Lancashire, United Kingdom

David John Kemmish

This inventor holds 7 USPTO granted patents, plus 3 CIPO patents and 2 EPO patents. Top assignee: Victrex Manufacturing Limited. Active years: 1997-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David John Kemmish. Retrieved from https://idiyas.com/inventor/david-john-kemmish

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

Calculating rank

% Patents Active = 28.6


 

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 54(Granted Patents)


Location History:

  • North Yorkshire, GB (1997 - 1998)
  • Preston, GB (2005 - 2006)
  • Lancashire, GB (2004 - 2007)

Company Filing History:


Years Active: 1997-2007

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7 patents (USPTO):Explore Patents

Title: The Innovations of David John Kemmish

Introduction

David John Kemmish is a notable inventor based in Lancashire, GB. He has made significant contributions to the field of polymer science, holding a total of seven patents. His work focuses on the development and purification of advanced materials, particularly in the context of ion-conducting polymers.

Latest Patents

Among his latest patents is a method for purifying a polymeric material that includes phenyl moieties, carbonyl and/or sulphone moieties, and ether and/or thioether moieties. This innovative method involves contacting the polymeric material with a solvent formulation at temperatures exceeding 100°C and pressures above ambient levels. This process effectively charges the solvent with impurities from the polymeric material, allowing for efficient separation. Another significant patent involves a method for preparing an ion-conducting material, such as a membrane, which has reduced sensitivity to water. This method treats an ion-conducting polymeric material, particularly sulphonated polyaryletherketone and/or sulphone, to enhance its crystallinity. The resulting ion-conducting material can be utilized in a Membrane Electrode Assembly of a fuel cell.

Career Highlights

David Kemmish is currently associated with Victrex Manufacturing Limited, a company known for its expertise in high-performance polymer solutions. His work at Victrex has positioned him as a key player in the advancement of polymer technologies.

Collaborations

Throughout his career, Kemmish has collaborated with notable colleagues, including Brian Wilson and Philip A Staniland. These partnerships have contributed to the innovative projects and patents he has developed.

Conclusion

David John Kemmish's contributions to polymer science and his innovative patents highlight his role as a leading inventor in the field. His work continues to influence advancements in material science and fuel cell 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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