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For the Inventor, By the Inventor

Sittard, Netherlands

Stamicarbon B.v.


USPTO Granted Patents = 579



Trademarks = 4

Forward Citations = 4,326

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513 inventors (with patents filed for the assignee):

goldMedal Johannes Henricus Mennen (22 out of 30 patents)

silverMedal Wilhelmus H Boesten (17 out of 24 patents)

bronzeMedal Joseph J Scholten (16 out of 17 patents)

4.  Pieter J Lemstra (15 out of 18 patents)

5.  Rahul Patil (13 out of 13 patents)

6.  Cornelis G Van De Moesdijk (13 out of 16 patents)

7.  Lambertus J Van De Leemput (13 out of 13 patents)

8.  Jozef Hubert Meessen (12 out of 18 patents)

9.  Herman A Schepers (12 out of 14 patents)

10.  Albert A Van Geenen (12 out of 15 patents)

11.  Gaetano Iaquaniello (11 out of 21 patents)

12.  Cornelis A Weterings (11 out of 11 patents)

13.  Joey Dobree (10 out of 10 patents)

14.  Marinus Alfenaar (9 out of 14 patents)

15.  Abraham H De Rooij (9 out of 9 patents)


Core Competencies:
Urea Production
Diesel Exhaust Fluid
Biuret Control
Ammonia Removal
Urea Granulation
Thermal Stripping
Integrated Production
Nitric Acid Production
Corrosion Resistant Alloy
Fluidized Bed Granulation
High Pressure Carbamate
Particulate Capture

579 patents:

1. 12735325 - Purge gas conditioning of NH3 plants (2026-09-15),
2. 12630435 - System and process for the production of UAN (2026-05-19),
3. 12565622 - Production of urea for diesel exhaust fluid (2026-03-03),
4. 12539501 - Ammonium nitrate reactor with static mixer (2026-02-03),
5. 12522563 - Urea production with reduced urea losses (2026-01-13),
6. 12365595 - Method and plant for the production of ammonia with renewable energy (2025-07-22),
7. 12350640 - Apparatus for producing prills (2025-07-08),
8. 12338201 - Production of urea and melamine (2025-06-24),
9. 12330131 - Fluidized bed granulation (2025-06-17),
10. 12325679 - Ferritic steel parts in urea plants (2025-06-10),
11. 12319662 - Coupled urea melamine plant (2025-06-03),
12. 12319646 - Low biuret urea production (2025-06-03),
13. 12319645 - Thermal stripping urea plant and process (2025-06-03),
14. 12240800 - Multiproduct low biuret urea production (2025-03-04),
15. 12215071 - Thermal stripping urea plant and process (2025-02-04),
Stamicarbon B.V., headquartered in Sittard, Netherlands, specializes in advanced technologies for urea production. The company is renowned for its expertise in various aspects of urea manufacturing, including diesel exhaust fluid, biuret control, ammonia removal, and urea granulation. Stamicarbon also focuses on integrated production processes and thermal stripping, contributing to efficient nitric acid production. With a commitment to innovation, Stamicarbon plays a pivotal role in enhancing the sustainability and efficiency of the fertilizer industry.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Stamicarbon B.v.
579 Patents

#1 in Sittard

#18 in Netherlands

#1,684 in the World

Sittard, NL
Sittard, Netherlands

Stamicarbon B.v.

Forward Citations = 4,326

513 inventors:

goldMedal Johannes Henricus Mennen (22 out of 30 patents)

silverMedal Wilhelmus H Boesten (17 out of 24 patents)

bronzeMedal Joseph J Scholten (16 out of 17 patents)

4.  Pieter J Lemstra (15 out of 18 patents)

5.  Rahul Patil (13 out of 13 patents)

Please report any incorrect information to [email protected]
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