During this period, he collaborated with Charles Frederick Cross and Edward John Bevan to create a certain type of artificial fireproof silk.

Back in Romania, he was hired by the chemist Constantin I. Istrati as an assistant and then as a lecturer at the University of Bucharest's Faculty of Sciences in the Organic Chemistry Department.

In 1907, along with Ion Tănăsescu, he co-organized the Petroleum Congress in Bucharest and co-authored a monograph on the physical and technical properties of Romanian crude oil.

It is a process in which petroleum is refined with liquid sulfur dioxide to selectively extract aromatic hydrocarbons (benzene, toluene, xylene, etc.).

The procedure was first applied experimentally in Romania at the Vega Refinery and later spread to France (notably Rouen), Germany, and subsequently throughout the world.