Average Co-Inventor Count = 1.64
ph-index = 3
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. Rhone-poulenc Industries (3 from 521 patents)
2. Institut Francais Du Pe'trole (1 from 2,424 patents)
3. L'institut Francais Du Petrole (1 from 3 patents)
3 patents:
1. 4229308 - Polymer lubricating oil additives bearing nitrogen groups and their use
2. 4222882 - Polymers bearing groups derived from N-substituted lactams and their use
3. 4150188 - Fireproof laminations for electric and electronic devices and methods