% Expired Patents = 12.5

CIPO Patents = 3

EPO Patents = 7

Forward Citations = 5

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19 inventors (with patents filed for the assignee):

Joseph J Stevens (3 out of 5 patents)

Peter Symons (2 out of 17 patents)

William E Pratt (2 out of 3 patents)

4. Antonio Zarli (2 out of 2 patents)

5. Michele Colozzi (1 out of 8 patents)

6. Emma Palo (1 out of 14 patents)

7. Vincenzo Palma (1 out of 9 patents)

8. Pierlorenzo Cinotti (1 out of 2 patents)

9. Simona Cortese (1 out of 2 patents)

10. Marino Miccio (1 out of 2 patents)

11. Lucia Barbato (1 out of 9 patents)

12. Daniela Barba (1 out of 2 patents)

13. Gaetano Iaquaniello (1 out of 21 patents)

14. Elena Antonetti (1 out of 8 patents)

15. Annarita Salladini (1 out of 2 patents)

8 patents: Sort by Forward Citations

1. 11766637 - Process and relating apparatus to make pure hydrogen from a syngas originated from wastes gasification (2023-09-26),

2. 11746021 - High purity aluminum oxide via electrodialysis (2023-09-05),

3. 11725156 - Process for the pre-treatment of feeds for the production of biofuels by hydrolysis of fats at high temperature and pressure (2023-08-15),

4. 11535581 - Method and apparatus to produce fatty acids from methyl esters throughout non-catalytic process (2022-12-27),

5. 11459507 - Process for the conversion of plastics into olefins (2022-10-04),

6. 11267700 - Catalyst for catalytic oxidative cracking of hydrogen sulphide with concurrent hydrogen production (2022-03-08),

7. 8801909 - Polymetal hydroxychloride processes and compositions: enhanced efficacy antiperspirant salt compositions (2014-08-12),

8. 7846318 - Polyaluminum chloride and aluminum chlorohydrate, processes and compositions: high-basicity and ultra high-basicity products (2010-12-07),

Company Overview

Nextchem S.p.a. is a leading provider of process technologies and project development services in the energy and chemical sectors. With a focus on sustainability and innovation, Nextchem offers solutions to transform waste into valuable resources and develop renewable energy projects. The company collaborates with clients worldwide to create customized, efficient, and environmentally friendly solutions for a more sustainable future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#1 in West Point, MO

#517 in Missouri

#35,941 in US

West Point, MO, United States of America

Nextchem, LLC

Forward Citations = 5

19 inventors:

Joseph J Stevens (3 out of 5 patents)

Peter Symons (2 out of 17 patents)

William E Pratt (2 out of 3 patents)

4. Antonio Zarli (2 out of 2 patents)

5. Michele Colozzi (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nextchem, LLC. Retrieved from https://idiyas.com/company/nextchem

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]

3 patents (CIPO):

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]

7 patents (EPO):

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]