Forward Citations = 31

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13 inventors (with patents filed for the assignee):

Andre Lantz (2 out of 37 patents)

Jean-Michel Galland (2 out of 4 patents)

Emmanuel Guiraud (1 out of 3 patents)

4. Rene Bertocchio (1 out of 16 patents)

5. Jean-Pierre Schirmann (1 out of 45 patents)

6. Sylvie Macaudiere (1 out of 4 patents)

7. Bernard Cheminal (1 out of 22 patents)

8. Eric LaCroix (1 out of 6 patents)

9. Jean-Claude Tanguy (1 out of 2 patents)

10. Rene Perdriau (1 out of 1 patent)

11. Dominique Rouzies (1 out of 2 patents)

12. Patrick Lambert (1 out of 2 patents)

13. Francois Garcia (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5600039 - Process for the preparation of 1,1,1,2-tetrafluoroethane (1997-02-04),

2. 5523500 - Mass catalysts based on chromium and nickel oxides and their application (1996-06-04),

3. 5474695 - Mixtures of 1,1,1-trifluoroethane, perfluoropropane and propane, and (1995-12-12),

4. 5426254 - Process for the separation of hydrogen fluoride from its mixtures with (1995-06-20),

5. 5386068 - Stabilization of 1,1-dichloro-1-fluoroethane (1995-01-31),

Company Overview

D'elf Atochem S.a. is a global leader in the chemical industry, specializing in the manufacturing and distribution of a wide range of high-quality chemical products. With a strong focus on innovation and sustainability, we strive to provide our customers with cutting-edge solutions that meet their specific needs. Our commitment to excellence and customer satisfaction sets us apart in the market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#41 in Puteaux

#2,863 in France

Puteaux, France

D'elf Atochem S.a.

Forward Citations = 31

13 inventors:

Andre Lantz (2 out of 37 patents)

Jean-Michel Galland (2 out of 4 patents)

Emmanuel Guiraud (1 out of 3 patents)

4. Rene Bertocchio (1 out of 16 patents)

5. Jean-Pierre Schirmann (1 out of 45 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: D'elf Atochem S.a.. Retrieved from https://idiyas.com/company/d-elf-atochem-s-a

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]