Meissen porcelain further precaution, very few workers knew the special secret ("arcanum") of how to make porcelain, and then perhaps only part of the process. Thus, for a few years, Meissen retained its monopoly on the production of hard-paste porcelain in Europe. By 1717, however, a competing production was set up at Vienna, as Samuel Stöltzel sold the secret recipe, which involved the use of kaolin, also known as china clay. By 1760 about thirty porcelain manufacturers were operating in Europe, most of them, however, producing frit based soft-paste porcelain. In order to identify the original Meissen products, Meissen developed markings that
Chinese porcelain in European painting Europe, through what is known as "Carrak" trade, hence the name Kraak porcelain. French painters, such as François Desportes and Paul Gauguin, also represented Chinese bowls in their still-life paintings. Some like Jacques Linard in 1627 even painstainkingly reproduced Chinese writing, in "", 1627. This artistic trend coinciding with the fashion for Chinese porcelain in Europe in the 17th–18th century, which led to the development of a local porcelain industry initially highly imitative of Chinese wares, as seen in French porcelain. Chinese porcelain in European painting Chinese porcelain in European painting is known from the 16th century, following the importation