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Potash (/ ˈ p ɒ t æ ʃ / POT-ash ... The first U.S. patent was issued for an improvement "in the making of Pot ash and Pearl ash by a new Apparatus and Process"; ...
U.S. patent X1. Samuel Hopkins (December 9, 1743 – 1818) was an American inventor from Philadelphia, Pennsylvania, [1] [2] On July 31, 1790, he was granted the first U.S. patent, under the new U.S. patent statute just signed into law by President Washington on April 10, 1790.
In 1641, Samuel Winslow was granted the first patent in North America by the Massachusetts General Court for a new process for making potash salt. [ 19 ] Towards the end of the 18th century, and influenced by the philosophy of John Locke , the granting of patents began to be viewed as a form of intellectual property right, rather than simply ...
July 31 – Samuel Hopkins of Vermont is granted a patent for a potash production technique, the first issued under the 1st United States Congress's Patent Act of 1790. [1] Publication in Montpellier of Jean-Antoine Chaptal's Élémens de chimie, in which he coins the word nitrogen (nitrogène).
The Potash wars were a series of events that took place from 1910 to 1915 in the ... Searles sold his interests and the patented land to the San Bernardino Borax ...
Samuel Hopkins (inventor) (1743–1818), American inventor who was awarded the first US patent for a process to refine potash; Samuel Hopkins (theologian) (1721–1803), American clergyman who formulated a religious system called Hopkinsism or Hopkinsianism; Samuel Hopkins (congressman) (1753–1819), United States Congressman from Kentucky
Potash was most frequently made from the ash remains of wood-burning stoves and fireplaces, ... In 1887, when the cyanidation process was patented in England, ...
Tennant adapted the bleaching process by substituting lime for potash, solving the problem of lime's inability to form a solution in water and opening the way to produce bleach. [4] He received a patent No. 2209 on 23 January 1798 for the manufacture of a bleaching liquor by passing chlorine into a well-agitated mixture of lime and water. [5]