Average Co-Inventor Count = 3.14
ph-index = 7
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. Ciba-Geigy Corporation (16 from 6,858 patents)
2. Basf Aktiengesellschaft (1 from 10,754 patents)
3. Ciba-Geigy Ag (1 from 595 patents)
18 patents:
1. 5201998 - Process for sizing paper with anionic hydrophobic sizing agents and
2. 5110582 - Hair-setting preparation
3. 4737239 - Process for the manufacture of paper or cardboard which is sized under
4. 4735685 - Process for sizing paper or cardboard with anionic hydrophobic sizing
5. 4627889 - Process for sizing paper with anionic hydrophobic sizing agents and
6. 4623428 - Process for sizing paper with anionic hydrophobic sizing agents and
7. 4460568 - Quaternary, copolymeric, high molecular weight ammonium salts based on
8. 4460569 - Quaternary, copolymeric, high molecular weight ammonium salts based on
9. 4460570 - Quaternary, copolymeric, high molecular weight ammonium salts based on
10. 4460567 - Quaternary, copolymeric, high molecular weight ammonium salts based on
11. 4454114 - Quaternary, copolymeric, high molecular weight ammonium salts based on
12. 4440744 - Quaternary, copolymeric, high molecular weight ammonium salts based on
13. 4419344 - Quaternary, copolymeric, high molecular weight ammonium salts based on
14. 4393886 - Mixtures of quaternary, polymeric, high molecular weight ammonium salts,
15. 4158662 - Phthalimides substituted by alkenylamino groups