| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Spain | 1 | |
| #7 | India | 1 | |
| #8 | Norway | 1 | |
| #9 | New Zealand | 1 | |
| #10 | Philippines | 1 | |
| #11 | Portugal | 1 | |
| #12 | United States | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Compounds containing metals |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cox David | 9 |
| #2 | Alan Curtis Peters | 1 |
| #3 | David Cox | 1 |
| #4 | Alan Barons Crompton | 1 |
| #5 | Cox D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU4677685A | Process for the manufacture of hydrated oxides and tri- and tetra- basic lead sulphates | |
| NZ212810A | Methods for producing hydrated lead oxides in the bivalent state and tri- and tetra-basic lead sulphates |