Average Co-Inventor Count = 2.67
ph-index = 5
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. American Can Company (3 from 456 patents)
2. Lignotech USA, Inc. (3 from 20 patents)
3. Daishowa Chemicals Inc. (1 from 6 patents)
7 patents:
1. 6664002 - Organic expander for lead-acid storage batteries
2. 6346347 - Organic expander for lead-acid storage batteries
3. 5939089 - Method for providing a stable protective coating for UV sensitive
4. 5032164 - Modified lignosulfonate conditioning agent for urea particles
5. 4296813 - Well cementing
6. 4069217 - Solubilized lignosulfonate derivatives
7. 4065318 - Well cementing