Average Co-Inventor Count = 2.00
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. Elf Atochem North America, Inc. (1 from 194 patents)
2. Elf Atochem N.a., Inc. (1 from 6 patents)
2 patents:
1. 5424482 - Process for preparing color-stable tertiary butyldiethanolamine
2. 5208377 - Purification and decolorization of off-color alkyl alkanolamines