and collaborations highlight his expertise and dedication to advancing material science. His work continues to influence the development of new technologies and applications.
