The phrase "established product" is correct and can be used in written English.
You could use it to describe a product that has already been well known and on the market for a while. For example, "Apple is an established product in today's technological market".
We have an established product.
Samsung has done what Apple likes to do: taken a barely established product category and made it approachable, attractive and even desirable.
But the biggest revelation from the share economy's emergence has been that even when a new economy product is clearly superior and desirable to consumers, like renting a lovely home instead of a sterile motel room, or a good private campground, the political and legal system is often built to favour the poorer, established product.
"It's now an established product, and a go-to solution for a large portion of the market".
The aim of this study was to compare the desensitising effects of a modified formulation with the established product.
Also, while RED was a well established product, active for well over 10 years, the GREEN product and people were relatively new.
As part of this scheme METI has established product-category rules for 53 products.
Mr. Svinth said 50-year mortgages were meant to appeal to the same crowd as two other, more established, products.
Other reductions related to increased to the loss of exclusivity of its drugs included $631 million in established products and $59 million in its emerging markets unit.
"They are a set contract but they could change," said David S. Simmons, president and general manager of Pfizer's established products unit.
In 2008 it created a division called the established products business unit to sell medications that have lost their patent protection.
