Coventry, RI, United States of America

James R Hazen

This inventor holds 4 USPTO granted patents. Top assignee: Hoechst Celanese Corporation. Active years: 1988-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James R Hazen. Retrieved from https://idiyas.com/inventor/james-r-hazen

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 = 1.3

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1988-1991

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4 patents (USPTO):Explore Patents

Title: James R Hazen: Innovator in Chemical Processes

Introduction

James R Hazen is a notable inventor based in Coventry, Rhode Island, known for his contributions to chemical processes. He has been awarded a total of 4 patents throughout his career, showcasing his innovative spirit and expertise in the field.

Latest Patents

Hazen's latest patents include a process for bis(4-aminophenyl)hexafluoropropane. This invention presents an improved method for preparing 2,2-bis(4-aminophenyl)hexafluoropropane by subjecting 2,2-bis(4-aminocarbonylphenyl)hexafluoropropane to the Hofmann reaction. The reaction product is then treated under reducing conditions to yield the desired amine in high yield. Another significant patent involves azo dimers containing the hexafluoroisopropylidene group. This invention focuses on compounds that serve as intermediates in the preparation of corresponding diamine compounds resulting from the reductive cleavage of the azo linkage. These compounds are also useful in the production of dyestuffs and photosensitive materials.

Career Highlights

James R Hazen has made significant strides in his career, working with Hoechst Celanese Corporation, where he has applied his innovative ideas to advance chemical processes. His work has contributed to the development of new materials and methods that have practical applications in various industries.

Collaborations

Hazen has collaborated with notable professionals in his field, including his coworker William R Lee. Their combined expertise has likely fostered advancements in their projects and contributed to the success of their innovations.

Conclusion

James R Hazen's contributions to the field of chemical processes through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in advancing technology.

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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