A food editor explains the difference between PYREX with capital letters and pyrex with lowercase letters. A Pyrex liquid measuring cup was one of the things I bought when I stocked my very first ...

Pyrex now falls under Corelle Brands. The PYREX cup models were made of borosilicate glass, which contains boron trioxide and is more resistant to high temperatures. The later models from pyrex ...

The plant is closing because Corelle Brands is moving its Pyrex glass production to its plants in Lancaster, Ohio. Workers had expected as much because Corelle Brands announced in September the ...

what type of glass formulation the product is made from." Instead, the PYREX/pyrex labeling switch was part of a 1970s rebranding effort, and beginning in the 1940s, the company switched to ...

Yet during the late 1990s, Corning sold Pyrex off to Corelle Brands. The new company focused on basic measuring cups and glass food storage containers, which don’t quite have the same flair and ...