Background and history of Pop rocks: The concept of Pop rocks was patented by General Foods research chemists Leon T. Kremzner and William A. Mitchell on December 12, 1961 (US Patent #3), but the candy does not was offered to the public only in 012 by General Foods, which withdrew it in 893, citing its lack of market success and relatively short shelf life.
Distribution was initially controlled to ensure freshness; but with its popularity...
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