Average Co-Inventor Count = 4.04
ph-index = 7
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. Pharmacia & Upjohn (12 from 117 patents)
2. Farmitalia Carlo Erba (11 from 208 patents)
3. Farmitalia Carlo Erba S.r.l. (9 from 140 patents)
4. Pharmacia Corporation (3 from 220 patents)
5. Fidia Farmaceutici S.p.a. (1 from 85 patents)
6. Antibioticos (1 from 17 patents)
37 patents:
1. 8247426 - Crystalline irinotecan hydrochloride and methods for its preparation
2. 7935818 - Process for the preparation and purification of valgancyclovir hydrochloride
3. 6420379 - Alkynyl-substituted camptothecins and process for their preparation
4. 6403603 - Process for the preparation of 9-amino camptothecin
5. 6211192 - Alkynyl-substituted camptothecins and process for their preparation
6. 6093721 - Amidino-camptothecin derivatives
7. 5998426 - 9,10 disubstituted camptothecin derivatives with antitumor activity
8. 5990120 - Hexacyclic camptothecin analogues, and process for preparing them
9. 5919955 - Combinatorial solid phase synthesis of a library of benzofuran
10. 5916897 - Process for the preparation of 9-amino camptothecin
11. 5856496 - Combinatorial solid phase synthesis of a library of indole derivatives
12. 5856333 - Substituted camptothecin derivatives and process for their preparation
13. 5840899 - Method for the preparation of 9-amino camptothecin
14. 5801167 - Camptothecin derivatives and process for their preparation
15. 5621096 - Process for preparing penems