Average Co-Inventor Count = 3.00
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. Syntex (u.s.a.) Inc. (2 from 932 patents)
2. Syva Company (2 from 104 patents)
3. Syra Company (1 from 1 patent)
5 patents:
1. 4608252 - Chloramphenicol derivatives antigens and antibodies
2. 4608200 - Chloramphenicol derivatives, antigens and antibodies
3. 4544765 - Chloramphenicol derivatives
4. 4489156 - Chloramphenicol derivatives
5. 4489157 - Chloramphenicol derivatives