James Hanley Clark

This inventor holds 15 USPTO granted patents and 6 published patent applications, plus 1 CIPO patent and 5 EPO patents. Top assignees: University of York, Exxonmobil Chemical Patents Inc., Conopco, Inc.. Active years: 1988-2023.

USPTO Granted Patents = 15 (Patent Applications = 6)

% Patents Active = 66.7

CIPO Patents = 1

EPO Patents = 5 (Patent Applications = 10)

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 57(Granted Patents)

Location History:

York North Yorkshire, GB (2016)
York, GB (1988 - 2023)

Company Filing History:

Exxonmobil Chemical Patents Inc.

Hoechst Aktiengesellschaft

patents

5. 1 out of 3,840

Imperial Chemical Industries Limited

patents

6. 1 out of 1

Interface International B.v.

Victrex Manufacturing Limited

patents

Years Active: 1988-2023

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11591283 - Process for the production of dialkyl terephthalate (2023-02-28),

2. 10774089 - Method for producing levoglucosenone (2020-09-15),

3. 10738021 - Preparation of TMTHF (2020-08-11),

4. 10072227 - Microwave torrefaction of biomass (2018-09-11),

5. 9752062 - Switchable adhesive and objects utilizing the same (2017-09-05),

6. 9457338 - Polysaccharide derived materials (2016-10-04),

7. 9382339 - Microwave assisted citrus waste biorefinery (2016-07-05),

8. 8790548 - Carbonaceous materials (2014-07-29),

9. 6867267 - Petroleum resins and their production with BF3 catalyst (2005-03-15),

10. 6646067 - Petroleum resins and their production with BF3 catalyst (2003-11-11),

11. 6479598 - Petroleum resins and their production with BF3 catalyst (2002-11-12),

12. 6403743 - Petroleum resins and their production with supported catalyst (2002-06-11),

13. 6274770 - Process for preparation of aromatic compounds (2001-08-14),

14. 5237087 - Process for the preparation of chlorinated and fluorinated benzene (1993-08-17),

15. 4780559 - Process for preparing organic fluorides (1988-10-25),

Title: Innovations of James Hanley Clark

Introduction

James Hanley Clark is a notable inventor based in York, GB. He has made significant contributions to the field of chemical engineering, holding a total of 15 patents. His work focuses on innovative processes that enhance the production of various chemical compounds.

Latest Patents

Among his latest patents is a process for the production of dialkyl terephthalate. This process involves several steps, including providing furan-2,5-dicarboxylate, esterifying it with alcohol, and reacting it with ethylene under specific conditions. The Diels-Alder reaction utilized in this process is notable for being solvent-free and employing a catalyst that comprises a clay with metal ions and Lewis acidity. Another significant patent is a method for producing (−)-levoglucosenone, which involves heating lignin to a temperature exceeding 150°C to convert a portion of the lignin into the desired compound.

Career Highlights

James has worked with prominent organizations, including the University of York and ExxonMobil Chemical Patents Inc. His experience in these institutions has allowed him to develop and refine his innovative processes, contributing to advancements in chemical production.

Collaborations

James has collaborated with notable colleagues, including Kenneth Lewtas and Maria Leonor Garcia. Their combined expertise has fostered a productive environment for innovation and research.

Conclusion

James Hanley Clark's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a significant inventor. His innovative processes continue to influence the industry and pave the way for future advancements.