logo

For the Inventor, By the Inventor

Kelkheim, Germany

Hans H Steuernagel

This inventor holds 9 USPTO granted patents. Top assignees: Hoechst Aktiengesellschaft, Hoechst Celanese Corporation, Other. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans H Steuernagel. Retrieved from https://idiyas.com/inventor/hans-h-steuernagel

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 45(Granted Patents)


Location History:

  • Kelkheim, Taunus, DE (1976)
  • Kelkheim, DE (1980 - 1990)

Company Filing History:

goldMedal7 out of 6,705 
 
Hoechst Aktiengesellschaft
 patents
silverMedal2 out of 1,194 
 
Hoechst Celanese Corporation
 patents
bronzeMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-1990

Loading Chart...
9 patents (USPTO):Explore Patents
1. 4948917 - Process for the preparation of beta-chloroethylsulfonylaryl isocyanates (1990-08-14),
2. 4906738 - Water-soluble phenyl- or naphthyl-azo-carboxypyrazolone compounds, (1990-03-06),
3. 4855411 - Water-soluble, monoazo dyes containing a ureido group and two sulfonyl (1989-08-08),
4. 4760134 - Process for the preparation of the copper complex disazo compounds from (1988-07-26),
5. 4334076 - Process for the preparation of sulfuric acid semiester ethylsulfonyl (1982-06-08),
6. 4315865 - Process for the production of sulfuric acid semiester compounds by (1982-02-16),
7. 4252529 - Copper, cobalt or chromium complex monoazo compounds, processes for (1981-02-24),
8. 4191703 - Process for the manufacture of sulfuric acid semi-ester compounds (1980-03-04),
9. 3980426 - Process for printing or pad-dyeing cellulose/polyester mixed fabrics (1976-09-14),

Title: Innovations and Contributions of Hans H Steuernagel

Introduction

Hans H Steuernagel is a notable inventor based in Kelkheim, Germany. He has made significant contributions to the field of chemistry, particularly in the development of various chemical processes and compounds. With a total of nine patents to his name, Steuernagel's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents is a process for the preparation of beta-chloroethylsulfonylaryl isocyanates. This innovative process involves the synthesis of water-soluble phenyl- or naphthyl-azo-carboxypyrazolone compounds. These compounds are characterized by their ability to produce deep and fast dyeings and prints on cellulose fiber materials, showcasing their excellent fiber-reactive dyestuff properties.

Career Highlights

Steuernagel has had a distinguished career, working with prominent companies such as Hoechst Aktiengesellschaft and Hoechst Celanese Corporation. His expertise in chemical processes has been instrumental in advancing the capabilities of these organizations.

Collaborations

Throughout his career, Steuernagel has collaborated with esteemed colleagues, including Ernst Hoyer and Fritz Meininger. These partnerships have contributed to the successful development of innovative chemical solutions.

Conclusion

Hans H Steuernagel's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and inspire future innovations.

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]
Loading…