Average Co-Inventor Count = 2.67
ph-index = 3
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. Witco Corporation (3 from 180 patents)
2. Goldschmidt Chemical Company (1 from 1 patent)
4 patents:
1. 6235914 - Amine and quaternary ammonium compounds made from ketones and aldehydes, and compositions containing them
2. 5705681 - Diquaternary compounds useful as bleach activators
3. 5662827 - Diquaternary compounds useful as bleach activators, and compositions
4. 5399746 - Diquaternary bleach activators and compositions containing them