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For the Inventor, By the Inventor

Binningen, Switzerland

Christian Zickendraht

This inventor holds 15 USPTO granted patents. Top assignees: Ciba-Geigy Ag, Ciba-Geigy Corporation. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Christian Zickendraht. Retrieved from https://idiyas.com/inventor/christian-zickendraht

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 25(Granted Patents)


Company Filing History:

goldMedal9 out of 595 
 
Ciba-Geigy Ag
 patents
silverMedal6 out of 6,858 
 
Ciba-Geigy Corporation
 patents

Years Active: 1976-1988

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15 patents (USPTO):Explore Patents
1. 4734490 - Water soluble phthalimide-azo-aniline dyes and mixtures thereof (1988-03-29),
2. 4260770 - Naphtholactam dyes (1981-04-07),
3. 4256896 - Naphtholactam dyestuffs (1981-03-17),
4. 4246422 - Naphtholactam dyestuffs (1981-01-20),
5. 4246410 - Naphtholactam dyestuffs (1981-01-20),
6. 4236007 - Naphtholactam dyestuffs (1980-11-25),
7. 4210757 - Novel naphthoylene-perinones disperse dyestuffs (1980-07-01),
8. 4180665 - Substituted (1979-12-25),
9. 4159379 - Dispersion dyestuffs of the naphtholactam series (1979-06-26),
10. 4148805 - Naphtholactam dyestuffs (1979-04-10),
11. 4146541 - Naphtholactam dyestuffs (1979-03-27),
12. 4067889 - Disperse dyestuffs (1978-01-10),
13. 4056528 - Disperse dyes (1977-11-01),
14. 4002619 - Coumarine dyestuffs of the dispersion series (1977-01-11),
15. 3970675 - Disperse dyestuffs (1976-07-20),

Title: Christian Zickendraht: Innovator in Dye Chemistry

Introduction

Christian Zickendraht is a notable inventor based in Binningen, Switzerland. He has made significant contributions to the field of dye chemistry, holding a total of 15 patents. His work primarily focuses on the development of novel dye compounds that have various applications in textile materials.

Latest Patents

Among his latest patents, Zickendraht has developed water-soluble phthalimide-azo-aniline dyes and mixtures thereof. These novel monoazo compounds are characterized by specific substituents, including phenyl or naphthyl radicals, and are particularly suitable for dyeing and printing textile materials, especially wool and polyamide. Additionally, he has worked on naphtholactam dyes, which are also designed for similar applications.

Career Highlights

Throughout his career, Zickendraht has been associated with prominent companies such as Ciba-Geigy AG and Ciba-Geigy Corporation. His work in these organizations has allowed him to advance his research and contribute to the development of innovative dye solutions.

Collaborations

Zickendraht has collaborated with notable individuals in his field, including Hansrudolf Schwander and Siegfried Dengler. These partnerships have further enriched his research and development efforts.

Conclusion

Christian Zickendraht's contributions to dye chemistry through his innovative patents have made a significant impact on the textile industry. His work continues to influence the development of new dye compounds that enhance the quality and versatility of textile materials.

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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