| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 | |
| #6 | Israel | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Materials for miscellaneous applications | |
| #2 | Unspecified technologies | |
| #3 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clark Greig J | 6 |
| #2 | Romocki Julian M E | 2 |
| #3 | Wong Tony C T | 2 |
| #4 | Young Peter J | 2 |
| #5 | Clark Greig Joseph | 1 |
| #6 | Greig J Clark | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1230960A | Modified waterflood technique for enhanced hydrocarbon recovery from argillaceous subterranean reservoirs | |
| CA1221849A | Reclamation of sodium-contaminated soils | |
| CA1183678A | H.sub.3po.sub.4/hf siliceous formation treating composition and method |