| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Finland | 2 | |
| #6 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lane Donald R | 7 |
| #2 | Lane Donald Richard | 4 |
| #3 | Gutmann Paul F | 4 |
| #4 | Gutmann Paul Frederick | 4 |
| #5 | Melendez Jose A | 4 |
| #6 | Gutmann Paul | 2 |
| #7 | Lane Donald | 2 |
| #8 | Melendez Jose | 1 |
| #9 | Melendex Jose Arnaldo | 1 |
| #10 | Guttman Paul Fredrick | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2010181A1 | Aqueous dispersion of micro silica having a delayed thixotropic reaction | |
| US4913741A | Chemical additive for hydraulic cement mixes | |
| US4737193A | Chemical additive for hydraulic cement mixes | |
| US4689083A | Chemical additive for hydraulic cement mixes |