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Stenungsund, Sweden

Berol Kemi Ab

USPTO Granted Patents = 48

Trademarks = 3

Forward Citations = 845

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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. Stig Allenmark (3 out of 5 patents)

10. Lars Edebo (3 out of 4 patents)

11. Magnus Lindstedt (3 out of 3 patents)

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

13. Marie Ernstsson (3 out of 3 patents)

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

15. Borje Nystrom (2 out of 2 patents)

Core Competencies:

Froth Flotation

Microemulsion

Disinfection

Polyurethane Foam

Textile Softening

Cellulose Derivatives

Metal Extraction

Carbonaceous Materials

Surfactants

Catalysts

Detergent Composition

Aqueous Slurry

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, based in Stenungsund, Sweden, specializes in the development and manufacturing of advanced chemical solutions. The company focuses on a diverse range of technology topics including microbicides, cellulose derivatives, and surfactants, catering to various industries such as textiles and diagnostics. Their expertise extends to froth flotation, polyurethane foam, and metal ion removal, positioning them as a key player in providing innovative solutions for complex chemical challenges.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

48 Patents

#1 in Stenungsund

#142 in Sweden

#14,527 in the World

Stenungsund, Sweden

Berol Kemi Ab

Forward Citations = 845

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)

Please report any incorrect information to [email protected]

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