For the Inventor, By the Inventor

Enter assignee name

Perstorp, Sweden

Perstorp Specialty Chemicals Ab

USPTO Granted Patents = 10

CIPO Patents = 3

EPO Patents = 15

Trademarks = 1

Forward Citations = 48

Loading Chart...

Loading Chart...

24 inventors (with patents filed for the assignee):

David James (4 out of 8 patents)

Hakan Bjornberg (3 out of 6 patents)

Birger Midelf (3 out of 3 patents)

4. Bo Henrik Haggman (2 out of 3 patents)

5. Thomas Haas (1 out of 94 patents)

6. Esko Karvinen (1 out of 3 patents)

7. Kent Sörensen (1 out of 3 patents)

8. Jukka Hietala (1 out of 13 patents)

9. Christoffer Paulsson (1 out of 2 patents)

10. Nicola Rehnberg (1 out of 8 patents)

11. Juha Lehtonen (1 out of 3 patents)

12. Joni Kunnas (1 out of 1 patent)

13. Merja Harteva (1 out of 1 patent)

14. Goran Axelsson (1 out of 1 patent)

15. Par Fredholm (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 8178729 - Hydroformylation process (2012-05-15),

2. 8158822 - Process for producing potassium formate (2012-04-17),

3. 7872057 - Dual cure composition (2011-01-18),

4. 7799874 - Catalytic compositions (2010-09-21),

5. 7628934 - Deicing composition and use thereof (2009-12-08),

6. 7569736 - Process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process (2009-08-04),

7. 7186771 - Air drying waterborne resin composition (2007-03-06),

8. 7176264 - Process for manufacture of a dendritic polyether (2007-02-13),

9. 7091308 - Chain extended dendritic polyether (2006-08-15),

10. 6265623 - Process for the reductive cleavage of linear and cyclic acetals especially formals (2001-07-24),

Perstorp is a leading specialty chemicals company providing high-quality products and solutions for a wide range of industries. With a strong focus on innovation and sustainability, Perstorp offers a diverse portfolio of chemical products, including plastics, coatings, and specialty additives. The company is committed to delivering value to its customers through continuous improvement and a customer-centered approach.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

10 Patents

#2 in Perstorp

#573 in Sweden

#54,348 in the World

Perstorp, Sweden

Perstorp Specialty Chemicals Ab

Forward Citations = 48

24 inventors:

David James (4 out of 8 patents)

Hakan Bjornberg (3 out of 6 patents)

Birger Midelf (3 out of 3 patents)

4. Bo Henrik Haggman (2 out of 3 patents)

5. Thomas Haas (1 out of 94 patents)

Please report any incorrect information to support@idiyas.com

Loading…