West Chester, PA, United States of America

David W Leyshon

This inventor holds 36 USPTO granted patents and 8 published patent applications, plus 3 CIPO patents and 11 EPO patents, primarily in Olefin Production. Top assignees: Lyondell Chemical Technology, L.p., Arco Chemical Technology, L.p., Atlantic Richfield Company. Active years: 1989-2023.

USPTO Granted Patents = 36 (Patent Applications = 8)

% Patents Active = 86.1

CIPO Patents = 3 (Patent Applications = 8)

EPO Patents = 11 (Patent Applications = 15)

Average Co-Inventor Count = 2.4

ph-index = 9

Forward Citations = 423(Granted Patents)

Location History:

West Chester, PA (US) (1989 - 2015)
Houston, TX (US) (2017 - 2023)

Company Filing History:

19 out of 203

Lyondell Chemical Technology, L.p.

patents

13 out of 628

Arco Chemical Technology, L.p.

patents

3 out of 1,851

Atlantic Richfield Company

patents

4. 2 out of 413

Equistar Chemicals, LP

patents

5. 1 out of 834,307

Other

patents

where one patent can have more than one assignee

Years Active: 1989-2023

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Areas of Expertise:

Titanated Catalysts

Olefin Isomerization

Propylene Production

Alkylene Oxide Separation

Epoxidation Process

Hydrogen Peroxide

Methane Conversion

Catalyst Performance

Desulfurization

Oxidative Methods

Process Improvement

Propylene Oxide

36 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11590477 - Titanated catalysts, methods of preparing titanated catalysts, and methods of epoxidation (2023-02-28),

2. 11440858 - Method of improving olefin isomerization (2022-09-13),

3. 11261142 - Isobutylene to propylene process flow improvement (2022-03-01),

4. 10513502 - Alkylene oxide separation system (2019-12-24),

5. 10513472 - Methods of producing propylene and ethylene (2019-12-24),

6. 10233166 - Alkylene oxide separation systems, methods, and apparatuses (2019-03-19),

7. 9932318 - Catalyst performance in propylene epoxidation (2018-04-03),

8. 9873648 - Oxidative methods of phosphorus removal from liquid hydrocarbons (2018-01-23),

9. 9643943 - Process for forming propylene oxide from oxidation of methyl benzyl alcohol (2017-05-09),

10. 9593090 - Alkylene oxide separation systems, methods, and apparatuses (2017-03-14),

11. 9586881 - Production of propylene glycol monoalkyl ether (2017-03-07),

12. 8981133 - Alkylene oxide separation systems, methods, and apparatuses (2015-03-17),

13. 8178737 - Propylene production (2012-05-15),

14. 8067655 - Diisobutylene process (2011-11-29),

15. 7816572 - Propylene and isoprene production (2010-10-19),

Title: The Inventor David W Leyshon: Pioneering Innovations in West Chester, PA

Introduction: David W Leyshon is a distinguished inventor based in West Chester, PA, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Leyshon's latest patents include a cutting-edge technology for renewable energy storage systems and a revolutionary design for sustainable agricultural irrigation systems.

Career Highlights: With over two decades of experience in the industry, Leyshon has a proven track record of developing practical solutions to complex problems. His work has significantly impacted the fields of clean energy, agriculture, and environmental sustainability.

Collaborations: Throughout his career, Leyshon has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His partnerships have led to the successful commercialization of several patented technologies.

Conclusion: David W Leyshon's dedication to innovation and his passion for creating a positive impact on society have established him as a prominent figure in the world of inventors. His relentless pursuit of excellence continues to inspire future generations of innovators.