Company Filing History:
Years Active: 1978-1986
Title: Innovations of Douglas E Leng
Introduction
Douglas E Leng is a notable inventor based in Midland, MI (US). He has made significant contributions to the field of polymer chemistry, holding a total of 6 patents. His work primarily focuses on the chlorination of polyolefins and the preparation of uniformly sized polymer particles.
Latest Patents
One of his latest patents is titled "Preparation of chlorinated polyolefins - Method and apparatus for the chlorination of polyolefins in aqueous suspension." This innovative method involves subjecting a suspension of polyolefin to a submerged jet of chlorine gas at a velocity of at least sixty feet per second. This technique allows for a more efficient chlorination process at lower chlorine pressures, resulting in a more uniformly-substituted product. Another significant patent is the "Process for preparing uniformly sized polymer particles by suspension." This process creates spheroidal polymer beads with uniform sizes by polymerizing monomer droplets formed through vibratory excitation. The resulting copolymer beads can be utilized in various applications where specific particle sizes are required.
Career Highlights
Douglas E Leng is currently associated with The Dow Chemical Company, where he continues to innovate and develop new methods in polymer chemistry. His expertise and contributions have made a lasting impact on the industry.
Collaborations
He has collaborated with notable coworkers such as James B Akers, Jr and Randall J Normand, further enhancing the scope of his research and innovations.
Conclusion
Douglas E Leng's work exemplifies the spirit of innovation in polymer chemistry. His patents reflect a commitment to improving processes and products in the field. His contributions continue to influence the industry and inspire future advancements.