% Expired Patents = 14.3

Trademarks = 5

Forward Citations = 131

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12 inventors (with patents filed for the assignee):

Joel Tenney (2 out of 13 patents)

Michael Burke (1 out of 2 patents)

Gary Charles (1 out of 2 patents)

4. Raphaël Duval (1 out of 5 patents)

5. Hubert Leveque (1 out of 5 patents)

6. Gunilla Jadesjö (1 out of 1 patent)

7. Cecilia Bojrup Andresen (1 out of 2 patents)

8. Kaj Kangasniemi (1 out of 1 patent)

9. Johan Landfors (1 out of 11 patents)

10. Helena Falgén (1 out of 1 patent)

11. John D Rushmere (1 out of 19 patents)

12. John C Sokol (1 out of 3 patents)

7 patents: Sort by Forward Citations

1. 7597804 - Optically active support materials, their method of preparation and their uses (2009-10-06),

2. 7070710 - Chemical composition and method (2006-07-04),

3. 6790427 - Process for producing chlorine dioxide (2004-09-14),

4. 6576213 - Method of producing chlorine dioxide (2003-06-10),

5. 5908532 - Method of converting chlorine dioxide present in a gaseous stream from a (1999-06-01),

6. 5565182 - Process of producing chlorine dioxide (1996-10-15),

7. 5176891 - Polyaluminosilicate process (1993-01-05),

Company Overview

Eka Chemicals is a global leader in specialty chemicals and ingredients for industrial applications. With a focus on sustainability and innovation, the company offers a wide range of products and solutions for various industries including pulp and paper, water treatment, and oil and gas. With a commitment to excellence and customer satisfaction, Eka Chemicals strives to deliver high-quality products and services that meet the needs of its clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#2 in Bohus

#811 in Sweden

Bohus, Sweden

Eka Chemicals

Forward Citations = 131

12 inventors:

Joel Tenney (2 out of 13 patents)

Michael Burke (1 out of 2 patents)

Gary Charles (1 out of 2 patents)

4. Raphaël Duval (1 out of 5 patents)

5. Hubert Leveque (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eka Chemicals. Retrieved from https://idiyas.com/company/eka-chemicals

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

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]