Average Co-Inventor Count = 2.49
ph-index = 8
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. Hoechst Aktiengesellschaft (21 from 6,662 patents)
2. Cassella Aktiengesellschaft (3 from 260 patents)
24 patents:
1. 4749758 - Process for the preparation of copolymers of vinylphosphonic acid and
2. 4743666 - Water-soluble copolymers with pendant phosphonic, sulphonic and amide
3. 4709086 - Process for the preparation of 4-benzyl aspartate
4. 4696987 - Process for the preparation of polymers of vinylphosphonic acid in
5. 4585845 - Phosphonic acid cross-linked hydrophilic copolymers
6. 4548762 - Process for the preparation of vinylphosphonic acid dichloride and
7. 4493803 - Process for the preparation of vinylphosphonic acid diesters and
8. 4426336 - Process for the preparation of vinylphosphonic acid derivatives and the
9. 4401471 - Inorganic cellular material and process for the manufacture thereof
10. 4388252 - Process for the manufacture of vinyl phosphonic acid derivatives
11. 4314052 - Polyester which is soluble or dispersible in water, a process for its
12. 4284410 - Process for the pretreatment of cellulose fibers to be printed according
13. 4267125 - Process for the manufacture of phosphinic and phosphonic acid anhydrides
14. 4250124 - Organic phosphorus compounds possessing 3-hydroxyalkylphosphinic acid
15. 4244893 - Polyphosphorus compounds obtained by reacting an alcohol, phosphorus