| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 1 | |
| #2 | Australia | 1 | |
| #3 | Belgium | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | Spain | 1 | |
| #9 | Finland | 1 | |
| #10 | France | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Italy | 1 | |
| #13 | Japan | 1 | |
| #14 | Netherlands | 1 | |
| #15 | Sweden | 1 | |
| #16 | United States | 1 | |
| #17 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Compounding ingredients | |
| #2 | Compounding processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Korf Heinz-Ludwig | 5 |
| #2 | Korf H | 2 |
| #3 | Haintsuurudouigu Koofu | 1 |
| #4 | Korf H-L | 1 |
| #5 | Korf H L | 1 |
| #6 | Korf Heinz L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4267277A | Method of producing urea-formaldehyde resin and foam having reduced formaldehyde emission | |
| CA1098650A | Cellular urea-formaldehyde resin and method of preparing the same |