Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:applicationDate |
1790-07-31
|
| gptkbp:assignee |
gptkb:United_States
|
| gptkbp:fieldOfUse |
chemical production
|
| gptkbp:grantDate |
1790-07-31
|
| https://www.w3.org/2000/01/rdf-schema#label |
US patent 0,000,001
|
| gptkbp:inventor |
gptkb:Samuel_Hopkins
|
| gptkbp:issuedBy |
1790
|
| gptkbp:patentNumber |
1
|
| gptkbp:status |
expired
|
| gptkbp:title |
Process of making potash
|