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. Ciba Specialty Chemicals Water Treatments Limited (2 from 103 patents)
2. Ciba Corporation (1 from 31 patents)
3 patents:
1. 8143202 - Methacrylate copolymer pour point depressants
2. 7807271 - Polymers for paper and paperboard coatings
3. 7732525 - Polymers for paper and paperboard coatings