Average Co-Inventor Count = 2.40
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. W. R. Grace Co. (2 from 853 patents)
2. W. R. Grace Co.-conn. (1 from 1,391 patents)
3 patents:
1. 4836913 - Catalytic cracking process exploying a zeolite as catalysts and catalyst
2. 4749672 - Catalysts and catalyst supports
3. 3974099 - High activity amorphous silica-alumina catalyst