| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | China | 5 | |
| #3 | Sweden | 5 | |
| #4 | Denmark | 2 | |
| #5 | Italy | 2 | |
| #6 | United Kingdom | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | United States | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bogdanor James Marlow | 1 |
| #2 | Hurst J | 1 |
| #3 | Berke N S | 1 |
| #4 | Braft John G | 1 |
| #5 | Previte R W | 1 |
| #6 | Schirmer H G | 1 |
| #7 | Palmer N I | 1 |
| #8 | Glandon J L | 1 |
| #9 | Bailey R | 1 |
| #10 | Moore C B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3734725A | Silverless photographic printing paper |