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Welcome to COT AB – Clean Oil Technology AB

COT develops and markets a patented environmental technology, which continuously eliminates liquid contaminations in lubricating and hydraulic oils while the engine/machine is operating.

COT Oil Refiner System® reduces free and dissolved liquid in hydraulic oils well below 100 PPM. The system’s continuous operation minimizes the need for stops due to oil change. COT Oil Refiner System® also facilitates the conversion to biofuels by minimizing the deterioration of oils caused by biofuels. The system’s simple design and limited maintenance needs enable an economic operation in hydraulic and industrial applications.

COT is a Swedish public company headquartered in Anderstorp, Sweden. The COT share is since April1, 2014, listed on Alternativa Aktiemarknaden in Sweden.

COT is a Swedish public company headquartered in Anderstorp, Sweden. The COT share is since April1, 2014, listed on Alternativa Aktiemarknaden in Sweden.

The company is based in Anderstorp, Sweden, and its shares are since April 2014 listed on Alternativa Aktiemarknaden in Stockholm.

COT’s three business sectors: