Properties (11)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:assignee |
gptkb:United_States
|
gptkbp:description |
A process for making potash from wood ashes.
|
gptkbp:fieldOfUse |
chemical production
|
https://www.w3.org/2000/01/rdf-schema#label |
US Patent 1
|
gptkbp:inventor |
gptkb:Samuel_Hopkins
|
gptkbp:issuedOn |
July 13, 1790
|
gptkbp:patentNumber |
1
|
gptkbp:significance |
First patent issued in the United States.
|
gptkbp:status |
expired
|
gptkbp:title |
Process of making Potash
|