| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 2 | |
| #2 | New Zealand | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Japan | 1 | |
| #9 | United States | 1 | |
| #10 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Pharmaceuticals | |
| #2 | Organic fine chemistry | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Therapeutic chemical compounds | |
| #2 | Medical preparations | |
| #3 | Unspecified technologies | |
| #4 | Specific use of cosmetics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meyer Petrus Johannes | 13 |
| Publication | Filing date | Title |
|---|---|---|
| EP0644766A1 | Nitrous oxide containing dermatological composition |