| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Heterocyclic compounds | |
| #2 | Acyclic or carbocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Goutarel Robert | 4 |
| #2 | Janot Maurice-Marie | 4 |
| #3 | Hir Alain Le | 3 |
| #4 | E Maurice-Marie Janot Robert G | 3 |
| #5 | Legerlotz Helmut | 1 |
| #6 | Maurice-Marie Janot | 1 |
| #7 | Janot M | 1 |
| #8 | Goutarel R | 1 |
| #9 | Robert Goutarel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB887665A | Improvements in or relating to yohimbane compounds | |
| GB887664A | Improvements in or relating to yohimbane compounds | |
| DE1095289B | Process for the production of yohimbinone from yohimbine or ª ‰ -yohimbine | |
| DE1100643B | Process for isomerizing compounds of the yohimbane series in the 16- or 17-position | |
| DE1100644B | Process for the production of ª ‰ -yohimbine | |
| GB789870A | Alkaloid derivatives | |
| US2823204A | Alkaloids of voacanga |