Helsinki, Finland

Kari I Keskinen

This inventor holds 3 USPTO granted patents and 1 published patent application, plus 3 CIPO patents and 3 EPO patents. Top assignees: Neste Oil Oyj, Neste Oyj. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kari I Keskinen. Retrieved from https://idiyas.com/inventor/kari-i-keskinen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 3 

% Patents Active = 66.7


 

Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2012-2016

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3 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kari I Keskinen

Introduction

Kari I Keskinen, an accomplished inventor based in Helsinki, Finland, has established himself as a significant contributor to advancements in gas purification and hydrocarbon production technologies. With a total of three patents to his name, Keskinen's work showcases his commitment to innovation in the field of environmental engineering.

Latest Patents

Keskinen's latest patents highlight two groundbreaking methods aimed at improving gas treatment processes. The first patent is a "Two-stage gas washing method applying sulfide precipitation and alkaline absorption." This method focuses on hydrocarbon production through gasification of carbonaceous material. It introduces a two-stage gas washing approach for effectively removing hydrogen sulfide and carbon dioxide from synthesis gas, making it particularly useful in biomass to liquid (BTL) processes.

The second patent, titled "Method of purifying gas streams," details a process for purifying gas formed from the conversion of glyceride-containing raw materials into hydrocarbon paraffins. This innovative approach allows the gas stream, which includes hydrogen or carbon dioxide along with sulphurous impurities, to be treated with an acidic aqueous solution of transition metal ions. This method efficiently binds sulphide compounds into insoluble transition metal sulphide compounds, resulting in a purified gas with significantly reduced sulphide concentrations. Furthermore, it is designed for industrial-scale implementation with low investment costs and allows for metal recovery.

Career Highlights

Throughout his career, Kari I Keskinen has worked with prominent companies within the industry, notably Neste Oil Oyj and Neste Oyj. His experiences in these organizations have shaped his expertise and provided a robust foundation for his inventive endeavors.

Collaborations

Keskinen's innovative journey has often been supported by collaborations with talented individuals in the field. Notably, he has worked alongside colleagues such as Juhani Aittamaa and Jan Wahlström, fostering a collaborative environment that promotes creativity and the sharing of ideas.

Conclusion

Kari I Keskinen continues to stand out as a key figure in the realm of gas purification and hydrocarbon technology innovation. With his patent portfolio reflecting a dedication to addressing environmental challenges, his contributions are likely to have a lasting impact on the industry and inspire future advancements in sustainable engineering practices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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