Average Co-Inventor Count = 2.00
ph-index = 1
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. Boehringer Ingelheim Gmbh (1 from 306 patents)
2. Boehringer Ingelheim Kg (1 from 197 patents)
2 patents:
1. 5663338 - Process for preparing 2-amino-6-chloropurine
2. 5264573 - Process for preparing 2-chloro-1,7-dihydropurin-6-one and a process for