| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | China | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Hong Kong | 1 | |
| #5 | Israel | 1 | |
| #6 | Japan | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Ammonia or cyanogen | |
| #3 | Gas-flow silencers for machines | |
| #4 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peters H James | 7 |
| #2 | Hankins William G | 7 |
| #3 | Spencer Iii Herbert W | 7 |
| #4 | Fujita Madoka | 6 |
| #5 | Spencer Herbert W Iii | 5 |
| #6 | Cooper Hal B H | 4 |
| #7 | Peters Harold James | 2 |
| #8 | Spencer Herbert W | 1 |
| #9 | Spencer W Herbert Iii | 1 |
| #10 | Fujita Madok | 1 |
| Publication | Filing date | Title |
|---|---|---|
| TW200925111A | Improved process to produce ammonia from urea | |
| US6436359B1 | Method for controlling the production of ammonia from urea for NOx scrubbing | |
| EP1019321A1 | Methods for the production of ammonia from urea and uses thereof |