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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.
Patsy O’Connell Sherman (September 15, 1930– February 11, 2008) was an American chemist and co-inventor of Scotchgard, a 3M brand of products, a stain repellent and durable water repellent. [ 1 ] Early life
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]
Scotchgard Co-inventor 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 ]
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.
PFOSA, a persistent organic pollutant, was an ingredient in 3M's former Scotchgard formulation [1] [2] from 1956 until 2003, and the compound was used to repel grease and water in food packaging [3] along with other consumer applications. [4] It breaks down to form perfluorooctane sulfonate (PFOS). [5]