Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599989 | Bisquaternary ammonium compounds of 2,2'-dimethyl-1,1'-binaphythyl and process for their preparation | — | 1997-02-04 |
HM
Hans Millauer
Overall (1997): #144,931 of 185,788Top 80%
1
Patents 1997