| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 6 | |
| #2 | South Africa | 6 | |
| #3 | Argentina | 5 | |
| #4 | Poland | 5 | |
| #5 | Romania | 4 | |
| #6 | Yugoslavia (Serbia and Montenegro) | 4 | |
| #7 | Czechoslovakia | 3 | |
| #8 | German Democratic Republic | 3 | |
| #9 | United Kingdom | 3 | |
| #10 | India | 3 | |
| #11 | Japan | 3 | |
| #12 | Portugal | 3 | |
| #13 | United States | 3 | |
| #14 | African Intellectual Property Organization | 2 | |
| #15 | Zimbabwe | 2 | |
| #16 | Australia | 1 | |
| #17 | Belgium | 1 | |
| #18 | Bulgaria | 1 | |
| #19 | Brazil | 1 | |
| #20 | Germany | 1 | |
| #21 | Egypt | 1 | |
| #22 | EPO (European Patent Office) | 1 | |
| #23 | Finland | 1 | |
| #24 | France | 1 | |
| #25 | Greece | 1 | |
| #26 | Italy | 1 | |
| #27 | Republic of Korea | 1 | |
| #28 | Luxembourg | 1 | |
| #29 | Norway | 1 | |
| #30 | Philippines | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry | |
| #2 | Pharmaceuticals | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Heterocyclic compounds | |
| #2 | Therapeutic chemical compounds | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rosseels Gilbert | 18 |
| #2 | Descamps Marcel | 12 |
| #3 | Urbain Marcel | 12 |
| #4 | Inion Henri | 11 |
| #5 | Rosseels G | 10 |
| #6 | Inion H | 6 |
| #7 | Nokin Pierre | 5 |
| #8 | Nokin P | 4 |
| #9 | Urbain M | 3 |
| #10 | Descamps M | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US4520026A | Indolizine derivatives and use as cardiovascular agents | |
| KR850000260B1 | Process for preparing pyridoxine derivatives | |
| GB2075983A | Pyridoxine derivatives process for preparing them and use in therapeutics | |
| US4378362A | Indolizine derivatives and process for preparing the same | |
| GB2064536A | Indolizines | |
| GB2051812A | Indolizine derivatives |