% Expired Patents = 60.0

Forward Citations = 28

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13 inventors (with patents filed for the assignee):

Tapio Vihervaara (2 out of 5 patents)

Kari Luukkonen (2 out of 4 patents)

Veikko Niinivaara (2 out of 3 patents)

4. Anna-Liisa Tammi (1 out of 4 patents)

5. Markku Nurminen (1 out of 5 patents)

6. Claes Zetter (1 out of 8 patents)

7. Mari Niinikoski (1 out of 4 patents)

8. Kari Nurmi (1 out of 7 patents)

9. Olof Malmström (1 out of 1 patent)

10. Ari Teijo (1 out of 1 patent)

11. Raija Savolainen (1 out of 1 patent)

12. Peggy Hagberg (1 out of 1 patent)

13. Hannu Ketola (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 6753377 - Polymer dispersion and method to produce the same (2004-06-22),

2. 6749722 - Method of making sized paper, a sized paper grade, and a paper size (2004-06-15),

3. 6716313 - Additive for paper making (2004-04-06),

4. 6670470 - Modified starch (2003-12-30),

5. 6398912 - Additive for paper making (2002-06-04),

Company Overview

Raisio Chemicals, Ltd. is a leading provider of high-quality chemicals for various industries. With a strong commitment to sustainability and innovation, they offer a wide range of products including specialty chemicals, polymers, and adhesives. Their focus on customer satisfaction and dedication to continuous improvement has made them a trusted partner for businesses worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#22 in

#533 in Finland

FI

Raisio Chemicals, Ltd.

Forward Citations = 28

13 inventors:

Tapio Vihervaara (2 out of 5 patents)

Kari Luukkonen (2 out of 4 patents)

Veikko Niinivaara (2 out of 3 patents)

4. Anna-Liisa Tammi (1 out of 4 patents)

5. Markku Nurminen (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Raisio Chemicals, Ltd.. Retrieved from https://idiyas.com/company/raisio-chemicals

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]