% Expired Patents = 100.0

EPO Patents = 1

Forward Citations = 29

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11 inventors (with patents filed for the assignee):

John R Peterson (3 out of 4 patents)

Helene Belanger (2 out of 5 patents)

Ross L Prestidge (2 out of 10 patents)

4. Tony James Lough (2 out of 6 patents)

5. Christopher M Yost (2 out of 2 patents)

6. James Douglas Watson (2 out of 21 patents)

7. Mohammed Farid (1 out of 5 patents)

8. John Jj Chen (1 out of 3 patents)

9. Jia-Long Yao (1 out of 3 patents)

10. Clare Elton (1 out of 3 patents)

11. Alan MacFarlane (1 out of 1 patent)

12. Mohammed Mehdi Farid (0 patent)

13. John Chen (0 patent)

5 patents: Sort by Forward Citations

1. 8822657 - Recovery of lignin and water soluble sugars from plant materials (2014-09-02),

2. 8759595 - Method of biobased chemical production from crude bioglycerin (2014-06-24),

3. 8431699 - Method for manufacture of 2-oxoimidazolidines (2013-04-30),

4. 8354546 - Process for manufacture of optically active 2-(acyloxymethyl)-1,3-oxathiolanes (2013-01-15),

5. 8053566 - Methods for isolating and harvesting lignin and isolated lignin preparations produced using the methods (2011-11-08),

Company Overview

Vertichem Corporation is a leading provider of specialty chemicals and solutions for various industries. With a focus on innovation and sustainability, Vertichem offers a wide range of products and services to meet the unique needs of each customer. Their experienced team works closely with clients to develop customized solutions that deliver consistent quality and performance. From pharmaceuticals to agriculture, Vertichem is committed to excellence in every aspect of their business.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#19 in Cambridge

#2,849 in Canada

Cambridge, Canada

Vertichem Corporation

Forward Citations = 29

11 inventors:

John R Peterson (3 out of 4 patents)

Helene Belanger (2 out of 5 patents)

Ross L Prestidge (2 out of 10 patents)

4. Tony James Lough (2 out of 6 patents)

5. Christopher M Yost (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vertichem Corporation. Retrieved from https://idiyas.com/company/vertichem

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]

1 patent (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]