Intellectual property
ACWACO Ltd owns internationally the IPR of AcWaCo-technology.
| Finland | Patent No. 110209 |
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| USA | Patent No. 6,501,550 |
| Australia | Patent No. 768410 |
| China | Patent No. ZL 99 8 14090.2 |
| Russia | Patent No. 2243500 |
| Mexico | Patent No. 226787 |
| European Union | Patent No. 1149268. Designated contracting states: Austria, Belgium, Switzerland, Cyprus, Germany, Denmark, Spain, Finland, France, Great-Britain, Greece, Ireland, Italy, Liechtenstein, Luxemburg, Monaco, Netherlands, Portugal, Sweden. |
| Canada | Patent No. 2,350,736 |
| Israel | Patent No. 143453 |
| Czech Republic | Patent No. 299040 |
| South Korea | Patent No. 10-0729491 |
| Brasil | Patent application No. 9916875-8 |
| India | Patent application No. IN/PCT/2001/00457/DEL |