Average Co-Inventor Count = 2.77
ph-index = 4
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. Roussel Uclaf (5 from 854 patents)
2. Fritzsche Dodge & Olcott Inc. (5 from 39 patents)
3. Polaroid Corporation (4 from 2,176 patents)
4. Other (2 from 832,812 patents)
5. Centre National De La Recherche Scientifique (2 from 5,076 patents)
18 patents:
1. 4689410 - Novel 23-dihydro-oxazolyl steroids
2. 4668356 - Photolytic process for the formation of carbon-containing free radicals
3. 4621156 - Optical filter agents and photographic products and processes containing
4. 4501701 - 20-Isocyano-.DELTA..sup.17(20) -steroids
5. 4490296 - Compositions and method
6. 4471137 - Highly sterically hindered guanidines and process for the production
7. 4468494 - Polymeric pH-sensitive optical filter agents having hydrazone moieties
8. 4434080 - Dehydrogenation agents based on derivatives of selenium and their use in
9. 4401596 - Novel 17-oxazoline-steroids
10. 4370497 - Oxidation process using tellurium oxide catalysts
11. 4339593 - Process for the manufacture of 3,6-dialkyl resorcylic acid esters
12. 4298676 - Optical filter agents and photographic products and processes containing
13. 4269925 - Polymeric optical filter agents and photographic products and processes
14. 4267111 - Process for preparing
15. 4261866 - Spirodienones and spirocyclic ketones