Average Co-Inventor Count = 1.71
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. El Paso Products Company (6 from 45 patents)
6 patents:
1. 4514261 - Refining of tertiary butylstyrene
2. 4393263 - Tertiary-butylstyrene production
3. 4384985 - Catalyst composition for producing tertiary-butylstyrene
4. 4363748 - Catalyst composition for producing tertiary-butylstyrene
5. 4291184 - Process for producing tertiary-butylstyrene
6. 4291183 - Production of tertiary-butylstyrene