| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | France | 4 | |
| #3 | Switzerland | 3 | |
| #4 | Austria | 2 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Special macromolecular compounds | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Howald Arthur M | 6 |
| #2 | Products Inc Toledo Synthetic | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2016199A | Drying reaction product of ureas and aldehydes | |
| GB373184A | Improvements in the manufacture of synthetic resins | |
| US1928493A | Hardening urea condensation products | |
| US1928492A | Synthetic resin | |
| US1910338A | Method of making resinous materials | |
| US2016198A | Resin and process of making it | |
| US2019453A | Resinous materials and processes for producing them |