Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Ryan Kopreski — 1 Patent in 2021

CTCytec Technology: 1 patents #12 of 46Top 30%
Norwalk, CT: #19 of 64 inventorsTop 30%
Connecticut: #1,399 of 4,045 inventorsTop 35%
Overall (2021): #278,134 of 548,734Top 55%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10906828 Modified amines useful as scale inhibitors in wet process phosphoric acid production Lei Zhang, John B. Carr, Roderick G. Ryles 2021-02-02