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Elf Atochem S.a.

USPTO Granted Patents = 456

CIPO Patents = 4

Trademarks = 7

Forward Citations = 3,320

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517 inventors (with patents filed for the assignee):

Alain Bouilloux (18 out of 35 patents)

Philippe Teyssie (17 out of 30 patents)

Philippe Heim (15 out of 18 patents)

4. Christian Collette (15 out of 19 patents)

5. Pascal Michaud (14 out of 29 patents)

6. Bruno Vuillemin (14 out of 20 patents)

7. Andre Lantz (12 out of 37 patents)

8. Patrick Alex (12 out of 16 patents)

9. Eric Lacroix (11 out of 26 patents)

10. Alain F Riondel (11 out of 34 patents)

11. Roger Spitz (11 out of 44 patents)

12. Marius Hert (11 out of 20 patents)

13. Patrice Perret (11 out of 17 patents)

14. Claude Brun (10 out of 28 patents)

15. Jean Malinge (10 out of 20 patents)

Core Competencies:

Controlled Radical Polymerization

Metallocene Catalysts

Hydrophobic Polymers

Olefin Polymerization

Superabsorbent Powders

Emulsion Polymerization

Thermoplastic Resin Composition

Polymerization Processes

Film-Forming Latex

Fluorination Catalysts

Vulcanized Elastomers

Composite Materials

456 patents: Sort by Forward Citations

1. 7273512 - Process for drying difluoromethane (2007-09-25),

2. 6911511 - Controlled radical polymerization process using a small amount of stable free radical (2005-06-28),

3. 6875499 - Light diffusing composites (2005-04-05),

4. 6841612 - Plastic composition (2005-01-11),

5. 6841091 - Compositions for drying solid surfaces (2005-01-11),

6. 6780946 - Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process (2004-08-24),

7. 6743951 - Compositions based on dimethyl disulphide with a masked smell (2004-06-01),

8. 6723779 - Low-temperature film-forming latex based on hydrophobic polymers having a core/shell structure without coalescents (2004-04-20),

9. 6660191 - 1.5-Diethenylnaphthalene compounds and bifunctional primers for anionic polymerization prepared therefrom (2003-12-09),

10. 6649560 - Bulk catalysts based on chromium and on nickel for the gas-phase fluorination of halogenated hydrocarbons (2003-11-18),

11. 6641791 - Generation of boron-trifluoride and sulphuric acid from boron trifluoride hydrate (2003-11-04),

12. 6639110 - Method for making dimethyl disulphide compositions having a masked smell (2003-10-28),

13. 6605743 - Continuous process for the preparation of pivaloyl chloride and of aroyl chloride (2003-08-12),

14. 6605561 - Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process (2003-08-12),

15. 6579943 - Method of producing modified polyester moulded articles, and said moulded articles (2003-06-17),

Elf Atochem S.A. is a chemical company and a subsidiary of Arkema, a global leader in specialty chemicals and advanced materials. With a rich heritage of innovation, Elf Atochem offers a wide range of products and solutions across various industries including coatings, construction, automotive, electronics, and more. Their expertise lies in providing high-performance materials, additives, and functional solutions that meet the evolving needs of customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

456 Patents

#2 in

#57 in France

#2,021 in the World

Elf Atochem S.a.

Forward Citations = 3,320

517 inventors:

Alain Bouilloux (18 out of 35 patents)

Philippe Teyssie (17 out of 30 patents)

Philippe Heim (15 out of 18 patents)

4. Christian Collette (15 out of 19 patents)

5. Pascal Michaud (14 out of 29 patents)

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