Middlesbrough, United Kingdom

Josephine Anne Lefevre

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignee: Croda International, Inc.. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Josephine Anne Lefevre. Retrieved from https://idiyas.com/inventor/josephine-anne-lefevre

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


% Patents Active = 100.0


 

Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Cleveland, GB (2014)
  • Middlesbrough, GB (2014)

Company Filing History:


Years Active: 2014

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2 patents (USPTO):Explore Patents

Title: Josephine Anne Lefevre: Innovator in Engine Lubricants

Introduction

Josephine Anne Lefevre is a notable inventor based in Middlesbrough, GB. She has made significant contributions to the field of engine lubricants, holding 2 patents that showcase her innovative spirit and technical expertise.

Latest Patents

Her latest patents include a groundbreaking engine lubricant designed to enhance performance and efficiency. This engine lubricant, particularly an SAE OW formulation, contains at least 15 wt % of a monoester and not more than 15 wt % of additives. The monoester is derived from a monohydric alcohol and a monocarboxylic acid, ensuring optimal viscosity and evaporation loss characteristics. Additionally, she has developed a gear oil additive that comprises a polymeric ester, which is the reaction product of a polyfunctional alcohol and a dimer fatty acid. This formulation meets the specifications for API GL-4 gear oils, making it suitable for various automotive applications.

Career Highlights

Josephine is currently employed at Croda International, Inc., where she continues to innovate and contribute to the development of advanced lubricants. Her work has positioned her as a key player in the industry, focusing on enhancing the performance of automotive lubricants.

Collaborations

Throughout her career, Josephine has collaborated with talented individuals such as Stephen Boyde and Jane Kitching. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Josephine Anne Lefevre's contributions to engine lubricants and gear oil formulations highlight her role as a leading inventor in her field. Her innovative patents reflect her commitment to advancing technology and improving automotive performance.

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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