Location History:
- Ste-Foy, CA (1993 - 1995)
- Sainte-Foy, CA (2005)
Company Filing History:
2 out of 123 
1 out of 3 Years Active: 1993-2024
Title: Rajeshwar D Tyagi: Innovator in Sustainable Processes
Introduction
Rajeshwar D Tyagi is a notable inventor based in Ste-Foy, Canada. He has made significant contributions to the field of sustainable processes, particularly in the production of biodegradable materials and the decontamination of waste. With a total of 4 patents to his name, his work is recognized for its innovative approaches to environmental challenges.
Latest Patents
One of his latest patents is focused on the "Production of polyhydroxyalkanoates from pulp and paper waste streams." This process involves providing a waste stream that contains lignocellulosic materials, adding a calcium-containing mineral, and heat-treating the mixture. The treated waste stream is then fermented using PHA-producing microorganisms to produce polyhydroxyalkanoates (PHA), which are valuable biodegradable plastics.
Another significant patent is the "Hybrid chemical and biological process for decontaminating sludge from municipal sewage." This invention outlines a method for treating sludge that contains heavy metals and pathogenic microorganisms. The process includes mixing the sludge with an acidic leaching solution, maintaining specific oxidation-reduction conditions, and performing liquid-solid separation to recover decontaminated sludge while preserving essential fertilizing elements.
Career Highlights
Rajeshwar has worked with esteemed organizations such as the National Institute of Scientific Research and the National Research Institute. His experience in these institutions has allowed him to develop and refine his innovative processes, contributing to advancements in environmental sustainability.
Collaborations
Throughout his career, Rajeshwar has collaborated with notable colleagues, including Jean-Francois Blais and Nathalie Meunier. These partnerships have fostered a collaborative environment that enhances the development of innovative solutions.
Conclusion
Rajeshwar D Tyagi's work exemplifies the intersection of innovation and sustainability. His patents reflect a commitment to addressing environmental issues through scientific advancements. His contributions are paving the way for a more sustainable future.