Average Co-Inventor Count = 1.33
ph-index = 1
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. Sandoz Gmbh (1 from 1,603 patents)
2. Shandoz, Inc. (1 from 1 patent)
2 patents:
1. 3932481 - Sulfuric acid esters of bis-(4-hydroxyphenyl)-methane
2. 3931275 - Bis(4-(4-hydroxybenzyl)phenyl) carbonic acid ester