Average Co-Inventor Count = 3.00
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. Petrolite Corporation (4 from 429 patents)
4 patents:
1. 4310472 - Quaternary ammonium adducts of polymerizable tertiary ammonium salts and
2. 4230839 - Quaternary ammonium adducts of polymerizable tertiary ammonium salts and
3. 4224150 - Process for clarifying aqueous systems employing quaternary ammonium
4. 4179549 - Quaternary ammonium adducts of polymerizable tertiary ammonium salts and