% Expired Patents = 75.0

EPO Patents = 5

Forward Citations = 87

Loading Chart...

5 inventors (with patents filed for the assignee):

Joseph Dussaud (4 out of 10 patents)

Léonie Bouvier (4 out of 4 patents)

Pascale Escaffre (2 out of 4 patents)

4. Pierre Girard (2 out of 7 patents)

5. Fabien Chevalier (1 out of 1 patent)

6. Noël Cartier (3 patents)

7. Pierrick Girard (1 patent)

8. Laurence Vrevin (0 patent)

9. Volker Krallman (0 patent)

4 patents: Sort by Forward Citations

1. 7278542 - Filtering medium, method for making same (2007-10-09),

2. 6906001 - Photocatalytic composition (2005-06-14),

3. 6878191 - Photocatalytic composition (2005-04-12),

4. 6840006 - Accelerated mulching paper degradation process and mulching paper for implementing the process (2005-01-11),

Company Overview

Ahlstrom Research & Services is a leading research and service provider in the field of materials science and engineering. With a team of highly skilled researchers and experts, we offer a wide range of services including testing, analysis, and consulting for various industries such as automotive, aerospace, and healthcare. Our focus on innovation and quality has helped us establish a reputation for excellence in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#1 in Pont Eveque

#3,356 in France

Pont Eveque, France

Ahlstrom Research & Services

Forward Citations = 87

5 inventors:

Joseph Dussaud (4 out of 10 patents)

Léonie Bouvier (4 out of 4 patents)

Pascale Escaffre (2 out of 4 patents)

4. Pierre Girard (2 out of 7 patents)

5. Fabien Chevalier (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ahlstrom Research & Services. Retrieved from https://idiyas.com/company/ahlstrom-research-and-services

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]

5 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]