Company Filing History:
Years Active: 1982-1989
Title: **Jacques Dunnigan: Innovator in Asbestos Fiber Technology**
Introduction
Jacques Dunnigan, an inventor based in Sherbrooke, Canada, is recognized for his contributions to the field of asbestos fiber technology. With a total of two patents to his name, Dunnigan has developed innovative solutions focused on health and environmental safety.
Latest Patents
Dunnigan's most recent patent, titled "Filter for removing cancer-causing compounds from exhaust fumes," presents a novel method for mitigating industrial pollution. This invention employs a bed of dry porous pellets made from a unique mixture of natural magnesium silicate, including short chrysotile asbestos fibers and attapulgite. This innovative filter effectively adsorbs particulate and gaseous pollutants from exhaust materials, significantly reducing harmful emissions.
His second patent focuses on "Phosphated asbestos fibers," disclosing chemically modified chrysotile asbestos fibers that contain 0.5 to 5% by weight phosphate groups. These heat-treated fibers are noteworthy for their infrared spectrum, showing no absorption in the range of 954-1080 cm^-1. The resulting phosphated fibers are characterized by reduced hemolytic and cytotoxic activities, enhancing their safety profile for industrial use.
Career Highlights
Dunnigan has worked with notable organizations, including Société Nationale de l’Amiante and L’Institut de l’Amiante. These associations have provided him with valuable experience in the field, allowing him to apply his innovative ideas within established frameworks.
Collaborations
Throughout his career, Dunnigan has collaborated with several distinguished professionals, including Jean M. Lalancette and Hugues Menard. Their combined expertise has likely contributed to the successful development of Dunnigan's patents and innovations.
Conclusion
Jacques Dunnigan’s work epitomizes the spirit of innovation in addressing environmental and health-related challenges within the industry. His patents reflect a commitment to creating safer technologies and improving air quality, marking significant strides in the realm of industrial science. As more professionals follow in his footsteps, the landscape of invention continues to evolve, driven by the visionaries like Dunnigan committed to a healthier future.