| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Brazil | 3 | |
| #4 | Canada | 3 | |
| #5 | Finland | 3 | |
| #6 | Norway | 3 | |
| #7 | South Africa | 3 | |
| #8 | Spain | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Macromolecular chemistry and polymers |
| # | Technology | |
|---|---|---|
| #1 | Mixing | |
| #2 | Compounding processes | |
| #3 | Water treatment | |
| #4 | Preparation of materials | |
| #5 | Special macromolecular compounds | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sortwell Edwin Terrington | 16 |
| #2 | Sortwell Edwin T | 8 |
| #3 | Slovinsky Manuel | 8 |
| #4 | Mikkelsen Alan Russell | 7 |
| #5 | Mikkelsen Alan R | 5 |
| #6 | Mikkelsen Alan Russel | 3 |
| #7 | Nagan Leo E | 2 |
| #8 | Kane James P | 1 |
| #9 | Nakra Geetanjali | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5342539A | Polyacrylamide-phosphonate flocculants and methods of making | |
| EP0405712A2 | Protonated Mannich polymers | |
| US4845192A | Method of rapidly dissolving polymer gels in water | |
| US4640622A | Dispersion of dry polymers into water | |
| US4874588A | Method and apparatus for rapidly dissolving polymers in water | |
| US4529794A | Method of rapidly dissolving polymers in water | |
| US4603156A | Method of dispersing dry, water-soluble polymers in water |