| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Germany | 4 | |
| #3 | United States | 3 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Basic materials chemistry | |
| #3 | Biotechnology | |
| #4 | Transport | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Photosensitive materials | |
| #2 | Compounds of unknown constitution | |
| #3 | Motor vehicles | |
| #4 | Crop agriculture | |
| #5 | Soaps | |
| #6 | Candles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Polgar Andre | 3 |
| #2 | Andre Polgar | 3 |
| #3 | Charles Halmos | 2 |
| #4 | Charlcs Halmos | 1 |
| #5 | Halmos Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1111694A | Sequestering agents derived from urea and method of manufacturing same | |
| GB597147A | Improvements in process for stabilizing prints obtained by the photographic bleaching-out process | |
| GB586389A | Improvements in the manufacture of photographic bleaching-out layers | |
| GB586509A | Process for the preparation of photographic bleaching-out layers | |
| GB426383A | Improvements in photographic bleaching out layers |