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San Donato Milanese, Italy

Enichem S.p.a

USPTO Granted Patents = 218

% Expired Patents = 3.7

CIPO Patents = 4

Forward Citations = 2,031

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311 inventors (with patents filed for the assignee):

Roberto Santi (23 out of 39 patents)

Fabio Garbassi (19 out of 35 patents)

Anna Sommazzi (15 out of 50 patents)

4. Riccardo Po' (14 out of 25 patents)

5. Gabriele Lugli (14 out of 29 patents)

6. Antonio Alfonso Proto (12 out of 37 patents)

7. Carlo Perego (12 out of 47 patents)

8. Ernesto Occhiello (12 out of 18 patents)

9. Francesco Masi (11 out of 64 patents)

10. Nicoletta Cardi (11 out of 12 patents)

11. Michael A Drzewinski (10 out of 10 patents)

12. Liliana Gila (9 out of 20 patents)

13. Giampietro Borsotti (8 out of 42 patents)

14. Angela Carati (8 out of 34 patents)

15. Paolo Biagini (8 out of 32 patents)

Core Competencies:

Olefin Oxides

Zeolites

Hydrocarbons

Polymerization

Vinylaromatic

Hydrogenation

Metallocenes

Catalysts

Polycarbonate

Expandable Particles

Diene Copolymers

Optical Components

218 patents: Sort by Forward Citations

1. 7442817 - Process for the preparation of olefin oxides (2008-10-28),

2. 7419930 - Catalytic composition for the aromatization of hydrocarbons (2008-09-02),

3. 7241931 - Process for the preparation of 2,6-dimethylnaphthalene (2007-07-10),

4. 7164052 - Catalytic composition for the aromatization of hydrocarbons (2007-01-16),

5. 7154015 - Process for the production of propylene from olefinic streams (2006-12-26),

6. 7122501 - Catalyst and process for the direct synthesis of hydrogen peroxide (2006-10-17),

7. 7074383 - Process for preparing bound zeolites (2006-07-11),

8. 7019186 - Process for the preparation of 2,6-dimethylnaphthalene (2006-03-28),

9. 7018595 - Process for preparing bound zeolites (2006-03-28),

10. 6924406 - Process for separating mixtures of hydrocarbon isomers in gas phase on molecular sieves (2005-08-02),

11. 6924247 - Method for the separation of zeolites (2005-08-02),

12. 6867258 - High transparency polymeric composition (2005-03-15),

13. 6784316 - Purification method of Cyclohexanone-oxime (2004-08-31),

14. 6780947 - Metal complexes comprising a 2,6-diacylpyridine-ligand and their use in the polymerization of ethylene (2004-08-24),

15. 6645899 - Method of the removal of the templating agent from synthetic zeolites (2003-11-11),

Company Overview

Enichem S.p.a, headquartered in San Donato Milanese, Italy, specializes in the development and manufacturing of advanced catalytic processes. The company focuses on a range of core technologies including olefin oxides, zeolites, and hydrocarbons, contributing to innovations in polymerization and hydrogenation. Enichem is recognized for its expertise in metallocenes and catalysts, playing a significant role in enhancing chemical production efficiency and sustainability within the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

218 Patents

#2 in San Donato Milanese

#35 in Italy

#3,921 in the World

San Donato Milanese, Italy

Enichem S.p.a

Forward Citations = 2,031

311 inventors:

Roberto Santi (23 out of 39 patents)

Fabio Garbassi (19 out of 35 patents)

Anna Sommazzi (15 out of 50 patents)

4. Riccardo Po' (14 out of 25 patents)

5. Gabriele Lugli (14 out of 29 patents)

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

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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