Average Co-Inventor Count = 1.33
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. Pennwalt Corporation (2 from 615 patents)
2 patents:
1. 4102800 - Microencapsulated vulcanizing agents
2. 3959464 - Microencapsulated methyl and ethyl parathion insecticide in aqueous