Average Co-Inventor Count = 1.85
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. Chevron Research Company (2 from 1,860 patents)
2. Southwest Research Institute (2 from 1,119 patents)
4 patents:
1. 4406706 - Yellow colorant composition and paints utilizing the same
2. 4290816 - Sulfur compounds and method of making same
3. 4022857 - Production of foamed sulfur compositions
4. 4011179 - Continuous sulfur foam preparation using polyisocyanates