For the Inventor, By the Inventor

Enter assignee name

Courbevoie, France

Rhone-Poulenc Chimie

Calculating rank

USPTO Granted Patents = 759

% Expired Patents = 0.26

CIPO Patents = 8

Trademarks = 4

Forward Citations = 6,323

Loading Chart...

Loading Chart...

674 inventors (with patents filed for the assignee):

Thierry Chopin (31 out of 40 patents)

Michel Gubelmann (22 out of 24 patents)

Gerard Mignani (20 out of 41 patents)

4. Jean-Roger Desmurs (20 out of 32 patents)

5. Michel M Gay (20 out of 34 patents)

6. Michel Costantini (19 out of 38 patents)

7. Jean-Marc Frances (18 out of 58 patents)

8. Yvonick Chevallier (18 out of 36 patents)

9. Philippe Denis (17 out of 23 patents)

10. Robert M Perron (17 out of 50 patents)

11. Jean-Luc Le Loarer (16 out of 20 patents)

12. Jean-Michel Popa (15 out of 16 patents)

13. Dominique Charmot (13 out of 113 patents)

14. Jacques Cavezzan (13 out of 23 patents)

15. Olivier Touret (13 out of 15 patents)

Core Competencies:

Precipitated Silica

Fluorocarbon Compounds

Rare Earth Pigments

Aqueous Emulsions

Optically Active Diphosphines

Catalyst Compositions

Elastomeric Matrix

Abrasive Silicas

Organic Sols

Metal Recovery

Polyorganosiloxanes

Aliphatic Carboxylic Acids

759 patents: Sort by Forward Citations

1. 6797854 - Process for drying a gaseous or liquid mixture with the aid of an adsorber composed of alumina and of a molecular sieve (2004-09-28),

2. 6770776 - Synthesis of fluorocarbon compounds (2004-08-03),

3. 6761867 - Concentrated suspension of precipitation silica, processes for its preparation and uses of this suspension (2004-07-13),

4. 6683208 - Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof (2004-01-27),

5. 6521214 - Process for preparation of abrasive precipitated silica (2003-02-18),

6. 6506832 - Process for the preparation of aqueous emulsions of advantageously masked (poly)isocyanate oils and/or gums and/or resins and emulsions obtained (2003-01-14),

7. 6455018 - Recovery of precious metal and other values from spent compositions/materials (2002-09-24),

8. 6380412 - Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof (2002-04-30),

9. 6316636 - Synthesis of fluorocarbon compounds (2001-11-13),

10. 6299701 - Dishwasher detergent composition containing an anticorrosive agent (2001-10-09),

11. 6290924 - Precipitated silica beads (2001-09-18),

12. 6284033 - Inorganic rare earth pigments/colorants and synthesis/applications thereof (2001-09-04),

13. 6214912 - Elastomeric matrix reinforced with precipitated silicas (2001-04-10),

14. 6214306 - Composition based on zirconium oxide and cerium oxide, preparation method therefor and use thereof (2001-04-10),

15. 6210451 - Colloidal organic sols comprising tetravalent metal oxide/organic acid complexes (2001-04-03),

Company Overview

Rhone-Poulenc Chimie, headquartered in Courbevoie, France, specializes in the development and manufacturing of advanced materials, particularly in the field of silica processing. The company focuses on a range of core technologies including precipitated silica, fluorocarbon compounds, and rare earth pigments, which are essential in various industrial applications. Additionally, Rhone-Poulenc is involved in the production of aqueous emulsions, optically active diphosphines, and catalyst compositions, contributing significantly to sectors such as elastomers and abrasives.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

759 Patents

#3 in Courbevoie

#34 in France

#1,313 in the World

Courbevoie, France

Rhone-Poulenc Chimie

Forward Citations = 6,323

674 inventors:

Thierry Chopin (31 out of 40 patents)

Michel Gubelmann (22 out of 24 patents)

Gerard Mignani (20 out of 41 patents)

4. Jean-Roger Desmurs (20 out of 32 patents)

5. Michel M Gay (20 out of 34 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rhone-Poulenc Chimie. Retrieved from https://idiyas.com/company/rhone-poulenc-chimie

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]

Loading…