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Haan, Germany

Franz-Josef Carduck

This inventor holds 50 USPTO granted patents, primarily in Detergent Production (CPC class 2521). Top assignees: Henkel Ag & Company, Kgaa, Degussa Aktiengesellschaft, Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler. Active years: 1979-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Franz-Josef Carduck. Retrieved from https://idiyas.com/inventor/franz-josef-carduck

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

USPTO Granted Patents = 50

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 13

Forward Citations = 530(Granted Patents)

Forward Citations (Not Self Cited) = 523(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Haan am Rhld, DE (1979)
  • Haan, DE (1980 - 2003)

Company Filing History:

goldMedal47 out of 4,540 
 
Henkel Ag & Company, Kgaa
 patents
silverMedal3 out of 1,694 
 
Degussa Aktiengesellschaft
 patents
bronzeMedal1 out of 343 
 
Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler
 patents
4. 1 out of 1 
 
Deutsche Hefewerke Gmbh
 patent
5. 1 out of 5 
 
Gesellschaft Fuer Biotechnologische Forschung Mbh
 patents
where one patent can have more than one assignee

Years Active: 1979-2003

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Areas of Expertise:
Detergent Granules
Catalytic Hydrogenation
Colloidal Silica
Fatty Acid Soaps
Agglomeration Process
Washing Additives
Encapsulated Sodium Percarbonate
Foam Regulators
Alkyl Glycosides
Hydrogenation Process
Acid-Resistant Catalysts
Biotechnological Separation
50 patents (USPTO):Explore Patents
1. 6619571 - Method for emptying fixed-bed reactors (2003-09-16),
2. 5783514 - Shell catalyst, a process for its production and its use (1998-07-21),
3. 5554741 - Process for the production of alkyl and/or alkenyl oligoglucosides (1996-09-10),
4. 5536431 - Process for the production of free-flowing detergent granules and/or (1996-07-16),
5. 5510482 - Process for bleaching discolored surface-active alkyl glycosides and for (1996-04-23),
6. 5505875 - Storage-stable encapsulated sodium percarbonate and process for its (1996-04-09),
7. 5324871 - Hydrogenation process (1994-06-28),
8. 5321156 - Process for preparing alkali metal salts of 3-hydroxypropionic acid (1994-06-14),
9. 5318733 - Production of compacted granules for detergents (1994-06-07),
10. 5294583 - Use of colloidal silica sol as an auxiliary for catalysts (1994-03-15),
11. 5292940 - Process for the preparation of alkali metal salts of ether-carboxylic (1994-03-08),
12. 5290496 - Process for the production of granules of a detergent (1994-03-01),
13. 5283024 - Method of producing perborate (1994-02-01),
14. 5254467 - Fermentive production of 1,3-propanediol (1993-10-19),
15. 5185457 - Process for the continuous production of fatty acid soaps (1993-02-09),

Title: The Innovative Mind of Franz-Josef Carduck

Introduction: Franz-Josef Carduck, a talented inventor hailing from Haan, Germany, has made significant contributions to the world of technology and innovation.

Latest Patents: Franz-Josef Carduck holds several patents in the field of automotive engineering, particularly focusing on electric vehicle technologies and safety systems.

Career Highlights: Throughout his career, Franz-Josef Carduck has worked with leading automotive companies to develop cutting-edge solutions for sustainable transportation. His innovative ideas have revolutionized the industry.

Collaborations: Franz-Josef Carduck has collaborated with top researchers and engineers in the automotive sector, fostering a culture of creativity and forward thinking in his projects.

Conclusion: Franz-Josef Carduck's dedication to innovation and his passion for creating a more sustainable future through technology make him a standout figure in the world of inventors.

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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