Average Co-Inventor Count = 4.44
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. Dairen Chemical Corporation (2 from 32 patents)
2. Chang Chun Petrochemical Co., Ltd. (1 from 106 patents)
2 patents:
1. 5227564 - Process for the preparation of tertiary olefins
2. 5189214 - Production of acetic acid