Calgary, Canada

Robert D Donaldson

This inventor holds 5 USPTO granted patents. Top assignee: Nova Chemicals (International) S.a.. Active years: 2002-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert D Donaldson. Retrieved from https://idiyas.com/inventor/robert-d-donaldson

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


% Patents Active = 80.0

Average Co-Inventor Count = 4.3

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Calgary, CA (2002 - 2004)
  • Airdrie, CA (2004)

Company Filing History:


Years Active: 2002-2004

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5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Robert D. Donaldson

Introduction

Robert D. Donaldson is a notable inventor based in Calgary, Canada. He has made significant contributions to the field of catalysis, particularly in the development of catalysts for olefin polymerization. With a total of 5 patents to his name, Donaldson's work has had a substantial impact on the chemical industry.

Latest Patents

One of Donaldson's latest patents is titled "Sweet MAO," which focuses on single-site catalysts containing a transition metal. These catalysts can be activated with alumoxanes in various phases, including gas and solution. The invention addresses the issue of residual aluminum alkyls that may poison the catalysts, proposing a method to bind or remove these residues using carbohydrates such as cellulose, starch, or sugar. Another significant patent involves a supported catalyst for olefin polymerization, which combines a sulfated metal oxide support, an aluminoxane, and an organometallic complex of a group 4 metal. This innovative catalyst is noted for its high activity compared to conventional catalysts prepared with non-sulfated supports.

Career Highlights

Donaldson is currently employed at Nova Chemicals, a leading company in the chemical industry. His work at Nova Chemicals has allowed him to further explore and develop his innovative ideas in catalysis and polymerization.

Collaborations

Throughout his career, Donaldson has collaborated with esteemed colleagues, including Xiaoliang Gao and P. Scott Chisholm. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Robert D. Donaldson's contributions to the field of catalysis and his innovative patents have made a lasting impact on the chemical industry. His work continues to inspire advancements in polymerization technologies.

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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