Company Filing History:
Years Active: 1980-1983
Title: The Innovations of James A. Hyde: A Pioneer in Pulp Refining
Introduction: James A. Hyde is a notable inventor based in Downers Grove, IL, USA, recognized for his contributions to the pulp refining industry. With two patents to his name, Hyde has demonstrated innovative thinking and dedication to improving processes within his field.
Latest Patents: Hyde's latest patents include a "Pulp refining process and additive therefor," which introduces an additive aimed at reducing brightness loss during pulp refining. This invention combines at least one anionic polymeric compound with at least one inorganic polymer, particularly favoring combinations that feature low molecular weight anionic polymeric compounds. The preferred inorganic polyphosphates used in this inventive process have average polymerization numbers ranging from about 10 to about 45. Additionally, the invention specifies a weight proportion of inorganic polyphosphate to anionic polymeric compound within the range of about 1:10 to 10:1. Moreover, the process involves adding the additive in sufficient amounts, typically between about 0.0025 to 0.5 weight percent of active ingredients to dry pulp, to effectively diminish brightness loss.
Another significant patent by Hyde focuses on "Chemical treatments in bleaching stages which increase pulp brightness." This method presents a solution for enhancing the final brightness of pulp that has been contaminated with iron or manganese during a chlorine bleaching process. The method entails treating the pulp with a minimum of 0.1 lbs. per ton of a water-soluble chelating agent, ensuring improved results in bleach stages.
Career Highlights: Hyde's professional journey has been marked by his work at Nalco Chemical Company, where he has contributed to advancements in chemical treatments for pulp refining. His research and inventive spirit reflect a commitment to excellence in his industry.
Collaborations: Throughout his career, James A. Hyde has worked closely with talented colleagues, including Michael D. Breslin and David R. Cosper. These collaborations have no doubt enriched his work and contributed to the development of effective solutions in pulp refining processes.
Conclusion: James A. Hyde stands out as an influential figure in the field of pulp refining, with inventions that provide valuable improvements to industry practices. His latest patents not only address current challenges but also pave the way for further innovations in the sector. With his expertise and collaborative efforts, Hyde continues to make a significant impact on the industry.