This inventor holds 3 USPTO granted patents. Top assignees: Ecc International Limited, Other. Active years: 1996-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- St. Austell, GB (1996 - 1998)
- St Austell Cornwall PL25 3NA, GB (2000)
Company Filing History:

Years Active: 1996-2000
Title: Hannu Olavi Toivonen: Innovator in Waste Paper Treatment
Introduction
Hannu Olavi Toivonen is a notable inventor based in St. Austell, GB. He has made significant contributions to the field of waste paper treatment, holding a total of 3 patents. His innovative methods focus on improving the efficiency of waste paper recycling processes.
Latest Patents
Toivonen's latest patents include a method for treating reject from a plant for de-inking waste paper. This method involves chemically treating an aqueous suspension of reject material, which contains ink particles, inorganic particles, and fibers. By adding alkaline earth metal ions and carbonate ions, a composite particulate material is formed, which helps reduce the darkness of the reject. Another significant patent is a process for separating fine solids from water in the used water recovery system of a sheet forming mill. This process allows for the recovery of both water and fine solid materials, enhancing the recycling capabilities of paper and board forming machines.
Career Highlights
Throughout his career, Toivonen has worked with various companies, including Ecc International Limited. His expertise in waste treatment processes has positioned him as a valuable contributor to advancements in the recycling industry.
Collaborations
Toivonen has collaborated with professionals in his field, including Ian Stuart Bleakley, to further develop innovative solutions for waste management.
Conclusion
Hannu Olavi Toivonen's work in waste paper treatment exemplifies the importance of innovation in recycling processes. His patents reflect a commitment to improving environmental sustainability through effective waste management techniques.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile