For the Inventor, By the Inventor

Enter assignee name

Eka Nobel Ab

USPTO Granted Patents = 102

CIPO Patents = 2

Trademarks = 3

Forward Citations = 1,400

Loading Chart...

Loading Chart...

136 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

Hydrogen Peroxide

Pulp Bleaching

Acid Bleaching

Chiral Adsorbents

Silica Sols

Cellulose Fiber

Electrodialysis

Organic Peracid

Wastewater Treatment

Acidity Control

Alkali Metal Chlorate

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, headquartered in Surte, Sweden, specializes in the production of chlorine dioxide and related chemical technologies. The company focuses on innovative solutions for pulp bleaching, utilizing advanced methods such as acid bleaching and electrodialysis. Additionally, Eka Nobel develops chiral adsorbents and silica sols, contributing to various industrial applications. Their expertise in cellulose fiber processing further enhances their position in the market, making them a key player in the field of chemical manufacturing and environmental sustainability.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

102 Patents

#1 in Surte

#75 in Sweden

#7,641 in the World

Eka Nobel Ab

Forward Citations = 1,400

136 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)

Please report any incorrect information to [email protected]

Loading…