Dennis W. Weatherby, Ph.D. was an inventor, scientist, university administrator, and proponent of minority college students' success.
Dr. Weatherby had a patent on "lemon scented Cascade" while working at Procter & Gamble. As the founding director of
Auburn University's Minority Engineering Program, he made Auburn one of the top universities for graduating African Americans in the field of engineering.
With his team, Weatherby developed a solution that employed a category of dyes that could be used in products containing bleach and, at the same time, would give the soap a lemon-yellow color that would not stain dishes. Before his invention, pigments were used in such solutions that often stained dishes and dishwasher interiors. With fellow inventor Brian J. Roselle, he received U.S. patent No. 4,714,562, issued on Dec. 22, 1987, for his breakthrough “Automatic dishwasher detergent composition.” The solution serves as the basic formula behind all of today’s “lemon-scented” cleaning products containing bleach.
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