Average Co-Inventor Count = 6.00
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. Grand-paroiesse S.a. (1 from 1 patent)
1 patent:
1. 6221324 - Process for the removal from gases of nitrogen oxides NOx by selective catalytic reduction (SCR) using ammonia over zeolite catalysts not causing the formation of nitrogen protoxide