On this Wikipedia the language links are at the top of the page across from the article title. With corn flakes becoming popular cornflake chicken the wider community, a previous patient at the sanitarium, C. Post, started to make rival products.

Kellogg continued to experiment with various ingredients and different grains. In 1928, he started to manufacture Rice Krispies, another successful breakfast cereal. There are many generic brands of corn flakes produced by various manufacturers. As well as being used as a breakfast cereal, the crushed flakes can be a substitute for bread crumbs in recipes and can be incorporated into many cooked dishes.

Corn flakes are a packaged cereal product formed from small toasted flakes of corn, usually served cold with milk and sometimes sugar. The development of the flaked cereal in 1894 has been variously described by John Kellogg, his wife Ella Eaton Kellogg, his younger brother Will, and other family members. There is considerable disagreement over who was involved in the discovery, and the role that they played. According to some accounts, Ella suggested rolling out the dough into thin sheets, and John developed a set of rollers for the purpose. A patent for “Flaked Cereals and Process of Preparing Same” was filed on May 31, 1895, and issued on April 14, 1896 to John Harvey Kellogg as Patent No. Significantly, the patent applied to a variety of types of grains, not just to wheat. John Harvey Kellogg was the only person named on the patent.

The flakes of grain, which the Kellogg brothers called Granose, were a very popular food among the patients. The brothers then experimented with other flakes from other grains. In 1906, Will Keith Kellogg, who served as the business manager of the sanitarium, decided to try to mass-market the new food. There have been many mascots of Kellogg’s Cornflakes. The most popular one is a green rooster named Cornelius “Corny” Rooster, which has been the mascot since his debut.

In early commercials, he would speak the catchphrase “Wake up, up, up to Kellogg’s Cornflakes! Later, he stopped talking and simply crowed. There are a wide variety of different recipes for dishes involving corn flakes and crushed corn flakes can even be a substitute for bread crumbs. Honey joys are a popular party snack in Australia. They are made by mixing corn flakes with honey, butter and sugar and baking in patty cases or muffin cups.

Breakfast Cereals, and how They are Made. The Kelloggs: The Battling Brothers of Battle Creek. Flaked Cereals and Process of Preparing Same, filed May 31, 1895, issued April 14, 1896. Archived from the original on November 2, 2012.

Food Facts and Trivia: Corn Flakes”. Kellogg is an occupational name, not for a manufacturer of cornflakes, but for a pork butcher, literally a ‘kill hog’. Putting the ‘Ceiliog’ in Corn Flakes”. Sweet Treats around the World: An Encyclopedia of Food and Culture. 00743 11 40 C 11 55. 007431 69 40 69 C 47.