Average Co-Inventor Count = 4.21
ph-index = 4
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. Sud-chemie Ag (3 from 118 patents)
2. Sud-chemie Aktingesellschaft (1 from 1 patent)
4 patents:
1. 5830425 - Chromium-free catalyst based on iron oxide for conversion of carbon
2. 5063187 - Catalyst based on crystalline aluminosilicate
3. 4906602 - Catalyst for the selective hydrogenation of polyunsaturated hydrocarbons
4. 4535071 - Catalyst for methanol synthesis and method of preparing the catalyst