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With Samuel Smith, Sherman co-invented Scotchgard, which soon become one of the most famous and widely used stain repellent and soil removal products in North America. The invention of Scotchgard was sparked by an accident. Sherman and coworkers were initially assigned to develop a rubber that could be used for jet fuel hoses. [2]
Scotchgard is a 3M brand of products, a stain repellent and durable water repellent applied to fabrics, upholstery, and carpets to protect them from stains. Scotchgard products typically rely on organofluorine chemicals as the main active ingredient along with petroleum distillate solvents.
The original formula for Scotchgard, a water repellent applied to fabrics, was discovered accidentally in 1952 by 3M chemists Patsy Sherman and Samuel Smith. Sales began in 1956, and in 1973 the two chemists received a patent for the formula. [21] [22]
Samuel Smith (September 13, 1927 – January 1, 2005) was an American chemist who co-invented Scotchgard with Patsy Sherman while an employee at the 3M company in 1952. [ 1 ] Biography
Although expensive (comparable to pharmaceuticals at $200–2000 per kilogram), they yielded over $1 billion in annual revenues by 2006; Scotchgard alone generated over $300 million in 2000. [ 195 ] [ 207 ] [ 208 ] Fluorosurfactants are a minority in the overall surfactant market, most of which is taken up by much cheaper hydrocarbon-based ...
Estimated price: $20 Shop Now When you can't tell the difference between the Kirkland brand and the name-brand counterpart, then you know you've got a winner on your hands.