This article needs additional citations for verification. (December 2009)
Polyvinyl chloride (PVC) was discovered by French physicist Henri Victor Regnault, and German physicist Eugen Baumann. Klatte designed the production process, although never successfully commercialised it. Klatte is sometimes incorrectly attributed to be the discoverer or inventor of PVC.
(1) Deutsche Reichs Patent no. 281687 (4 July 1913), an abstract of which appears in the Journal of the Society of Chemical Industry (London), vol. 34, page 623 (1915);
(2) Deutsche Reichs Patent no. 281688 (2 April 1914);
(3) British patent no. 15271 (25 June 1914.);
(4) Fritz Klatte and Adolf Rollett, "Plastic composition and process of producing it," U.S. Patent 1,241,738 (filed: July 3, 1914; issued: Oct. 2, 1917), an abstract of which appears in the Journal of the Society of Chemical Industry (London), vol. 36, page 1185 (1917).
For further biographical information (including photo), see (in German): Erfinder(Inventor): Fritz Klatte, 1913 - PVC.