Average Co-Inventor Count = 5.43
ph-index = 1
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. Evonik Roehm Gmbh (2 from 152 patents)
2. Evonik Rohm Gmbh (2 from 90 patents)
3. Rohm Gmbh (362 patents)
4 patents:
1. 9458083 - Method for hydrolysing acetone cyanohydrin
2. 9169194 - Metering ring
3. 8575388 - Method for producing methacrylic acid
4. 8389762 - Method for purifying methacrylic acid