Company Filing History:
Years Active: 1977-1986
Title: **Lewis Clinton Bancroft: A Pioneer in Magnetic Tape Duplication and Ferromagnetic Materials**
Introduction
Lewis Clinton Bancroft is an accomplished inventor based in Wilmington, Delaware, known for his significant contributions to the fields of magnetic tape technology and materials science. With a total of two patents to his name, Bancroft has made a lasting impact in his industry, primarily through his work at E.I. du Pont de Nemours and Company.
Latest Patents
Bancroft's latest innovations include a groundbreaking method for thermoremanent duplication of magnetic tapes. This process involves the use of laser heating to create a copy tape that is heated and cooled in contact with a master tape, optimizing efficiency in duplication. His second patent focuses on the preparation of ferromagnetic chromium dioxide (CrO₂). The innovative method utilizes a hydrothermal reaction involving CrO₃/Cr₂O₃/H₂O mixtures in a specially designed reaction vessel that has a hollow longitudinal core. This design leads to shorter heating and cooling cycles, thereby enhancing overall productivity.
Career Highlights
Throughout his career at E.I. du Pont de Nemours and Company, Bancroft has consistently driven innovation in magnetic materials and processes. His work not only enhances production efficiency but also contributes to advancements in the broader field of magnetic recording technology.
Collaborations
Bancroft collaborates with esteemed colleagues, including David W. Williston and Dale M. Hiller, who share a commitment to innovation in the industry. Together, they contribute valuable insights and expertise that further the company's research and development goals.
Conclusion
Lewis Clinton Bancroft's inventive spirit and dedication to his craft have positioned him as a leader in the field of magnetic technologies. His patents reflect a keen understanding of materials science, making substantial contributions to both his company and the industry as a whole. As technological needs evolve, Bancroft's work continues to pave the way for future advancements.