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Eka Nobel Ab

USPTO Granted Patents = 102

CIPO Patents = 2

Trademarks = 3

Forward Citations = 1,388

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138 inventors (with patents filed for the assignee):

Hans E Johansson (8 out of 17 patents)

Birgitta Sundblad (7 out of 8 patents)

Maria Norell (6 out of 6 patents)

4. Marek T Tokarz (6 out of 17 patents)

5. Jiri J Basta (6 out of 7 patents)

6. Erik Lindgren (5 out of 24 patents)

7. Bo V Larsson (5 out of 6 patents)

8. Domingo Sanchez (5 out of 11 patents)

9. Sven G Jaras (5 out of 6 patents)

10. Per L Moller (5 out of 5 patents)

11. Jorgen Engstrom (5 out of 5 patents)

12. Johan Landfors (4 out of 11 patents)

13. Lillemor K Holtinger (4 out of 4 patents)

14. Hans Olof Lagnemo (3 out of 19 patents)

15. Kjell Rune Andersson (3 out of 6 patents)

Core Competencies:

Chlorine Dioxide Production

Lignocellulose Bleaching

Chiral Adsorbents

Electrodialysis Treatment

Silica Sols in Papermaking

Hydrogen Peroxide Production

Pulp Delignification

Aqueous Compositions for Sizing

Acidity Control in Chlorine Dioxide

Ketene Dimers Production

Process Water Purification

Organic Solvent Reduction

102 patents: Sort by Forward Citations

1. 6585950 - Method of producing chlorine dioxide (2003-07-01),

2. 6398908 - Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound (2002-06-04),

3. 6333426 - Chiral adsorbents and preparation thereof as well as compounds on which the absorbents are based and preparation of the compounds (2001-12-25),

4. 6277782 - Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds (2001-08-21),

5. 6224944 - Method of protecting a surface (2001-05-01),

6. 6074529 - Method for reducing the content of organic solvent in cellulose-reactive (2000-06-13),

7. 6007678 - Process for delignification of lignocellulose-containing pulp with an (1999-12-28),

8. 5925588 - Production of hydrogen peroxide (1999-07-20),

9. 5846898 - Production of hydrogen peroxide (1998-12-08),

10. 5792313 - Method for evaporating process wastewater (1998-08-11),

11. 5785812 - Process for treating oxygen delignified pulp using an organic peracid or (1998-07-28),

12. 5776347 - Method for reducing the content of organic solvent in cellulose-reactive (1998-07-07),

13. 5680321 - Method of quantifying the properties of paper (1997-10-21),

14. 5680320 - Method of quantifying performance chemicals in pulp and paper (1997-10-21),

15. 5674466 - Method of producing chlorine dioxide (1997-10-07),

Eka Nobel AB is a leading global chemical company, specializing in the production and distribution of high-quality industrial chemicals. With a history dating back to the 19th century, the company offers a wide range of products, including specialty chemicals, performance coatings, and industrial materials. Eka Nobel's commitment to innovation, sustainability, and customer satisfaction drives its success in various industries, such as automotive, electronics, construction, and pharmaceuticals.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

102 Patents

#1 in Bohus

#75 in Sweden

#7,415 in the World

Eka Nobel Ab

Forward Citations = 1,388

138 inventors:

Hans E Johansson (8 out of 17 patents)

Birgitta Sundblad (7 out of 8 patents)

Maria Norell (6 out of 6 patents)

4. Marek T Tokarz (6 out of 17 patents)

5. Jiri J Basta (6 out of 7 patents)

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