As you may know, there are purposes for artificial rubber that the natural product cannot fulfill.

Another aspect of German research that impressed Bolton was the effort to create artificial rubber.

Was the black rose like the silk-handkerchief glass and the artificial rubber - a figment of a cracked old inventor's imagination?

People may also make artificial rubber from mineral oil.

The merged enterprise had opened the Auschwitz slave labor camp on June 14, 1940, to produce artificial rubber and gasoline from coal.

Until artificial rubber was invented by the colony-impaired Germans, no modern economy could exist without the natural stuff.

German scientists had to research how to produce artificial rubber (Buna), and coffee made from roasted acorns, for example.

Louisville became the world's largest source of artificial rubber.

Moore supplied us with artificial rubber to face the doors for seating.

Here's a fake scheme to make artificial rubber.