When Were Plastic Bags Invented?

1965 – The one-piece polyethylene shopping bag is patented by the Swedish company Celloplast. Designed by engineer Sten Gustaf Thulin, the plastic bag quickly begins to replace cloth and plastic in Europe.

When did we start to use plastic bags?

1965. Sten Gustaf Thulin , an employee at a company called Celloplast, invented the first official plastic bag in 1965. This was the start of the modern plastic bags we see today!

Who invented plastic bags and when?

Thulin's “bag with handle”

Celloplast filed a patent for Thulin's idea in July 1962. On April 27, 1965, they received the U.S. patent for “Bag with handle of weldable plastic material”. Thulin's idea, what is now often called the “T-shirt plastic bag”, is the design behind every plastic bag that we see these days.