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Browse: Pattern reference for all English Pyrex, branded Jobling Opalware, Pyrex Tableware, JAJ Pyrex and Pyrex England (late-1950s through to the early-1990s) Browse: Original Catalogues / Leaflets (UK) – – – – – – Crown Crystal Glass (owned by parent company ACI Glass) were the producers of Pyrex in Australia from 1926.

Up until 1961, all Pyrex glassware produced in Australia was clear.

This reference site specialises in decorated opal Pyrex, produced from around the mid-1950s through to the early-1990s.

We’ve captured as many designs, variations and models as we can – however if you see something we’re missing that you can assist with, please let us know!

The Pyrex name and formula was sold to another company in 1998.

They have since changed the formula, and those are all the ones that have been exploding in people's ovens, kitchens, etc.

Sullivan had learned about Schott's borosilicate glass as a doctoral student in Leipzig, Germany.

Jesse Littleton of Corning discovered the cooking potential of borosilicate glass by giving his wife a casserole dish made from a cut-down Nonex battery jar.

The railroad needed the lamp bowls to be hard wearing and stand extremes of temperature. Corning used the trade mark 'Pyrex' to sell this new glassware to the domestic market.

I know the colored stuff (milk colored w/ colored exteriors) is all pre-1998came up with this in a google search. European trademark usage differs from American and the encircled "R" is not present on European PYREX items.

According to Wikipedia, Corning's responsibility extends to this formality: When trademarked as PYREX® (all UPPER CASE LETTERS plus, in the USA, a trademark notice comprising a capital R in a circle) the trademark includes clear, low-thermal-expansion borosilicate glass used for laboratory glassware and kitchenware, plus other kitchenware including opaque tempered high-thermal-expansion soda-lime glass, pyroceram, stoneware, and metal items See. When trademarked as pyrex® (all lower case letters plus a trademark notice comprising a capital R in a circle) the trademark includes clear tempered high-thermal-expansion soda-lime glass kitchenware, plus other non-glass kitchenware, made by World Kitchen. node=1055398&field-brandtextbin=Pyrex I actually did not know anything about this so now I know what to look for (I think).

Pyrex (trademarked as PYREX) is a brand introduced by Corning Inc.

in 1908 for a line of clear, low-thermal-expansion borosilicate glass used for laboratory glassware and kitchenware.

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