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For the Inventor, By the Inventor

Therwil, Switzerland

Francois L'Eplattenier

USPTO Granted Patents = 19

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 160(Granted Patents)


Location History:

  • Riehen, CH (1976)
  • Therwill, CH (1976)
  • Therwil, CH (1976 - 1982)

Company Filing History:

goldMedal19 out of 6,858 
 
Ciba-Geigy Corporation
 patents

Years Active: 1976-1982

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19 patents (USPTO):Explore Patents
1. 4327212 - Isoindoline-azine nickel complex with piperazine (1982-04-27),
2. 4237293 - Metal complexes of azomethines (1980-12-02),
3. 4237292 - Metal complexes of azomethines (1980-12-02),
4. 4237286 - Metal complexes of azomethines (1980-12-02),
5. 4144258 - 1:1-Heterocyclic azo methine-metal complex dyestuffs (1979-03-13),
6. 4132708 - Metal complexes of azomethines and process for their manufacture (1979-01-02),
7. 4111947 - Novel metal complexes of azomethines and process for their manufacture (1978-09-05),
8. 4097484 - Mixed complexes of methine dyes (1978-06-27),
9. 4065481 - 1:1-Azomethine-metal-complex dyestuffs (1977-12-27),
10. 4044036 - Metal complexes of bis-azomethines from hydroxy-aldehydes and alkylene (1977-08-23),
11. 4024132 - Azomethine pigments (1977-05-17),
12. 4022770 - Metal complexes of azomethines and process for their manufacture (1977-05-10),
13. 4016157 - Metal complexes of bis-hydrazones (1977-04-05),
14. 4012371 - Benzinaldazolyl-, quinolonyl-, or (1977-03-15),
15. 4008225 - Process for the manufacture of bis-azomethine metal complex colorants (1977-02-15),

Title: François L'Eplattenier: Innovator in Color Chemistry

Introduction

François L'Eplattenier, based in Therwil, Switzerland, is a notable inventor with a strong portfolio of 19 patents. His work primarily focuses on innovations in color chemistry, advancing the industry with his inventive concepts.

Latest Patents

Among his latest patent contributions, L'Eplattenier has developed the isoindoline-azine nickel complex with piperazine, specifically designed to color plastics, lacquers, and printing inks in yellow shades with outstanding fastness properties. Additionally, he has invented metal complexes of azomethines, which are utilized for coloring plastics and lacquers in shades ranging from yellow to red, also ensuring excellent fastness properties.

Career Highlights

L'Eplattenier's career is marked by his association with Ciba-Geigy Corporation, a pioneering company in the field of specialty chemicals. His innovative work in the development of colorants has positioned him as a key player in enhancing product durability and aesthetic appeal.

Collaborations

Throughout his career, L'Eplattenier has collaborated with talented individuals including coworkers Andre Pugin and Laurent Vuitel. Their combined expertise has contributed significantly to the advancements in color chemistry and related applications.

Conclusion

François L'Eplassenier continues to innovate within the color chemistry sector. His patents not only reflect his dedication to the field but also demonstrate the impact of his work on industries that rely on high-quality colorants.

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