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For the Inventor, By the Inventor

Schinnen, Netherlands

Marinus Alfenaar

USPTO Granted Patents = 14

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 124(Granted Patents)


Company Filing History:

goldMedal9 out of 574 
 
Stamicarbon B.v.
 patents
silverMedal5 out of 12 
 
Electrochemische Energieconversie, N.v.
 patents

Years Active: 1976-1987

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14 patents (USPTO):Explore Patents
1. 4693793 - Process for the electrochemical oxidation of alkylpyridines (1987-09-15),
2. 4605601 - Method of operation of a fuel cell (1986-08-12),
3. 4576877 - Fuel cell (1986-03-18),
4. 4552636 - Process for removing ammonium-ions in an oxime preparation from a (1985-11-12),
5. 4403018 - Apparatus for supplying or draining a fluid to or from the marginal (1983-09-06),
6. 4294892 - Method for the operation of a fuel cell (1981-10-13),
7. 4237195 - Porous electrode (1980-12-02),
8. 4202767 - Process and device for the purification of waste water by means of (1980-05-13),
9. 4127468 - Process for preparing a metal electrode (1978-11-28),
10. 4091176 - Porous electrode (1978-05-23),
11. 4048386 - Process for making an electrochemical cell or battery, e.g. a fuel cell (1977-09-13),
12. 4024033 - Process for preparing cyanogen halides (1977-05-17),
13. 3976755 - Process of reducing nitrate or nitrile ions by means of liquid amalgams, (1976-08-24),
14. 3947419 - Preparation of cyanuric chloride (1976-03-30),

Title: The Innovative Contributions of Marinus Alfenaar

Introduction: Marinus Alfenaar is a distinguished inventor based in Schinnen, Netherlands, known for his significant contributions to the field of electrochemical processes and fuel cell technology. With a remarkable portfolio of 14 patents, Alfenaar continues to push the boundaries of innovation in chemistry and energy solutions.

Latest Patents: Among his recent inventions, Alfenaar has developed a method for the electrochemical oxidation of alkylpyridines. This process entails the oxidation of an alkylpyridine compound in an acidic medium using a lead-containing anode within an electrolytic cell. The invention employs an anion-exchange membrane as the ion-exchange medium and utilizes a dilute aqueous solution of the same acid as the catholyte, following which the reaction products are recovered from the anolyte.

Another notable patent is his method of operation for a fuel cell. This innovative approach operates the fuel cell with a stoichiometric excess of fuel at the anode compared to the oxidant in the cathode. The method ensures that the total electrical resistance between the anode and cathode is maintained within specific parameters, allowing for efficient operation even after stopping the external current drain, thereby enhancing the functionality and longevity of the fuel cell.

Career Highlights: Marinus Alfenaar has made significant strides in his career, working with leading companies such as Stamicarbon B.V. and Electrochemische Energieconversie N.V. His work has been instrumental in advancing technologies that cater to energy conversion and chemical processing.

Collaborations: During his career, Alfenaar has collaborated with esteemed colleagues, including Franciscus T Van Den Brink and Desire J Jadoul. These partnerships have fostered a dynamic exchange of ideas, contributing to the development of innovative technologies in the field.

Conclusion: Marinus Alfenaar's enduring dedication to innovation and technology development positions him as a pivotal figure in the realm of electrochemistry and energy solutions. With 14 patents to his name, his contributions are a testament to the impact and importance of continued research and development in addressing contemporary energy challenges.

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