Average Co-Inventor Count = 7.47
ph-index = 2
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. Bp Corporation North America Inc. (2 from 494 patents)
2. Bp Amoco Corporation (96 patents)
2 patents:
1. 6562447 - Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor
2. 6521675 - Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor