Average Co-Inventor Count = 3.00
ph-index = 1
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. Ciba Specialty Chemicals Corporation (1 from 1,524 patents)
2. Basf Se Ludwigshafen (1 from 24 patents)
2 patents:
1. 8304533 - Cationic polysaccharide, its preparation and use
2. 7691934 - High molecular weight poly(dially dialkyl) ammonium salts