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Eka Chemicals Ab

USPTO Granted Patents = 35

CIPO Patents = 3

EPO Patents = 25

Trademarks = 15

Forward Citations = 243

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101 inventors (with patents filed for the assignee):

Hans Olof Lagnemo (6 out of 19 patents)

Monica Jigstam (6 out of 6 patents)

Hans E Johansson (5 out of 17 patents)

4. Michael Persson (3 out of 17 patents)

5. Raphaël Duval (3 out of 5 patents)

6. Erik Lindgren (3 out of 24 patents)

7. Kjell Rune Andersson (2 out of 6 patents)

8. Sven-Eric Lunner (2 out of 6 patents)

9. Hubert Leveque (2 out of 5 patents)

10. Johan Landfors (2 out of 11 patents)

11. Maria Norell (2 out of 6 patents)

12. Ingemar Thebrin (2 out of 3 patents)

13. Anders Waleij (2 out of 2 patents)

14. Troy Berglind (2 out of 3 patents)

15. Charlotte Angel (2 out of 2 patents)

35 patents: Sort by Forward Citations

1. 9156990 - Filler for papermaking process (2015-10-13),

2. 7825240 - Cross-linked polymers based on bis-silane, bis-thioether, bis-sulphoxide, bis-sulphone and butane-di-yl derivatives of polysaccharides and oligosaccharides, and their shaping as support materials (2010-11-02),

3. 7576034 - Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereof (2009-08-18),

4. 7067640 - Cross-linked chiral compounds and methods of making thereof (2006-06-27),

5. 6255272 - Bleaching agent (2001-07-03),

6. 6174383 - Method at treatment of metals (2001-01-16),

7. 6113741 - Process for the production of paper (2000-09-05),

8. 6103064 - Process for the production of paper (2000-08-15),

9. 6100322 - Process for the production of paper (2000-08-08),

10. 6087457 - Surface sizing of cellulose based products (2000-07-11),

11. 6083347 - Absorbent material and production thereof (2000-07-04),

12. 6071431 - Bleaching agent (2000-06-06),

13. 5985235 - Method of treating a catalyst (1999-11-16),

14. 5961948 - Method of producing hydrogen peroxide (1999-10-05),

15. 5961803 - Leaching process (1999-10-05),

Eka Chemicals Ab is a leading global supplier of chemical solutions for several industries. With a strong emphasis on sustainability and innovation, Eka Chemicals offers a wide range of products to customers worldwide. Their expertise spans across areas such as pulp and paper, mining, water treatment, and more. Through cutting-edge technology and a commitment to customer satisfaction, Eka Chemicals Ab strives to provide high-quality and eco-friendly solutions to meet the demands of the modern world.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

35 Patents

#2 in Bohus

#179 in Sweden

#18,568 in the World

Eka Chemicals Ab

Forward Citations = 243

101 inventors:

Hans Olof Lagnemo (6 out of 19 patents)

Monica Jigstam (6 out of 6 patents)

Hans E Johansson (5 out of 17 patents)

4. Michael Persson (3 out of 17 patents)

5. Raphaël Duval (3 out of 5 patents)

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