This inventor holds 1 USPTO granted patent. Top assignee: Abitibi-Price, Inc.. Active years: 1990.
Company Filing History:
Years Active: 1990
Title: Innovations by Hollis D MacEwen
Introduction
Hollis D MacEwen is a notable inventor based in Mississauga, Canada. He has made significant contributions to the field of wood pulp bleaching through his innovative processes. His work has been recognized for its potential to improve the efficiency and effectiveness of bleaching methods.
Latest Patents
Hollis D MacEwen holds a patent for a process titled "High consistency peroxide bleaching." This process involves the bleaching of wood pulp using hydrogen or sodium peroxide. The method includes adding a bleach liquor containing an effective amount of the bleaching agent along with specific percentages of sodium hydroxide, sodium silicate, magnesium sulfate, and a chelating agent. The process aims to produce a pulp consistency suitable for bleaching while effectively sequestering heavy metal ions.
Career Highlights
MacEwen has worked with Abitibi-Price, Inc., where he has applied his expertise in pulp and paper technology. His innovative approach to bleaching processes has contributed to advancements in the industry. He has been recognized for his ability to develop methods that enhance the quality of wood pulp while minimizing environmental impact.
Collaborations
Hollis D MacEwen has collaborated with notable colleagues such as Philip Whiting and Adele M Rhodes. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the field.
Conclusion
Hollis D MacEwen's contributions to the wood pulp bleaching industry demonstrate his commitment to innovation and sustainability. His patented processes reflect a deep understanding of chemical interactions and their applications in industrial settings. His work continues to influence the field and inspire future advancements.