Average Co-Inventor Count = 2.40
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. P C U K Produits Chimiques Ugine Kuhlmann (2 from 51 patents)
2. Elf Atochem S.a. (1 from 456 patents)
3 patents:
1. 5202038 - Salts of fatty amines and of polyfluoro-carboxylic acids and their use
2. 4354948 - Lubricating varnishes having a graphite fluoride base and method of
3. 4314907 - Oil additive compositions for internal combustion engines