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Stenungsund, Sweden

Berol Kemi Ab

USPTO Granted Patents = 48

Trademarks = 3

Forward Citations = 842

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59 inventors (with patents filed for the assignee):

Karl M Hellsten (13 out of 18 patents)

Krister A Holmberg (5 out of 16 patents)

Martin Hellsten (5 out of 15 patents)

4. Juhan Koll (4 out of 4 patents)

5. Bo T Idstrom (4 out of 4 patents)

6. Lars I Gillberg (4 out of 4 patents)

7. Gunvor B Karlsson (4 out of 4 patents)

8. Mait M Mathiesen (4 out of 5 patents)

9. Anders W Klingberg (3 out of 3 patents)

10. Marie Ernstsson (3 out of 3 patents)

11. Stig Allenmark (2 out of 5 patents)

12. Eva M Andreasson (2 out of 2 patents)

13. Borje Nystrom (2 out of 2 patents)

14. Eva M Osterberg (2 out of 3 patents)

15. Finn Egeli (2 out of 2 patents)

48 patents: Sort by Forward Citations

1. 5204060 - Method for disinfection (1993-04-20),

2. 5080902 - Article and a prophylactic composition containing a microbicide (1992-01-14),

3. 5047197 - Cellulose derivative spinning solutions having improved processability (1991-09-10),

4. 4992587 - Process of using a ruthenium-promoted, halogen-containing, nickel and/or (1991-02-12),

5. 4990269 - Surface active compound, a microemulsion containing said compound and (1991-02-05),

6. 4976919 - Method for mechanically working cobalt-containing metal (1990-12-11),

7. 4887383 - Process for producing a slurry of a pulverized carbonaceous material (1989-12-19),

8. 4876122 - Package capable of preventing foam formation, method of manufacturing (1989-10-24),

9. 4863890 - Process for preparing a ruthenium-promoted, halogen-containing nickel (1989-09-05),

10. 4855505 - Promoted nickel and/or cobalt catalyst, its use, and process performed (1989-08-08),

11. 4839287 - Process for the transesterification of triglycerides in an aqueous (1989-06-13),

12. 4831176 - Ether phosphonate surfactants having branched hydrophobic tails and (1989-05-16),

13. 4830739 - Process and composition for the froth flotation beneficiation of iron (1989-05-16),

14. 4828687 - Froth flotation process and collector therefor (1989-05-09),

15. 4795578 - Process and composition for the froth flotation beneficiation of iron (1989-01-03),

Berol Kemi Ab is a chemical manufacturing company specializing in the production of high-quality industrial chemicals. With years of experience, Berol Kemi Ab has established itself as a trusted partner in various industries, providing innovative solutions and exceptional customer service. Visit our website to learn more about our wide range of products and services.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

48 Patents

#1 in Stenungsund

#136 in Sweden

#14,104 in the World

Stenungsund, Sweden

Berol Kemi Ab

Forward Citations = 842

59 inventors:

Karl M Hellsten (13 out of 18 patents)

Krister A Holmberg (5 out of 16 patents)

Martin Hellsten (5 out of 15 patents)

4. Juhan Koll (4 out of 4 patents)

5. Bo T Idstrom (4 out of 4 patents)

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