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For the Inventor, By the Inventor

Perstorp, Sweden

Perstorp Ab


USPTO Granted Patents = 125

% Expired Patents = 2.4



Trademarks = 6

Forward Citations = 1,984

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125 inventors (with patents filed for the assignee):

goldMedal Matti Siren (16 out of 25 patents)

silverMedal Kent Sorensen (8 out of 8 patents)

bronzeMedal Karl-Gustaf Kristoffersson (7 out of 7 patents)

4.  Jean Michel Provot (7 out of 7 patents)

5.  Nicola Rehnberg (6 out of 8 patents)

6.  Bo Pettersson (5 out of 6 patents)

7.  Lars Persson (5 out of 5 patents)

8.  Carl-Axel E Sjogreen (5 out of 5 patents)

9.  Witold Orlowski (4 out of 4 patents)

10.  Jiri K Konicek (4 out of 4 patents)

11.  Arne P Darnell (4 out of 7 patents)

12.  Pia Wennerberg (3 out of 3 patents)

13.  Filip Van Immerseel (3 out of 9 patents)

14.  Richard Ducatelle (3 out of 11 patents)

15.  Karolien Van Driessche (3 out of 3 patents)


Core Competencies:
Hydroformylation
Thermosetting Laminate
Polymer Composition
Additive Manufacturing
Animal Feed Additive
Inhibited Deicing Composition
Dendritic Macromolecule
Pharmaceutical Composition
Lubricant Ester
Refractory Material
Acrylic Compound
Container Design

125 patents:

1. 12630736 - Nanoemulsions, methods of their production and related uses and products (2026-05-19),
2. 12122743 - Use of an epoxide in order to reduce the formation of heavy ends in a hydroformylation process (2024-10-22),
3. 11981629 - Method for reducing heavy end formation and catalyst loss in a hydroformylation process (2024-05-14),
4. 11981628 - Use of a method for reduction of heavy end formation and catalyst loss in a hydroformylation process comprising a bidentate phosphite ligand (2024-05-14),
5. 11548972 - Oligomer or polymer and composition comprising the same (2023-01-10),
6. 11130874 - Hybrid photopolymer composition for additive manufacturing (2021-09-28),
7. 11089800 - Animal feed additive effective as broad-spectrum preservative (2021-08-17),
8. 10882814 - Method for producing an ester (2021-01-05),
9. 10815361 - Non-phthalic plasticiser (2020-10-27),
10. 10781348 - Inhibited aqueous deicing composition (2020-09-22),
11. 10576052 - Composition preventing bacterial inflammation in monogastric animals (2020-03-03),
12. 10501573 - Radiation curing composition (2019-12-10),
13. 10420745 - Composition inhibiting gram-positive, pathogenic bacteria (2019-09-24),
14. 10167359 - Radiation curing coating composition (2019-01-01),
15. 10077275 - Process for production of a spiroglycol (2018-09-18),
Perstorp AB is a global specialty chemicals company that provides high-quality products and solutions for a wide range of industries. With a focus on innovation and sustainability, they offer products in areas such as chemicals, coatings, plastics, and more. Their dedication to customer satisfaction and commitment to research and development has made them a trusted partner in the industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Perstorp Ab
125 Patents

#1 in Perstorp

#63 in Sweden

#6,390 in the World

Perstorp, SE
Perstorp, Sweden

Perstorp Ab

Forward Citations = 1,984

125 inventors:

goldMedal Matti Siren (16 out of 25 patents)

silverMedal Kent Sorensen (8 out of 8 patents)

bronzeMedal Karl-Gustaf Kristoffersson (7 out of 7 patents)

4.  Jean Michel Provot (7 out of 7 patents)

5.  Nicola Rehnberg (6 out of 8 patents)

Please report any incorrect information to [email protected]
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