This inventor holds 7 USPTO granted patents. Top assignees: General Electric Company, Illa International, L.l.c., General Electric Company and Illa International. Active years: 1996-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 52,387 
3 out of 13 
1 out of 1 Years Active: 1996-2001
Title: Andrei K Griaznov: Innovator in Chemical Processes
Introduction
Andrei K Griaznov is an accomplished inventor based in St. Petersburg, Russia, known for his significant contributions to the field of chemical engineering. With a portfolio that boasts seven patents, Griaznov has made remarkable strides in the production of important chemical compounds.
Latest Patents
His latest patents focus on an improved method for producing phenol and acetone from cumene. The first patent, titled "Process for the production of phenol and acetone from cumene," describes a process that enhances the oxidation of cumene into technical cumol hydroperoxide (CHP) through catalytic cleavage. This innovative method allows for a concentration of oxidation products, achieving a cumene content ranging from 21 to 30 wt % in CHP, which is essential for subsequent catalytic processes.
Another significant patent, "High selective method of phenol and acetone production," details a two-stage process for the cleavage of technical cumene hydroperoxide into phenol, acetone, and alpha-methylstyrene. The first stage focuses on maintaining a balanced heat generation and removal rate in the CHP cleavage reactors, ensuring the process occurs under isothermal conditions at temperatures between 47-50°C. The second stage involves cleavage carried out in a multi-section plug-flow reactor, where temperature increases are carefully controlled using thermocouples.
Career Highlights
Throughout his career, Andrei K Griaznov has contributed to notable companies such as General Electric Company and Illa International, LLC. His work at these organizations has played a vital role in advancing chemical manufacturing processes.
Collaborations
Griaznov's innovation journey has been supported by talented colleagues, including Irina I Vasilieva and Vladimir M Zakoshansky. Their collaboration has enriched the research and development efforts in the chemical engineering sector.
Conclusion
Andrei K Griaznov stands out as a prominent figure in the field of chemical innovations, with his patents demonstrating a commitment to improving production processes for essential chemicals. His work not only showcases his expertise but also contributes significantly to advancements in chemical engineering, reflecting his status as an influential inventor in his field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile