Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 5395419 | Therapeutic and preventative treatment of anaerobic plant and soil conditions Disclosed is the use of oxygen delivery vehicles, including peroxides of calcium, potassium and magnesium, to treat plant media having a negative reduction oxidation potential. The peroxides are preferably intercalated with phosphate ion which prolongs th... | 03/07/1995 |
| 5264018 | Use of metallic peroxides in biormediation Disclosed is a method of decontaminating soil by applying to the soil an oxygen delivery vehicle such as peroxides of calcium, potassium or magnesium or mixture thereof in an amount which substantially increases the population of microorganism in the soil... | 11/23/1993 |
