Roland Entschel

This inventor holds 7 USPTO granted patents. Top assignees: Sandoz Gmbh, Fidelity Union Trust Company, Executive Trustee Under the Sandoz Trust. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roland Entschel. Retrieved from https://idiyas.com/inventor/roland-entschel

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 45(Granted Patents)

Location History:

Basel, C (1976)
Allschwil, CH (1978 - 1979)
Basel, CH (1976 - 1980)

Company Filing History:

Fidelity Union Trust Company, Executive Trustee Under the Sandoz Trust

patents

Years Active: 1976-1980

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4225490 - Heterocyclyl-azo-phenyl dyes having a cationic group linked through a (1980-09-30),

2. 4213898 - Cationic 5-arylazo-6-hydroxypyridone-2 dyes (1980-07-22),

3. 4140684 - Azo dyes having a 6-hydroxy-pyridone-2 coupling component radical having (1979-02-20),

4. 4083842 - Diazo compounds containing two optionally (1978-04-11),

5. 4032532 - 1-Aminoalkylene-3-cyano-4-methyl-6-hydroxy-1,2-dihydropyrid-2-ones (1977-06-28),

6. 3998803 - 5-Arylazo-6-hydroxy-pyridone-2 dyes containing an amino or substituted (1976-12-21),

7. 3956271 - Process for the production of concentrated solutions of cationic azo dyes (1976-05-11),

Title: The Innovations of Roland Entschel

Introduction

Roland Entschel is a notable inventor based in Basel, Switzerland. He has made significant contributions to the field of chemistry, particularly in the development of dyes. With a total of six patents to his name, his work has had a lasting impact on various applications.

Latest Patents

Among his latest patents are innovations such as heterocyclyl-azo-phenyl dyes that feature a cationic group linked through specific compounds. These compounds include those of the formula ##STR1##, where R1 signifies a substituted thiazole, thiadiazole, isothiazole, oxadiazole, or thiophene radical. Additionally, he has developed cationic 5-arylazo-6-hydroxypyridone-2 dyes and azo dyes of the formula ##STR1##, wherein D represents an aromatic carbocyclic or heterocyclic diazo component radical.

Career Highlights

Throughout his career, Roland has worked with prominent companies such as Sandoz GmbH and Fidelity Union Trust Company, where he served as Executive Trustee Under the Sandoz Trust. His expertise in the field has allowed him to contribute to various projects and advancements in dye technology.

Collaborations

He has collaborated with notable coworkers, including Hermann Burkhard and Willy Steinemann, who have also made significant contributions to their respective fields.

Conclusion

Roland Entschel's innovative work in the field of dyes and his collaborations with esteemed colleagues highlight his importance as an inventor. His contributions continue 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]