Gas filters

This was where we had planned to be !

Looking back - we were too early and too small in the development of the highly suitable Re-SiC porous multi cell technology as Diesel-Particulate-Filters (DPF). We created all the basic methods, technologies, and even a production able to support the off-road market in the early 90ties. The package originally sold to Corning by hostile investors and later copied by several competitors.


This great Re-SiC porous multi cell technology was invented by an ambitious and innovative company. Many expensive low quality patent applications to back the many great inventions up. We learned the hard way that such a small country like Denmark completely lack the resources and vision to create a potential big international business. Few years after several EU based companies jumped into this business based on un-realistic business plans! Total investment in EU ranged >300 mio € - and then the marked collapsed – too many suppliers in a too competitive market!

Many articles about emission to be found on and

Download some PDF files about our years of work