The
CAN-BD process is based on the methods invented and developed by Sievers,
Carpenter, and coworkers, licensed to AKTIV-DRY™
- Sievers, R.E. and Karst, U. US Patent 5639441 (1997)
- Sievers, R.E. and Karst, U. US Patent 6095134 (2000)
- Sievers, R.E., Sellers, S.P. and Carpenter, J.F., WO
00/75281-A2 (2001); national phase entered in US, UK, Japan, Australia,
China, Italy, Spain, Germany, France, Switzerland, etc.
- Sievers, R.E. European patent 0677332 B2, Feb.27, 2002;
registered in UK, Germany, France, Switzerland.
- Other patent applications have been filed that are
divisionals of the CAN-BD patent filed April 8, 1994, and the European
application.
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