Average Co-Inventor Count = 4.00
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. Basf Aktiengesellschaft (3 from 10,754 patents)
3 patents:
1. 5296531 - Pigment preparations
2. 4153784 - Nylon copolymer from piperazine, aliphatic diamine and mixture of
3. 4126414 - Copolyamide and its use for finishing leather and leather substitutes