Trademarks = 9

Forward Citations = 95

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10 inventors (with patents filed for the assignee):

Marek Lipsztajn (4 out of 24 patents)

Gerald Cowley (4 out of 22 patents)

George Joseph Ranger (2 out of 3 patents)

4. Tomasz Jerzy Dluzniewski (1 out of 2 patents)

5. Darren Francis Lawless (1 out of 3 patents)

6. Jerry J Kaczur (1 out of 36 patents)

7. Dana Gourley (1 out of 1 patent)

8. James A Betts (1 out of 1 patent)

9. Ty V Tran (1 out of 1 patent)

10. Ron K Schaible (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6203688 - Electrolytic process for producing chlorine dioxide (2001-03-20),

2. 5965004 - Chlorine dioxide generation for water treatment (1999-10-12),

3. 5932085 - Chlorine dioxide generation for water treatment (1999-08-03),

4. 5681446 - Impurity removal for sodium chlorate (1997-10-28),

5. 5480516 - Electrolytic production of acid (1996-01-02),

Company Overview

Sterling Pulp Chemicals, Ltd. is a leading manufacturer and supplier of specialty chemicals for the pulp and paper industry. With a focus on innovation and sustainability, our products are designed to improve efficiency, quality, and environmental performance. Our commitment to customer satisfaction and technical excellence sets us apart in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#4 in Islington

#2,850 in Canada

Islington, Canada

Sterling Pulp Chemicals, Ltd.

Forward Citations = 95

10 inventors:

Marek Lipsztajn (4 out of 24 patents)

Gerald Cowley (4 out of 22 patents)

George Joseph Ranger (2 out of 3 patents)

4. Tomasz Jerzy Dluzniewski (1 out of 2 patents)

5. Darren Francis Lawless (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sterling Pulp Chemicals, Ltd.. Retrieved from https://idiyas.com/company/sterling-pulp-chemicals

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]