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EPO Patents = 1

Forward Citations = 38

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7 inventors (with patents filed for the assignee):

Bengt H Nilsson (8 out of 25 patents)

Lars Stigsson (4 out of 10 patents)

Ragnar Tegman (1 out of 1 patent)

4. Ingvar Landälv (1 out of 1 patent)

5. Mats Lindblom (1 out of 1 patent)

6. Per Alström (1 out of 1 patent)

7. Nils Bernhard (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 9175439 - Method for arranging a chemical barrier in a gasifying reactor for black liquor, a chemical gasifying reactor, a barrier layer of a reactor and a method for manufacturing a building block for such a barrier layer (2015-11-03),

2. 7294225 - Process for production of synthesis gas in combination with the maintenance of the energy balance for a pulp mill (2007-11-13),

3. 7217302 - Process for cooling solid and gaseous material during gasification of spent liquor (2007-05-15),

4. 6790246 - Apparatus for gasification of spent liquor (2004-09-14),

5. 6780211 - Device for gasification of spent liquor (2004-08-24),

6. 6500301 - Apparatus for gasification of spent liquor (2002-12-31),

7. 5683549 - Process for the partial combustion of cellulose spent liquor using twin (1997-11-04),

8. 5660685 - Gasifying black liquor with recycling of generated hydrogen sulphide gas (1997-08-26),

9. 5556605 - Method of seperating sulphur compounds (1996-09-17),

10. 5556602 - Device in a reactor for gasifying spent liquor (1996-09-17),

11. 5486269 - Gasification of carbonaceous material in a reactor having a gasification (1996-01-23),

12. 5370771 - Process for recovering energy and chemicals from spent liquor using low (1994-12-06),

13. 5352333 - Process for the partial combustion of cellulose spent liquor using (1994-10-04),

14. 5205908 - Purification of process gas from a partial combustion of black liquor (1993-04-27),

Chemrec Aktiebolag is a Swedish company specializing in developing and commercializing technology for producing biofuels and renewable chemicals. With a strong focus on sustainability, Chemrec aims to play a significant role in the transition towards a more environmentally friendly energy sector.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

14 Patents

#59 in Stockholm

#422 in Sweden

#40,905 in the World

Stockholm, Sweden

Chemrec Aktiebolag