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For the Inventor, By the Inventor

Dion-Valmont, Belgium

Jean A Hannart

This inventor holds 7 USPTO granted patents. Top assignees: Omnichem, S.a., Omnichem. Active years: 1983-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jean A Hannart. Retrieved from https://idiyas.com/inventor/jean-a-hannart

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 = 2.0

ph-index = 5

Forward Citations = 134(Granted Patents)


Company Filing History:

goldMedal4 out of 4 
 
Omnichem, S.a.
 patents
silverMedal3 out of 3 
 
Omnichem
 patents

Years Active: 1983-1991

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7 patents (USPTO):Explore Patents
1. 5030620 - Vinblastine derivatives, and pharmaceutical compositions containing them (1991-07-09),
2. 4870162 - Conjugates of vinblastine, a process for their preparation and their use (1989-09-26),
3. 4828831 - New conjugates of vinblastine and its derivatives, process for preparing (1989-05-09),
4. 4639456 - Vinblastin-23-oyl amino acid derivatives (1987-01-27),
5. 4617305 - 4-alkylindolonaphthyridines and their therapeutical application (1986-10-14),
6. 4389405 - 1,10-Dimethyl-2,7-dihydrooxayohimbanes an anti-arrhythmic use thereof (1983-06-21),
7. 4388305 - Vinblastin-23-oyl amino acid derivatives for use as antitumor agents (1983-06-14),

Title: Jean A Hannart: Innovator in Pharmaceutical Chemistry

Introduction

Jean A Hannart is a notable inventor based in Dion-Valmont, Belgium. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of vinblastine derivatives. With a total of 7 patents to his name, Hannart's work has had a considerable impact on anti-tumor therapies.

Latest Patents

Hannart's latest patents include innovative formulations and conjugates that enhance the efficacy of vinblastine. One of his notable inventions is related to vinblastine derivatives and pharmaceutical compositions containing them. This patent describes conjugates of vinca alkaloids of the indole-dihydroindole type with proteins or protein fragments. Another significant patent focuses on new conjugates of vinblastine and its known derivatives, which are useful as anti-tumor agents. These inventions also detail intermediates that are active in chemotherapy, showcasing Hannart's commitment to advancing cancer treatment.

Career Highlights

Throughout his career, Jean A Hannart has worked with prominent companies in the pharmaceutical industry, including Omnichem. His expertise in the field has allowed him to develop groundbreaking solutions that address critical health challenges.

Collaborations

Hannart has collaborated with esteemed colleagues such as Andre B Trouet and Kandukuri S Rao. These partnerships have further enriched his research and contributed to the success of his inventions.

Conclusion

Jean A Hannart's contributions to pharmaceutical chemistry, particularly in the area of vinblastine derivatives, highlight his innovative spirit and dedication to improving cancer therapies. His work continues to inspire advancements in the field.

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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