% Expired Patents = 100.0

Forward Citations = 9

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6 inventors (with patents filed for the assignee):

Subramanian Sam Guhan (1 out of 5 patents)

Oliver Dapremont (1 out of 1 patent)

Fiona Geiser (1 out of 1 patent)

4. Tong Zhang (1 out of 1 patent)

5. George Joseph Quallich (1 out of 33 patents)

6. Robert Mark Guinn (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 6444854 - Process for the production of enantiomerically pure or optically enriched sertraline-tetralone using continuous chromatography (2002-09-03),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#12 in Illkirch-Graffenstaden

#7,710 in France

Illkirch-Graffenstaden, France

Chiral Technologies Europe

Forward Citations = 9

6 inventors:

Subramanian Sam Guhan (1 out of 5 patents)

Oliver Dapremont (1 out of 1 patent)

Fiona Geiser (1 out of 1 patent)

4. Tong Zhang (1 out of 1 patent)

5. George Joseph Quallich (1 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chiral Technologies Europe. Retrieved from https://idiyas.com/company/chiral-technologies-europe

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]