Port Arthur, TX, United States of America

Mary E Callaghan

This inventor holds 2 USPTO granted patents. Top assignee: Texaco Inc.. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mary E Callaghan. Retrieved from https://idiyas.com/inventor/mary-e-callaghan

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1976-1978

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2 patents (USPTO):Explore Patents

Title: Mary E. Callaghan: Innovator in Desulfurization Catalysts

Introduction

Mary E. Callaghan is a notable inventor based in Port Arthur, TX (US). She has made significant contributions to the field of petroleum processing, particularly in the development of desulfurization catalysts. With a total of 2 patents to her name, her work has had a substantial impact on the efficiency of hydrocarbon processing.

Latest Patents

Mary E. Callaghan's latest patents include innovative methods for treating desulfurization catalysts. One of her patents focuses on activating a desulfurization catalyst by heating it to a temperature between about 750°F and 850°F in the presence of the charge stock to be desulfurized during the initial stages of the on-stream period. In a preferred embodiment, the catalyst is sulfided at a low temperature and low pressure prior to heat treatment. This method results in a catalyst that effectively desulfurizes petroleum hydrocarbon charge stocks with reduced hydrogen consumption. Another patent outlines a similar method for hydrodesulfurizing heavy petroleum fractions, emphasizing the same temperature and sulfiding conditions to achieve optimal results.

Career Highlights

Mary E. Callaghan is currently employed at Texaco Inc., where she continues to innovate in the field of petroleum technology. Her work has been instrumental in advancing methods that enhance the efficiency of desulfurization processes, which are critical for meeting environmental regulations and improving fuel quality.

Collaborations

Throughout her career, Mary has collaborated with notable colleagues, including Lee K. Gilmer and Charles A. Ganster. These partnerships have contributed to the development of her patented technologies and have fostered a collaborative environment for innovation.

Conclusion

Mary E. Callaghan stands out as a pioneering inventor in the field of desulfurization catalysts. Her contributions have not only advanced the technology but also played a vital role in improving the sustainability of petroleum processing.

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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