Average Co-Inventor Count = 2.40
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. Hoechst Aktiengesellschaft (1 from 6,662 patents)
2. Hoeschst Aktiengesellschaft (1 from 15 patents)
2 patents:
1. 4825008 - Acetylketene dialkyl acetals and a process for their preparation
2. 4001332 - Process for compressing ketene