Average Co-Inventor Count = 4.00
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. Rohm Gmbh (3 from 362 patents)
3 patents:
1. 4614827 - Method for isolating vinyl salt compounds from aqueous solutions
2. 4517380 - Method for purifying methacrylamidopropyl trimethylammonium chloride and
3. 4418204 - Method for making esters