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Elf-union

USPTO Granted Patents = 20

Forward Citations = 424

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30 inventors (with patents filed for the assignee):

Paul Maldonado (6 out of 33 patents)

Germain Hagenbach (3 out of 7 patents)

Daniel Duprez (3 out of 4 patents)

4. Michel Grand (3 out of 4 patents)

5. Jacques Bousquet (2 out of 20 patents)

6. Michel Ronc (2 out of 2 patents)

7. Jean-Rene Bernard (2 out of 6 patents)

8. Robert Leger (1 out of 12 patents)

9. Jean-Pierre Durand (1 out of 35 patents)

10. Jean-Claude Fayard (1 out of 8 patents)

11. Alain Faure (1 out of 7 patents)

12. Francois Dawans (1 out of 35 patents)

13. Robert Nouguier (1 out of 4 patents)

14. Gilbert Chapelet (1 out of 8 patents)

15. Jean Rene Bernard (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 4311614 - Catalysts for water dealkylation of aromatic hydrocarbons (1982-01-19),

2. 4264334 - Heavy fuel-oil compositions having an improved stability under storage (1981-04-28),

3. 4242246 - Process for the preparation of bituminous compositions making use of a (1980-12-30),

4. 4242143 - Process for improving the properties of bituminous products and an (1980-12-30),

5. 4238451 - Process and device to measure the asphaltene content of petroleum (1980-12-09),

6. 4238368 - Water dealkylation catalyst of aromatic hydrocarbons (1980-12-09),

7. 4237052 - Method for the preparation of bitumens modified by polymers (1980-12-02),

8. 4233186 - Catalysts for water dealkylation of aromatic hydrocarbons (1980-11-11),

9. 4221259 - Process for storing calories (1980-09-09),

10. 4206044 - Catalytic process for hydro-treating gas oils in the presence of hydrogen (1980-06-03),

11. 4206037 - Catalytic treatment of gas oils (1980-06-03),

12. 4201193 - Solar energy absorbing roof (1980-05-06),

13. 4191702 - Preparation of alkyl or aralkyl thiosulfates (1980-03-04),

14. 4182296 - Apparatus permitting an improvement of the carburetion of internal (1980-01-08),

15. 4165631 - Instrument for the continuous measurement of viscosity, especially of (1979-08-28),

Elf-union is a leading provider of innovative solutions for the transportation and logistics industry. With a focus on efficiency and customer satisfaction, Elf-union offers a wide range of services including freight forwarding, warehousing, and supply chain management. Our team of experienced professionals is dedicated to delivering superior results for our clients, ensuring smooth operations and timely delivery of goods. Visit our website to learn more about how Elf-union can help optimize your transportation and logistics needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

20 Patents

#211 in Paris

#986 in France

#30,350 in the World

Elf-union

Forward Citations = 424

30 inventors:

Paul Maldonado (6 out of 33 patents)

Germain Hagenbach (3 out of 7 patents)

Daniel Duprez (3 out of 4 patents)

4. Michel Grand (3 out of 4 patents)

5. Jacques Bousquet (2 out of 20 patents)

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