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3V Sigma S.p.a.

USPTO Granted Patents = 20

% Expired Patents = 45.0

EPO Patents = 14

Trademarks = 3

Forward Citations = 59

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21 inventors (with patents filed for the assignee):

Francesco Maestri (5 out of 5 patents)

Ferruccio Berte' (5 out of 6 patents)

Ferruccio Berte′ (4 out of 4 patents)

4. Carlo Seccomandi (3 out of 3 patents)

5. Giuseppe Raspanti (3 out of 26 patents)

6. Ivan Balestra (2 out of 2 patents)

7. Ferruccio Berte (2 out of 5 patents)

8. Paolo Alioli (2 out of 2 patents)

9. Marco Brena (2 out of 2 patents)

10. Luca Bemporad (2 out of 2 patents)

11. Giorgio Zanchi (2 out of 4 patents)

12. Simone Del Sordo (1 out of 4 patents)

13. Patrick Alborghetti (1 out of 1 patent)

14. Massimo Fabbi (1 out of 1 patent)

15. Massimo Magnoni (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 10759780 - Hindered amines (2020-09-01),

2. 10610476 - Cosmetic compositions of UV filters (2020-04-07),

3. 10457650 - Triazine compounds as photostabilizing agents (2019-10-29),

4. 9725578 - Sterically hindered polymeric amines and their use as polymer stabilizers (2017-08-08),

5. 9487503 - Stilbene optical brighteners (2016-11-08),

6. 8940058 - Fluorescent whitening agent aqueous solutions (2015-01-27),

7. 8895731 - Triazine derivatives (2014-11-25),

8. 8864851 - Compositions of fluorescent whitening agents (2014-10-21),

9. 8845761 - Fluorescent whitening agent compositions (2014-09-30),

10. 8404765 - Sterically hindered amines and use thereof as polymer stabilizers (2013-03-26),

11. 8003718 - Oligomeric sterically hindered amines and their use as polymer stabilisers (2011-08-23),

12. 7713444 - Mixtures of sterically hindered amines for the stabilisation of polymers (2010-05-11),

13. 7560423 - Easily wettable polycarboxylic thickeners (2009-07-14),

14. 6939838 - Stabilized liquid compositions containing peroxides (2005-09-06),

15. 6514485 - Combinations of sunscreens (2003-02-04),

3V Sigma S.p.a. is a Milan-based company specializing in the development and manufacturing of advanced chemical solutions. The organization focuses on various sectors, including specialty chemicals, plastics, and additives, catering to diverse industrial applications. With a commitment to innovation, 3V Sigma invests in research and technology to enhance product performance and sustainability. Its expertise extends across multiple domains, positioning the company as a key player in the global chemical industry.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

20 Patents

#89 in Milan

#457 in Italy

#31,233 in the World

3V Sigma S.p.a.

Forward Citations = 59

21 inventors:

Francesco Maestri (5 out of 5 patents)

Ferruccio Berte' (5 out of 6 patents)

Ferruccio Berte′ (4 out of 4 patents)

4. Carlo Seccomandi (3 out of 3 patents)

5. Giuseppe Raspanti (3 out of 26 patents)

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