Process Refractometer PR-03/23/33/43 is protected by the following patents and patent applications and their corresponding national rights:
- US 9063020 23.2.2032
Process Refractometer PR-23/33/43 is also protected by the following additional patents:
- DE102011084387A1 (pending)
- FI126956B
- US9063020B2
- DE102011084386B4 (pending)
- FI125815B
- US9028140B2