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James A. Hellyer, a 31-year old chemical engineer working for the Procter & Gamble Co., along with two co-workers invented the "grease handling" ability of DAWN Dishwashing Liquid in 1974. This technology received strong protection under U. S. Patent No. 4,133,779, allowing DAWN to be unmatched for decades in satisfying the "grease handling" needs of consumers for washing dishes. Over the years, a wide range of other remarkable uses have been found for DAWN.

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9y ago
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Loretta Bostic

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2y ago
Knew I tried it when it came out in the '70's but was looking for the actual year.
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Wiki User

9y ago

James A. Hellyer, a 31-year old chemical engineer working for the Procter & Gamble Co., along with two co-workers invented the "grease handling" ability of DAWN dishwashing liquid in 1974. This technology received strong protection under U. S. Patent No. 4,133,779, allowing DAWN to be unmatched for decades in satisfying the "grease handling" needs of consumers for washing dishes. Over the years, a wide range of other remarkable uses have been found for DAWN.

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SeaG0D _Neptune

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3y ago

How did Dawn dish soap gets

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Q: Who invented dawn dish soap?
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