East Molesey, United Kingdom

John Ellis

This inventor holds 4 USPTO granted patents. Top assignee: National Research Development Corporation. Active years: 1991-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Ellis. Retrieved from https://idiyas.com/inventor/john-ellis-epjgkad7

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 = 2.2

ph-index = 3

Forward Citations = 26(Granted Patents)


Location History:

  • Surrey, GB (1991)
  • East Molesey, GB (1992 - 1993)

Company Filing History:


Years Active: 1991-1993

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4 patents (USPTO):Explore Patents

Title: Innovations of John Ellis

Introduction

John Ellis is a notable inventor based in East Molesey, GB. He has made significant contributions to the field of dental materials, holding a total of four patents. His work focuses on developing innovative compositions that enhance dental cements.

Latest Patents

One of his latest patents is a command-curable composition. This invention involves a phosphonate ester, specifically vinyl phosphonic acid reacted with an equimolar diol, which cures upon exposure to light in the presence of an initiator. By incorporating inert filler, poly(vinyl phosphonic acid), ion-leachable glass powder, and water, he has created a command-curable dental cement that exhibits glass ionomer characteristics. Another significant patent is the poly(vinylphosphonic acid) glass ionomer cement. This composition consists of poly(vinyl phosphonic acid) dissolved in its own mass of water, combined with a powder such as glass or MgO. The powder must be deactivated to control the setting reaction with the acid, which can be achieved by adjusting the Si:Al ratio or through heat treatment. The glass used in this composition contains heavy ions like La, Ba, or Sr.

Career Highlights

John Ellis is currently associated with the National Research Development Corporation. His work has been instrumental in advancing dental materials, particularly in the development of innovative cements that improve dental procedures.

Collaborations

He has collaborated with notable coworkers, including Alan D Wilson and John W Nicholson, contributing to the advancement of research in his field.

Conclusion

John Ellis is a distinguished inventor whose innovative patents have significantly impacted dental materials. His contributions continue to shape the future of dental 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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