Several improvements were made, such as the introduction of refastenable tapes, the "hourglass shape" so as to reduce bulk at the crotch area, and the contrivance of super-absorbent material from polymers certified as sodium polyacrylate.
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During the 1950s, companies such as Kendall, Parke-Davis, Playtex, and Molnlycke entered the disposable diaper market |
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| In 1956, Procter & Gamble began researching disposable click here diapers |
| Vic Mills, along with his business group including William Dehaas, both men who worked for the company, invented "Pampers" while searching for a more valuable artifact to use. |