Rens Veneman

This inventor holds 21 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 15 EPO patents, primarily in Alkyleneamine Chemistry. Top assignee: Nouryon Chemicals International B.v.. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rens Veneman. Retrieved from https://idiyas.com/inventor/rens-veneman

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 21 (Patent Applications = 3)

% Patents Active = 95.2

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 15 (Patent Applications = 26)

Average Co-Inventor Count = 9.9

ph-index = 2

Forward Citations = 14(Granted Patents)

Location History:

Deventer, NL (2020 - 2022)
Amersfoot, NL (2022)
Amersfoort, NL (2020 - 2024)

Company Filing History:

21 out of 125

Nouryon Chemicals International B.v.

patents

Years Active: 2020-2025

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Areas of Expertise:

Alkyleneamine Compounds

Cyclic Urea Adducts

Ethyleneamines

Hydroxyethyl Ethyleneamines

Propylene Amines

Cyclic Alkylene Ureas

Chain-Extended Ethyleneamines

Higher Ethylene Amines

Reactive Separation Process

Multi-Step Processes

Two-Step Processes

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12459924 - Process for manufacturing alkyleneamine compounds (2025-11-04),

2. 12258319 - Process for manufacturing a cyclic urea adduct of an ethyleneamine compound (2025-03-25),

3. 11919866 - Process for preparing cyclic alkylene ureas (2024-03-05),

4. 11884609 - Process for manufacturing ethyleneamine compounds (2024-01-30),

5. 11878954 - Process for manufacturing ethyleneamine compounds (2024-01-23),

6. 11584721 - Process for manufacturing a mixture of straight-hain and non-straight-chain ethyleneamines (2023-02-21),

7. 11390607 - Process to prepare propylene amines and propylene amine derivatives (2022-07-19),

8. 11339116 - Reactive separation process to convert cyclic alkylene ureas into their corresponding alkylene amines (2022-05-24),

9. 11292769 - Process for manufacturing a cyclic urea adduct of an ethyleneamine compound (2022-04-05),

10. 11292768 - Process for manufacturing chain-extended hydroxyethylethyleneamines, ethyleneamines, or mixtures thereof (2022-04-05),

11. 11267792 - Process to prepare ethylene amines and ethylene amine derivatives (2022-03-08),

12. 11247963 - Process for converting cyclic alkylene ureas into their corresponding alkylene amines (2022-02-15),

13. 11242310 - Two-step process for converting cyclic alkylene ureas into their corresponding alkylene amines (2022-02-08),

14. 11236039 - Multi-step process for converting cyclic alkyleneureas into their corresponding alkyleneamines (2022-02-01),

15. 11214549 - Process for making higher ethylene amines (2022-01-04),

Title: Rens Veneman: Innovator in Cyclic Urea Manufacturing

Introduction

Rens Veneman, based in Amersfoort, Netherlands, is an accomplished inventor with a remarkable portfolio of 20 patents. His work primarily focuses on the synthesis and applications of cyclic urea compounds, showcasing innovation in the chemical industry.

Latest Patents

Among Veneman's latest patents is a significant development titled "Process for Manufacturing a Cyclic Urea Adduct of an Ethyleneamine Compound." This innovative process features an absorption step where a liquid medium containing an ethyleneamine compound is contacted with a CO-containing gas stream at pressures ranging from about 1 to about 20 bara. The process meticulously controls conditions to result in the formation of a liquid medium that absorbs carbon monoxide, leading to cyclic urea formation at a temperature of at least about 120° C while maintaining optimal pressure conditions.

Another notable patent is for "Process for Preparing Cyclic Alkylene Ureas," which details a method for producing a cyclic alkylene urea product that further advances this field of study.

Career Highlights

Rens Veneman is currently a vital player at Nouryon Chemicals International B.V., an organization known for its commitment to innovation and sustainable practices in the chemicals sector. His contributions to the company highlight his expertise and dedication to advancing chemical processes and products.

Collaborations

Throughout his career, Veneman has collaborated with esteemed colleagues such as Antoon Jacob Berend Ten Kate and Michiel Jozef Thomas Raaijmakers. These partnerships reinforce the importance of teamwork in research and development, driving forward the boundaries of chemical innovation.

Conclusion

With 20 patents to his name, Rens Veneman exemplifies the impact of dedicated inventors in the field of chemical engineering. Through his pioneering work at Nouryon Chemicals International B.V., he continues to influence the manufacturing processes of cyclic urea compounds, exemplifying innovation in action.

Profile summary based on public USPTO records.