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Kleinwallstadt, Germany

Hans-Georg Zengel

This inventor holds 18 USPTO granted patents. Top assignees: Akzo N.v., Akzona Incorporated. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Georg Zengel. Retrieved from https://idiyas.com/inventor/hans-georg-zengel

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 88(Granted Patents)


Company Filing History:

goldMedal11 out of 776 
 
Akzo N.v.
 patents
silverMedal7 out of 511 
 
Akzona Incorporated
 patents

Years Active: 1976-1991

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18 patents (USPTO):Explore Patents
1. 5021603 - Thiuram polysulfide production (1991-06-04),
2. 4783572 - Process for the preparation of ethylene-ethane mixtures (1988-11-08),
3. 4746561 - Polyimide-containing cover layer for a printed circuit element (1988-05-24),
4. 4705720 - Flexible multi-layer polyimide laminates (1987-11-10),
5. 4699841 - Flexible multilayer polymide laminates (1987-10-13),
6. 4558135 - Process for the preparation of dithiazolyl disulfides (1985-12-10),
7. 4437960 - Method for the crosslinking of cathodically depositable coating agents (1984-03-20),
8. 4393238 - Method for the production of blocked isocyanates (1983-07-12),
9. 4357447 - Polymere N-halogenamide auf basis von acryl-und methacrylamid (1982-11-02),
10. 4356289 - Polymeric N-halogenoamides on the basis of acrylamide and methacrylamide (1982-10-26),
11. 4342707 - Process for the preparation of bis-N-chloramides (1982-08-03),
12. 4316031 - Process for the preparation of 2-mercaptobenzothiazole (1982-02-16),
13. 4289869 - Mixture hardening under the influence of air moisture and a process for (1981-09-15),
14. 4259258 - Preparation of bis-n-chloramides of cycloaliphatic carboxylic acids (1981-03-31),
15. 4123461 - Benzene-tricarboxylic acid-(1,3,5)-tri-N-chloramide and process for the (1978-10-31),

Title: The Innovative Legacy of Hans-Georg Zengel

Introduction: Hans-Georg Zengel, a visionary inventor hailing from Kleinwallstadt, Germany, has left an indelible mark in the field of technology with his relentless dedication to innovation and sustainability. His impressive portfolio of 18 patents is a testament to his pioneering spirit and commitment to shaping the future of our world.

Latest Patents: Among his latest patents is a groundbreaking process for the production of thiuram polysulfides substituted by various hydrocarbon radicals. This innovative method involves the reaction of correspondingly substituted secondary amines with carbon disulfide and sulfur in the presence of a metal-containing catalyst and oxygen. The high purity of the resulting thiuram polysulfide makes it ideal for use as a vulcanization accelerator or sulfur donor, with exceptional yields and selectivities.

Another notable patent by Zengel is a process for the preparation of ethane and ethylene through the oxidation of methane with oxygen using lead (II) oxide as a catalyst. This process, whether with or without carriers, exhibits high selectivities in producing ethane and ethylene with excellent catalyst activities, showcasing Zengel's innovative approach to chemical processes.

Career Highlights: Zengel has made significant contributions to companies such as Akzo N.V. and Akzona Incorporated during his illustrious career. His innovative mindset and problem-solving abilities have propelled these organizations towards excellence in the realm of technology and sustainability.

Collaborations: Throughout his career, Zengel has collaborated with esteemed professionals in the industry, including Manfred F. Bergfeld and Ernst F. Kundinger. These collaborations have not only led to the development of groundbreaking technologies but have also fostered a culture of innovation and excellence in the workplace.

Conclusion: Hans-Georg Zengel's unwavering dedication to innovation and sustainability continues to inspire the next generation of inventors. His exceptional achievements in the field of technology, as evidenced by his numerous patents and successful collaborations, underscore his status as a visionary inventor who is shaping the future of our world. Zengel's innovative legacy serves as a beacon of inspiration for aspiring inventors worldwide, showcasing the transformative power of creativity and ingenuity in driving positive change.

Profile summary based on public USPTO records.
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]
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