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San Donato Milanese, Italy

Versalis S.p.a.

USPTO Granted Patents = 122

% Expired Patents = 12.3

CIPO Patents = 27

EPO Patents = 173

Trademarks = 23

Forward Citations = 81

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170 inventors (with patents filed for the assignee):

Francesco Masi (29 out of 64 patents)

Anna Sommazzi (26 out of 50 patents)

Giovanni Ricci (21 out of 22 patents)

4. Giuseppe Leone (19 out of 19 patents)

5. Alessandro Casalini (13 out of 19 patents)

6. Riccardo Felisari (13 out of 14 patents)

7. Guido Pampaloni (12 out of 18 patents)

8. Dario Ghidoni (7 out of 21 patents)

9. Aldo Longo (7 out of 13 patents)

10. Alessandro Del Seppia (7 out of 7 patents)

11. Antonio Ponticiello (6 out of 11 patents)

12. Stefano Ramello (6 out of 12 patents)

13. Roberto Buzzoni (6 out of 23 patents)

14. Giovanni Antonio Fois (5 out of 5 patents)

15. Paolo Mariani (5 out of 5 patents)

Core Competencies:

Graphene Compositions

Diene Production

Bio-Based Materials

Polymerization Processes

Expandable Polymers

Lignocellulosic Biomass

Vinyl Aromatic Polymers

Catalytic Systems

Omega-Amino-Carboxylic Acids

Plastic Material Treatment

Fermentation Processes

Thermal Insulation

122 patents: Sort by Forward Citations

1. 12686879 - Process for the preparation of a sugar product and a fermentation product (2026-07-21),

2. 12668685 - Process for the preparation of styrene-butadiene rubbers comprising recycled rubber powder (2026-06-30),

3. 12595350 - Composition of plastic material and process for treating plastic materials for forming said composition (2026-04-07),

4. 12534586 - Composition containing graphene and graphene nanoplatelets and preparation process thereof (2026-01-27),

5. 12486468 - Method for the preparation of omega-amino-carboxylic acids and derivatives thereof (2025-12-02),

6. 12247095 - Process for preparing random butadiene-isoprene copolymers having a high content of cis-1,4 units (2025-03-11),

7. 12227467 - Process for bio-1,3-butanediol purification from a fermentation broth (2025-02-18),

8. 12157906 - Process for producing a fermentation broth (2024-12-03),

9. 12030222 - Circuit and process for managing transients in a plant for continuous mass production of granulated expandable polymers (2024-07-09),

10. 11912840 - Composition containing graphene and graphene nanoplatelets and preparation process thereof (2024-02-27),

11. 11872548 - Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienes (2024-01-16),

12. 11851385 - Process for producing dienes (2023-12-26),

13. 11840494 - Process for treating polyalkylaromatic hydrocarbons (2023-12-12),

14. 11788104 - Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars (2023-10-17),

15. 11773420 - Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars (2023-10-03),

Company Overview

Versalis S.p.a., headquartered in San Donato Milanese, Italy, is a prominent player in the field of polymer chemistry. The company specializes in the development and production of advanced materials, focusing on innovative technologies such as graphene compositions, diene production, and bio-based materials. Versalis is committed to sustainable practices, leveraging lignocellulosic biomass and enhancing polymerization processes. Their expertise extends to expandable polymers and catalytic systems, positioning them as a leader in the evolving landscape of polymer applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

122 Patents

#3 in San Donato Milanese

#73 in Italy

#6,571 in the World

San Donato Milanese, Italy

Versalis S.p.a.

Forward Citations = 81

170 inventors:

Francesco Masi (29 out of 64 patents)

Anna Sommazzi (26 out of 50 patents)

Giovanni Ricci (21 out of 22 patents)

4. Giuseppe Leone (19 out of 19 patents)

5. Alessandro Casalini (13 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Versalis S.p.a.. Retrieved from https://idiyas.com/company/versalis

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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