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Freiburg, Germany

Rhodia Ag

USPTO Granted Patents = 12

Forward Citations = 175

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19 inventors (with patents filed for the assignee):

Gunter Maurer (2 out of 4 patents)

Dieter Imbery (2 out of 2 patents)

Bruno Kliemann (2 out of 2 patents)

4. Jorg Pfister (2 out of 2 patents)

5. Paul Rustemeyer (1 out of 3 patents)

6. Eberhard Teufel (1 out of 8 patents)

7. Gert Schluter (1 out of 4 patents)

8. Rudiger Dollhopf (1 out of 7 patents)

9. Bernd Nandzik (1 out of 1 patent)

10. Ernst Heim (1 out of 1 patent)

11. Josef Ritschel (1 out of 1 patent)

12. Martin Stoll (1 out of 1 patent)

13. Matthias Zimmermann (1 out of 1 patent)

14. Walter Erkens (1 out of 1 patent)

15. Arnold Kuzmenko (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 4959186 - Extrusion process and single-, dual- or multiple-screw extruder (1990-09-25),

2. 4883603 - Method for separating coarse grained and agglomerate pigment particles (1989-11-28),

3. 4858287 - Method for the continuous sizing and stretching of synthetic filament (1989-08-22),

4. 4818594 - Consolidated nonwoven fabrics and process for producing them (1989-04-04),

5. 4809717 - Ventilated cigarette (1989-03-07),

6. 4753730 - Filter for separating substances having lipophilic and/or oleophilic (1988-06-28),

7. 4609915 - Apparatus for the control of rotating parts in machinery (1986-09-02),

8. 4573245 - Braking system for yarn beaming assemblies (1986-03-04),

9. 4554073 - Device for uptake, transportation, and recovery of cell material, and (1985-11-19),

10. 4486365 - Process and apparatus for the preparation of electret filaments, textile (1984-12-04),

11. 4298303 - Device for transporting and storing spools and particularly yarn spools (1981-11-03),

12. 4193412 - Additive for smoking tobacco products, filter elements thereof and (1980-03-18),

Company Overview

Rhodia Ag, headquartered in Freiburg, Germany, specializes in the development and manufacturing of specialty chemicals and advanced materials. The company focuses on innovative solutions across various sectors, including automotive, electronics, and consumer goods. With a strong emphasis on sustainability and performance, Rhodia Ag leverages cutting-edge research to enhance product efficacy and environmental responsibility. Its commitment to technological advancement positions it as a key player in the global specialty chemicals market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#23 in Freiburg

#3,297 in Germany

#48,129 in the World

Freiburg, Germany

Rhodia Ag

Forward Citations = 175

19 inventors:

Gunter Maurer (2 out of 4 patents)

Dieter Imbery (2 out of 2 patents)

Bruno Kliemann (2 out of 2 patents)

4. Jorg Pfister (2 out of 2 patents)

5. Paul Rustemeyer (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rhodia Ag. Retrieved from https://idiyas.com/company/rhodia-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]

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