Middlesbrough, United Kingdom

Joan Fraga-Dubreuil

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Invista North America S.a.r.l.. Active years: 2015-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joan Fraga-Dubreuil. Retrieved from https://idiyas.com/inventor/joan-fraga-dubreuil

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Middlesbrough, GB (2015 - 2018)
  • Middlesborough, GB (2017 - 2018)

Company Filing History:


Years Active: 2015-2018

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4 patents (USPTO):Explore Patents

Title: Joan Fraga-Dubreuil: Innovator in Nickel Complexation Technologies

Introduction

Joan Fraga-Dubreuil is a prominent inventor based in Middlesbrough, GB. She has made significant contributions to the field of nickel complexation technologies, holding a total of 4 patents. Her work focuses on enhancing the efficiency of nickel-containing complexation precursors and their applications in various chemical processes.

Latest Patents

One of her latest patents is titled "Nickel having high ligand-complexation activity and methods for making the same." This patent discloses nickel-containing complexation precursors that exhibit high complexation activity for bidentate phosphite ligands. The methods outlined in this patent involve contacting a nickel starting material with a reductant under specific conditions to generate a nickel-containing complexation precursor with at least about 1,500 ppmw sulfur in the form of sulfide. Another notable patent is related to "Metal-ligand catalyst formation," where nickel treated with sulfur is described as an effective source of nickel atoms for generating nickel-phosphorus-containing ligand complexes, which are useful as hydrocyanation catalysts.

Career Highlights

Joan Fraga-Dubreuil has established herself as a key figure in her field through her innovative research and development efforts. Her work has not only advanced the understanding of nickel complexation but has also contributed to the development of more efficient catalytic processes.

Collaborations

Joan has collaborated with notable colleagues such as Vinay Medhekar and Keith Whiston, further enhancing the impact of her research through teamwork and shared expertise.

Conclusion

Joan Fraga-Dubreuil's contributions to nickel complexation technologies exemplify her innovative spirit and dedication to advancing chemical processes. Her patents reflect her commitment to improving efficiency in the field, making her a significant figure in contemporary invention.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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