This inventor holds 2 USPTO granted patents. Top assignee: 3M Innovative Properties Company. Active years: 1984-2003.
Location History:
- White Bear Lake, MN (US) (1984)
- Saint Paul, MN (US) (2003)
Company Filing History:
Years Active: 1984-2003
Title: Innovations by David C Brownlee
Introduction
David C Brownlee is an accomplished inventor based in Saint Paul, MN (US). He has made significant contributions to the field of materials science, particularly in the development of innovative fibrous nonwoven webs and sorbent sheet products. With a total of 2 patents, his work showcases a blend of creativity and technical expertise.
Latest Patents
One of Brownlee's latest patents focuses on fibrous nonwoven webs. These webs comprise a mass of polyethylene terephthalate fibers that exhibit a double melting peak on a DSC plot. This unique morphology includes a first molecular portion in non-chain-extended crystalline form and a second molecular portion in chain-extended crystalline form, resulting in a product with exceptional durability and dimensional stability. The fibers are generally autogenously bonded at points of fiber intersection, enhancing their structural integrity.
Another notable patent involves the creation of new sorbent sheet products. These products are prepared from a coherent web of entangled blown fibers, which are formed by extruding liquid fiber-forming material into a high-velocity gaseous stream. Additionally, an array of super absorbent polymeric particles is dispersed within the web, significantly improving the product's absorbent capabilities.
Career Highlights
David C Brownlee is associated with 3M Innovative Properties Company, where he continues to push the boundaries of innovation in material science. His work has not only contributed to the company's portfolio but has also advanced the industry standards for nonwoven materials and absorbent products.
Collaborations
Throughout his career, Brownlee has collaborated with talented individuals such as Pamela A Percha and David A Olson. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
David C Brownlee's contributions to the field of materials science through his innovative patents highlight his expertise and commitment to advancing technology. His work at 3M Innovative Properties Company continues to influence the industry and inspire future innovations.