Average Co-Inventor Count = 3.89
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Johnson Matthey Public Limited Company (8 from 834 patents)
2. Kempharm, Inc. (1 from 56 patents)
9 patents:
1. 10649669 - Processes for making opioids including 14-hydroxycodeinone and 14-hydroxymorphinone
2. 10324632 - Processes for making opioids including 14-hydroxycodeinone and 14-hydroxymorphinone
3. 9918979 - Process of preparing low ABUK oxymorphone hydrochloride
4. 9815844 - Pharmaceutically acceptable salts and polymorphic forms of hydrocodone benzoic acid enol ester and processes for making same
5. 9657027 - Processes for making hydrocodone, hydromorphone and their derivatives
6. 9657028 - Processes for making hydrocodone, hydromorphone and their derivatives
7. 9273060 - Processes for making hydrocodone, hydromorphone and their derivatives
8. 9120800 - Process for the preparation of oxymorphone alkaloid and oxymorphone salts
9. 8916707 - Process