Average Co-Inventor Count = 3.43
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. Akzo Nobel N.v. (2 from 1,248 patents)
2. Berol Kemi Ab (1 from 48 patents)
3. Akzo Nobel Surface Chemistry Ab (1 from 7 patents)
4 patents:
1. 6379598 - Viscose spin bath additive of an amphoteric surfactant
2. 6316582 - Use of an alkoxylated polyamine surfactant as a viscose spin bath additive
3. 5582637 - Method for improving the rheology and the processability of
4. 5047197 - Cellulose derivative spinning solutions having improved processability