Average Co-Inventor Count = 2.00
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. Siltech Corporation (1 from 101 patents)
2. Lambert Technologies Inc (1 from 2 patents)
3. Hanson Co. (1 from 1 patent)
2 patents:
1. 5786389 - Guerbet castor esters
2. 4975122 - Water resistant cemetitious materials