% Expired Patents = 37.5

EPO Patents = 9

Trademarks = 10

Forward Citations = 19

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13 inventors (with patents filed for the assignee):

Alan Reginald Minihan (3 out of 3 patents)

Abraham Araya (2 out of 15 patents)

Paul Matthew Robbins (2 out of 2 patents)

4. Sonya Theresa Broderick (2 out of 2 patents)

5. Michael J Waring (2 out of 3 patents)

6. Peter W Stanier (2 out of 17 patents)

7. Gemma Morea (1 out of 2 patents)

8. Ronaldo Dos Santos Flor (1 out of 5 patents)

9. Paolo De Almeida Lima (1 out of 1 patent)

10. Stephen Moreton (1 out of 4 patents)

11. Christine Elizabeth Marsden (1 out of 2 patents)

12. Robert Joseph Parker (1 out of 3 patents)

13. Simon R Stebbing (1 out of 1 patent)

14. Alexis John Toft (5 patents)

15. Sharron Bates (1 patent)

8 patents: Sort by Forward Citations

1. 10835636 - Composition and dressing with nitric oxide (2020-11-17),

2. 10821203 - Composition and dressing with nitric oxide (2020-11-03),

3. 10280331 - Curable liquid compositions (2019-05-07),

4. 9968802 - Silicas (2018-05-15),

5. 8323449 - Compositions and methods for resin-based wood glues (2012-12-04),

6. 8247237 - Silica-based indicating desiccants (2012-08-21),

7. 8039564 - Catalyst precursor particles, their preparation and use (2011-10-18),

8. 7662363 - Amorphous silica (2010-02-16),

Company Overview

PQ Silicas UK Limited is a subsidiary of PQ Corporation, a leading global provider of specialty and performance chemicals. The company produces innovative silicas for a wide range of industries, including personal care, pharmaceuticals, and coatings. With a focus on sustainability and quality, PQ Silicas UK Limited is committed to delivering high-performance solutions to its customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#10 in Cheshire

#2,098 in United Kingdom

Cheshire, United Kingdom

Pq Silicas UK Limited

Forward Citations = 19

13 inventors:

Alan Reginald Minihan (3 out of 3 patents)

Abraham Araya (2 out of 15 patents)

Paul Matthew Robbins (2 out of 2 patents)

4. Sonya Theresa Broderick (2 out of 2 patents)

5. Michael J Waring (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pq Silicas UK Limited. Retrieved from https://idiyas.com/company/pq-silicas-uk

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

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]

9 patents (EPO):

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]