Average Co-Inventor Count = 5.00
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. Schering Corporation (2 from 1,829 patents)
2 patents:
1. 4283531 - Synthesis of .beta.-lactams having a substituted hydroxymethylene group
2. 4272439 - 6-(Substituted-hydroxymethylene penams)