| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 14 | |
| #2 | Germany | 14 | |
| #3 | Sweden | 9 | |
| #4 | Netherlands | 3 | |
| #5 | Belgium | 2 | |
| #6 | Finland | 2 | |
| #7 | Canada | 1 | |
| #8 | Denmark | 1 | |
| #9 | Spain | 1 | |
| #10 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Chemical engineering | |
| #3 | Textiles and paper | |
| #4 | Machines | |
| #5 | Basic materials chemistry | |
| #6 | Medical technology | |
| #7 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frotscher H | 10 |
| #2 | Plapper J | 3 |
| #3 | Frotscher Herbert Dr | 3 |
| #4 | Manfred Petzold | 3 |
| #5 | Heyden Rudi Dr | 3 |
| #6 | Dieckelmann G | 2 |
| #7 | Guenter Jakobi Dipl-Chem Dr | 2 |
| #8 | Kurt Rehnelt | 2 |
| #9 | Herbert Frotscher Dr | 2 |
| #10 | Heyden Rudi | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CH531046A | Water proofing leather or furs with mon- - citrate compositions | |
| DE1430662A1 | Methods for cleaning vehicles | |
| DE1495092A1 | Process for the production of tanning resins | |
| DE1720270B1 | PROCESS FOR MANUFACTURING HIGHER MOLECULAR CONDENSATION PRODUCTS FOR TANNING PURPOSES | |
| CA690538A | Process for the production and use of water soluble hardenable polyalkylene and/or polyamine condensation products containing epoxide and/or halogen hydrin groups in the molecule |