Average Co-Inventor Count = 5.00
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. Unilever Home and Personal Care Usa, Division of Conopco, Inc. (3 from 755 patents)
2. Unilever Home & Personal Care USA (1 from 37 patents)
4 patents:
1. 6758867 - Gradual permanent coloring of hair using dye intermediates in a shampoo base
2. 6736860 - Gradual permanent coloring of hair using dye intermediates dissolved in alkaline water with fatty alcohol
3. 6726729 - Gradual permanent coloring of hair using dye intermediates in a shampoo base
4. 6709468 - Gradual permanent coloring of hair using dye intermediates in alkaline water which contains quaternary ammonium compounds