Average Co-Inventor Count = 2.67
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. Chemische Werke Huls Aktiengesellschaft (1 from 283 patents)
2. Chemische Werke Huels Aktiengesellschaft (1 from 125 patents)
2 patents:
1. 4647613 - Thermoplastic compositions based on polyphenylene ethers, styrene
2. 4097530 - Process for the production of squaric acid