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For the Inventor, By the Inventor

Lyons, France

Jean Gauthier-Lafaye

USPTO Granted Patents = 17

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 97(Granted Patents)


Location History:

  • Lyons, FR (1981 - 1986)
  • Lyon, FR (1991)

Company Filing History:

goldMedal12 out of 521 
 
Rhone-poulenc Industries
 patents
silverMedal4 out of 52 
 
Rhone-poulenc Chimie De Base
 patents
bronzeMedal1 out of 202 
 
Rhone-poulenc Specialites Chimiques
 patents

Years Active: 1981-1991

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17 patents (USPTO):Explore Patents
1. 4997978 - Preparation of alkyl carboxylates by hydrocarbonylation (1991-03-05),
2. 4619791 - Carbonylation of methyl acetate to acetic anhydride (1986-10-28),
3. 4618460 - Process for the preparation of acetic anhydride (1986-10-21),
4. 4609504 - Process for the preparation of acetic anhydride (1986-09-02),
5. 4576809 - Preparation of alkali or alkaline earth metal cobalttetracarbonylates (1986-03-18),
6. 4511517 - Carbonylation of methyl acetate (1985-04-16),
7. 4500474 - Carbonylation of methyl acetate (1985-02-19),
8. 4500473 - Preparation of carboxylic acid anhydrides (1985-02-19),
9. 4436889 - Preparation of carboxylic acids by carbonylation of alcohols (1984-03-13),
10. 4431835 - Hydrocarbonylation/carbonylation of alkyl carboxylates (1984-02-14),
11. 4430506 - Hydrocarbonylation/carbonylation of alkyl carboxylates (1984-02-07),
12. 4426537 - Preparation of carboxylic acids by carbonylation of alcohols (1984-01-17),
13. 4353844 - Preparation of anhydrides by carbonylation of esters (1982-10-12),
14. 4351953 - Preparation of carboxylic acids by carbonylation of alcohols (1982-09-28),
15. 4324927 - Process for the homologization of methanol (1982-04-13),

Title: The Innovative Contributions of Jean Gauthier-Lafaye

Introduction

Jean Gauthier-Lafaye, a prominent inventor based in Lyons, France, has made significant contributions to chemical engineering through his innovative patents. With a total of 17 patents, he has demonstrated a strong commitment to advancing industrial chemistry, particularly in the field of alkyl carboxylates and carbonylation processes.

Latest Patents

Among his latest patents, Gauthier-Lafaye focuses on the preparation of alkyl carboxylates through hydrocarbonylation. His notable inventions include a process for carbonylating methyl acetate to acetic anhydride. This process involves the use of carbon monoxide in a liquid phase reaction within an anhydrous medium, utilizing a catalytically effective combination of nickel, methyl iodide, an alkali metal iodide, and a crown ether to achieve the desired results.

Career Highlights

Throughout his career, Jean Gauthier-Lafaye has worked with esteemed companies, notably Rhone-Poulenc Industries and Rhone-Poulenc Chimie de Base. His extensive experience in these organizations has allowed him to leverage his innovative mindset, continually pushing the boundaries of chemical applications in industry.

Collaborations

Innovation often flourishes in collaborative environments, and Gauthier-Lafaye has benefited from working alongside esteemed colleagues such as Robert M. Perron and Claude Doussain. Their combined expertise in chemistry has undoubtedly contributed to the success of their projects and advancements in the field.

Conclusion

Jean Gauthier-Lafaye stands out as a remarkable inventor whose 17 patents reflect his dedication to the advancement of chemical engineering. His innovative processes for the preparation of alkyl carboxylates and carbonylation illustrate not only his expertise but also his pivotal role in contributing to the scientific community. As he continues to innovate, the impact of his work will likely resonate within both academic and industrial circles for years to come.

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