| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 4 | |
| #2 | Canada | 2 | |
| #3 | France | 2 | |
| #4 | United States | 2 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Organic fine chemistry | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Fuels | |
| #2 | Non-metallic elements | |
| #3 | Acyclic or carbocyclic compounds | |
| #4 | Materials for miscellaneous applications |
| # | Name | Total Patents |
|---|---|---|
| #1 | Halfdan Smedslund Tor | 4 |
| #2 | Smedslund Tor Halfdan | 2 |
| #3 | Smedslund Phil Tor Halfdan | 1 |
| #4 | Smedslund Dr Phil Tor Halfdan | 1 |
| #5 | Halfdan Smedslund | 1 |
| #6 | Eugen Enkvist Terje Ulf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2581050A | Method for the production of dimethyl sulfoxide | |
| GB620423A | Method of preparing solutions of gases | |
| US2539871A | Method to prepare solutions of gases | |
| CA463502A | Method for the production of dimethylsulphoxide | |
| CA473242A | Methods of preparing solutions of gases |