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For the Inventor, By the Inventor

Kennett Square, PA, United States of America

Richard E Ernst

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 126(Granted Patents)


Company Filing History:

goldMedal12 out of 16,338 
 
E.i. Dupont De Nemours and Company
 patents

Years Active: 1983-2003

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12 patents (USPTO):Explore Patents
1. 6566539 - Catalyst regeneration by treatment with an oxidizing agent (2003-05-20),
2. 6355846 - Narrowing of poly (tetramethylene ether) glycol (2002-03-12),
3. 6225477 - Process for regeneration of carbon-supported, rhenium-containing catalysts (2001-05-01),
4. 5596074 - Method for controlling color formation during polytetramethylene ether (1997-01-21),
5. 4954658 - Process for reducing fluoride levels in poly(tetramethylene ether) glycol (1990-09-04),
6. 4879420 - Preparation of mixtures of butanediols (1989-11-07),
7. 4859801 - Synthesis of mixtures of butanediols (1989-08-22),
8. 4590312 - Process for preparing 2-alkyl-1,4-butanediols (1986-05-20),
9. 4590285 - Process for preparing a mixture of tetrahydrofuran and 3-alkyl (1986-05-20),
10. 4499291 - Process for simultaneous hydrogenation of 2-butyne-1,4-diol and furan (1985-02-12),
11. 4413136 - Purification of tetrahydrofuran (1983-11-01),
12. 4383895 - Purification of 1,4-butanediol (1983-05-17),

Title: Richard E. Ernst – A Pioneer in Catalysis and Polymer Science

Introduction

Richard E. Ernst, an accomplished inventor based in Kennett Square, Pennsylvania, has made significant contributions to the fields of catalysis and polymer science. With a remarkable portfolio of 12 patents, Ernst has played a crucial role in advancing chemical processes that have practical applications in various industries.

Latest Patents

Among Ernst's latest patents is a process for catalyst regeneration by treatment with an oxidizing agent. This innovative method allows for the production of tetrahydrofuran, gamma butyrolactone, 1,4-butane diol, and similar compounds from hydrogenatable precursors like maleic acid and succinic acid, using hydrogen and a noble metal catalyst. The regeneration of the spent noble metal catalyst utilizing oxidizing agents such as hydrogen peroxide, oxygen, or air significantly enhances the efficiency of this process.

Another notable invention includes a process for producing poly(tetramethylene ether) glycol (PTMEG) with a narrowed molecular weight ratio. This new method enables the production of copolymers with specific dispersity ranges by feeding PTMEG or copolymers to a stripping apparatus under controlled temperature and pressure conditions, leading to enhanced performance and applications in polymers.

Career Highlights

Richard E. Ernst is associated with E.I. du Pont de Nemours and Company, commonly referred to as DuPont, a leading innovator in science and technology. Throughout his career, he has focused on developing efficient chemical processes that have expanded the capabilities of various materials and products.

Collaborations

Throughout his career, Ernst has collaborated with esteemed colleagues such as Daniel Campos and John Byrne Michel. These partnerships have fostered an environment of innovation and have led to the successful development of numerous patented technologies that have significantly impacted the industry.

Conclusion

Richard E. Ernst's contributions to catalysis and polymer science exemplify the spirit of innovation that drives progress in the field. With 12 patents to his name, his work continues to influence various applications and enhance the understanding of chemical processes. His collaborations have further strengthened the foundation for future advancements in technology and materials science.

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