Tucson, AZ, United States of America

Joseph M Sierakoski

This inventor holds 2 USPTO granted patents. Top assignee: Henkel Corporation. Active years: 1985-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph M Sierakoski. Retrieved from https://idiyas.com/inventor/joseph-m-sierakoski

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 75(Granted Patents)


Company Filing History:


Years Active: 1985-1986

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2 patents (USPTO):Explore Patents

Title: Joseph M Sierakoski: Innovator in Solvent Extraction Processes

Introduction

Joseph M Sierakoski is a notable inventor based in Tucson, AZ. He has made significant contributions to the field of solvent extraction processes, particularly in the recovery of metal values such as zinc and copper. With a total of 2 patents, Sierakoski's work has implications for both industrial applications and environmental sustainability.

Latest Patents

Sierakoski's latest patents include a solvent extraction process for the recovery of zinc. This innovative method utilizes specific alkylsalicylaldoximes or acetophenoximes as extractants to recover zinc values from aqueous ammoniacal solutions. The process also allows for the separation of zinc and copper values, which are recovered separately through pH-controlled stripping. Another patent focuses on the formulation of reagents that combine selected hydroxy aryl ketoxime and hydroxyl aryl aldoxime extractants. This formulation enhances the efficiency of metal recovery, particularly for copper, by optimizing kinetic and equilibrium conditions.

Career Highlights

Joseph M Sierakoski is currently employed at Henkel Corporation, where he continues to innovate in the field of solvent extraction. His work has been instrumental in developing processes that improve the recovery of valuable metals, contributing to more efficient industrial practices.

Collaborations

Sierakoski has collaborated with notable colleagues, including R Brantley Sudderth and Gary Alan Kordosky. These partnerships have fostered a collaborative environment that enhances the development of innovative extraction processes.

Conclusion

Joseph M Sierakoski is a distinguished inventor whose work in solvent extraction processes has made a significant impact on the recovery of metal values. His contributions continue to advance the field and promote sustainable practices in metal recovery.

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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