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. Calgon Vestal, Inc. (2 from 4 patents)
2. E. R. Squibb Sons, Inc. (1 from 1,624 patents)
3 patents:
1. 5858118 - Stainless steel alkali treatment
2. 5766684 - Stainless steel acid treatment
3. 5445761 - Percarbonate based cleaner for cosmetic and pharmaceutical manufacturing