| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | Belgium | 2 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | France | 2 |
| # | Technology | |
|---|---|---|
| #1 | Photosensitive materials | |
| #2 | Unspecified technologies | |
| #3 | Electrography |
| # | Name | Total Patents |
|---|---|---|
| #1 | Girard E L | 1 |
| #2 | Desjarlais Robert C | 1 |
| #3 | Desjarlais Robert Charles | 1 |
| #4 | Girard Eric L | 1 |
| #5 | Desjarlais R C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1268666A | Erasable diazotype materials | |
| GB1248423A | Substituted diresorcyl sulfides and sulfoxides | |
| GB1248424A | Light-sensitive diazo compositions and materials | |
| GB1248766A | Light-sensitive diazo compositions |