This inventor holds 2 USPTO granted patents. Top assignees: Kemira Agro Oy, Other. Active years: 1997-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1997-1998
Title: Markku Niemi: Innovator in Chemical Processes
Introduction
Markku Niemi is a notable inventor based in Espoo, Finland. He has made significant contributions to the field of chemical processes, holding a total of 2 patents. His work focuses on innovative methods for synthesizing valuable chemical compounds.
Latest Patents
Niemi's latest patents include a process for selective desulfonation and a method for preparing 4-alkyl-2-hydroxy-3,5-dichlorobenzene sulphonic acids. The first patent describes a process for the preparation of m-alkylphenols, particularly 3-ethylphenol, from a mixture of alkylbenzenesulfonic acid isomers. This process involves selective desulfonation, removal of formed alkylbenzene, and caustic fusion. The inventive desulfonation is achieved by adding steam to the mixture of sulfonic acid while maintaining the temperature above 160°C until the desired purity of isomers is obtained. The second patent outlines a method for preparing 4-alkyl-2-hydroxy-3,5-dichlorobenzene sulphonic acids by sulphonating 4-chloro-3-alkylphenol and chlorinating the resulting compounds in an acidic reaction mixture.
Career Highlights
Throughout his career, Markku Niemi has worked with various companies, including Kemira Agro Oy. His experience in the chemical industry has allowed him to develop innovative solutions that address complex challenges in chemical synthesis.
Collaborations
Niemi has collaborated with notable professionals in his field, including Elias U Suokas and Pekka Somersalo. These collaborations have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Markku Niemi is a distinguished inventor whose work in chemical processes has led to valuable patents and innovative methods. His contributions continue to impact the field and inspire future advancements in chemical synthesis.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile