Anna Sommazzi

This inventor holds 50 USPTO granted patents and 6 published patent applications, plus 26 CIPO patents and 33 EPO patents, primarily in Catalytic Polymerization (CPC class C08F). Top assignees: Versalis S.p.a., Enichem S.p.a, Polimeri Europa S.p.a.. Active years: 1994-2024.

USPTO Granted Patents = 50 (Patent Applications = 6)

% Patents Active = 86.0

CIPO Patents = 26 (Patent Applications = 7)

EPO Patents = 33 (Patent Applications = 27)

Average Co-Inventor Count = 4.7

ph-index = 6

Forward Citations = 83(Granted Patents)

Forward Citations (Not Self Cited) = 63(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Santa Magherita Ligure, IT (1994)
S. Margherita, IT (1994)
Mazzini, IT (1995)
Genoa, IT (2002 - 2006)
Santa Margherita Ligure-Genova, IT (2005 - 2006)
Santa Margherita-Genoa, IT (2014)
S. Margherita Ligure, IT (1994 - 2016)
Santa Margherita Genova, IT (2016 - 2017)
Santa Margherita Ligure, IT (1994 - 2019)
Novara, IT (2015 - 2024)

Company Filing History:

Polimeri Europa S.p.a.

patents

4. 1 out of 324

Consiglio Nazionale Delle Ricerche

6. 1 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1994-2024

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Areas of Expertise:

Catalytic Systems

Conjugated Dienes

Titanium Complexes

Oxo-Nitrogenated Complexes

Polymerization Processes

Butadiene-Isoprene Copolymers

Solid Catalysts

Lanthanide Complexes

Ziegler-Natta Catalysts

Metallocene Compounds

Alpha-Olefins

Hydrogenation Processes

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 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),

2. 11746167 - Process for the preparation of polyisoprene with a mainly alternating cis-1,4- alt-3,4 structure in the presence of a catalytic system comprising a pyridyl iron complex (2023-09-05),

3. 11661470 - Butadiene-isoprene diblock copolymers and process for the preparation thereof (2023-05-30),

4. 11518776 - Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienes (2022-12-06),

5. 11299505 - Bis-imine titanium complex, catalytic system comprising said bis-imine titanium complex and process for the (co)polymertzation of conjugated dienes (2022-04-12),

6. 10954326 - Process for the preparation of syndiotactic 1,2-polybutadiene in the presence of a catalytic system comprising a pyridyl iron complex (2021-03-23),

7. 10793653 - Process for preparing conjugated diene (co)polymers in the presence of a catalytic system comprising a pyridyl iron (III) complex (2020-10-06),

8. 10766979 - Bis-imine pyridine complex of lanthanides catalytic system comprising said bis-imine pyridine complex and process for the (co)polymerization of conjugated dienes (2020-09-08),

9. 10654952 - Nitrogen titanium complex, catalytic system comprising said nitrogen titanium complex and process for the (co)polymerization of conjugated dienes (2020-05-19),

10. 10633474 - Vanadium pyridine-imine complex, catalytic system comprising said vanadium pyridine-immine complex and a (co) polymerization process of conjugated dienes (2020-04-28),

11. 10611862 - Process for the preparation of (co)polymers of conjugated dienes in the presence of a catalytic system comprising a vanadium bis-imine complex (2020-04-07),

12. 10486144 - Solid catalyst for the (co)polymerisation of α-olefins and process for the preparation thereof (2019-11-26),

13. 10301408 - Oxo-nitrogenated vanadium complex, catalytic system comprising said oxo-nitrogenated vanadium complex and process for (co)polymerising conjugated dienes (2019-05-28),

14. 10093763 - [object Object] (2018-10-09),

15. 10066044 - Stereoregular diblock polybutadienes having a 1,4-cis/syndiotactic 1,2 structure from stereospecific polymerization (2018-09-04),

Title: Anna Sommazzi: Innovator in Catalytic Systems

Introduction

Anna Sommazzi is a prominent inventor based in Novara, Italy. She has made significant contributions to the field of chemistry, particularly in the development of catalytic systems. With a remarkable portfolio of 50 patents, her work has advanced the understanding and application of oxo-nitrogenated iron complexes.

Latest Patents

Among her latest patents is the innovative "Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienes." This patent describes an oxo-nitrogenated iron complex with a general formula that includes various alkyl and aryl groups. The complex is designed for use in catalytic systems for the polymerization of conjugated dienes. Another notable patent focuses on the "Process for the preparation of polyisoprene with a mainly alternating cis-1,4-alt-3,4 structure in the presence of a catalytic system comprising a pyridyl iron complex." This process utilizes a pyridyl iron complex and co-catalysts to achieve efficient polymerization.

Career Highlights

Anna has worked with notable companies such as Versalis S.p.a. and Enichem S.p.a. Her experience in these organizations has allowed her to refine her expertise in catalytic systems and polymer chemistry.

Collaborations

Throughout her career, Anna has collaborated with esteemed colleagues, including Francesco Masi and Giovanni Ricci. These partnerships have contributed to her innovative research and development efforts.

Conclusion

Anna Sommazzi stands out as a leading inventor in the field of catalytic systems, with a strong portfolio of patents that reflect her expertise and innovative spirit. Her contributions continue to influence the industry and pave the way for future advancements.