Average Co-Inventor Count = 1.71
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. Tenneco Chemicals, Inc. (2 from 124 patents)
2 patents:
1. 4252659 - Process for the production of overbased manganese salts of organic acids
2. 4179385 - Process for the production of overbased manganese salts of organic acids