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W i t h our new commercial p l an t for p-TBBA to be e o m p k ^ d in the first quar­ter of ?54, and with adequate stocks now7 on hand for development work—it's time to investigate this new drying oil upgrader in your own alkyd formulations.

p-TBBA esterifies readily and is sug­gested for product improvement in other applications where fatty acids, aromatic acids or resin acids are now used.

You are invited to write for technical bulletin SC:51-25, "p-Tertiary-Butyl Ben­zoic Acid in Surface Coating Resins". Sam­ples will be mailed upon receipt of your letterhead request.

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p-TERTIARY-BUTYL BENZOIC ACID

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Faster air drying, shorter baking t ime , greater hardness

improved color and gloss, initially and on aging or overbaking

Superior soap and chemical resistance

Simplified cooking techniques—low acid values wi thout gelation

S H E L L C H E M I C A L C O R P O R A T I O N C H E M I C A L PARTNER OF I N D U S T R Y A N D A G R I C U L T U R E

Eastern Division: 50O Fifth Avenue, New York 36 · Western Division: 100 Bush Street, San Francisco 6 Atlanta · Boston · Chicago · Cleveland · Detroit · Houston · Los Angeles · Newark · St. Louis IN CANADA: Chemical Division, Shell Oil Company of Canada, Limited · Montreal · Toronto · Vancouver

V O L U M E 3 1, N O . 4 3 » » O C T O B E R 2 6, 1 9 5 3 4449

We're going into commercial production

p-TBBA can give you