% Expired Patents = 40.0

EPO Patents = 4

Trademarks = 2

Forward Citations = 3

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11 inventors (with patents filed for the assignee):

Bernhard Pelzl (4 out of 5 patents)

Michael Schiller (2 out of 5 patents)

Dennis Planner (1 out of 2 patents)

4. Greg Harrison (1 out of 2 patents)

5. Joerg-Dieter Klamann (1 out of 2 patents)

6. Hugh Dennis (1 out of 2 patents)

7. Stephen Dennis (1 out of 2 patents)

8. Colin Campbell (1 out of 1 patent)

9. Anthony Stephen Butt (1 out of 1 patent)

10. Hendrik Willem Huisman (1 out of 2 patents)

11. Cornelia Damm (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 10829629 - Vinyl chloride polymers and compositions for additive manufacturing (2020-11-10),

2. 9403964 - Hydroquinone compounds for reducing photoblueing of halogen-containing polymers (2016-08-02),

3. 8975315 - Stabilizer composition for halogen-containing polymers (2015-03-10),

4. 8772382 - Heavy metal-free stabilizer composition for halogenated polymers (2014-07-08),

5. 8329789 - Stabilizer composition for halogen-containing polymers (2012-12-11),

Company Overview

Chemson Polymer-additive AG is a leading global supplier of polymer additives for a wide range of industries, including automotive, construction, healthcare, and consumer goods. With a focus on innovation and sustainability, Chemson develops high-quality additives that improve the performance and durability of plastic products. Their products are used to enhance properties such as weather resistance, UV protection, flame retardancy, and impact strength. Chemson's dedicated team of experts works closely with customers to provide tailored solutions that meet their specific needs and requirements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#1 in Arnoldstein

#515 in Austria

Arnoldstein, Austria

Chemson Polymer-Additive Ag

Forward Citations = 3

11 inventors:

Bernhard Pelzl (4 out of 5 patents)

Michael Schiller (2 out of 5 patents)

Dennis Planner (1 out of 2 patents)

4. Greg Harrison (1 out of 2 patents)

5. Joerg-Dieter Klamann (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemson Polymer-Additive Ag. Retrieved from https://idiyas.com/company/chemson-polymer-additive-ag

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]

4 patents (EPO):

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]