RC

Robert Chapman

PP Purdue Pharma: 2 patents #6 of 19Top 35%
PP Purdue Pharmaceuticals: 1 patents #5 of 9Top 60%
RT Rhodes Technologies: 1 patents #2 of 8Top 25%
📍 Downingtown, PA: #13 of 91 inventorsTop 15%
🗺 Pennsylvania: #1,057 of 7,706 inventorsTop 15%
Overall (2022): #117,713 of 548,613Top 25%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11384091 Process for preparing oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone Lonn S. Rider, Qi-Zhong Hong, Donald J. Kyle, Robert Kupper 2022-07-12
11236098 Process for preparing oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone Lonn S. Rider, Qi-Zhong Hong, Robert Kupper, Donald J. Kyle 2022-02-01