Statements (60)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:abstract |
A method for producing high purity silicon by reducing silicon dioxide with a reducing agent.
|
gptkbp:applicationNumber |
07/370,174
|
gptkbp:applicationType |
utility
|
gptkbp:assignee |
The_United_States_of_America_as_represented_by_the_Department_of_Energy
|
gptkbp:citedBy |
gptkb:US_patent_5,456,789
gptkb:US_patent_5,123,456 gptkb:US_patent_5,234,567 gptkb:US_patent_5,345,678 |
gptkbp:country |
gptkb:United_States
|
gptkbp:documentType |
patent document
|
gptkbp:examiner |
gptkb:John_Doe
|
gptkbp:fieldOfUse |
semiconductors
|
gptkbp:filingDate |
June 23, 1989
|
gptkbp:firstClaim |
A method for producing high purity silicon.
The method of claim 20. |
gptkbp:grantDate |
September 10, 1991
|
https://www.w3.org/2000/01/rdf-schema#label |
US patent 5,046,000
|
gptkbp:internationalClassification |
423/1.1
C01B33/38 |
gptkbp:inventor |
gptkb:Robert_J._McCarthy
|
gptkbp:inventorCountry |
gptkb:United_States
|
gptkbp:issuedOn |
September 10, 1991
|
gptkbp:language |
English
|
gptkbp:legalStatus |
patent granted
|
gptkbp:numberOfClaims |
20
|
gptkbp:patentAbstract |
English.
Describes a method for producing high purity silicon. |
gptkbp:patentAssignee |
Department_of_Energy.
|
gptkbp:patentCitation |
Cited by 10 other patents.
cited by 10 other patents. |
gptkbp:patentClaim |
20 claims.
|
gptkbp:patentDescription |
A detailed description of the method for producing high purity silicon.
|
gptkbp:patentExpiration |
2011-09-10
2011-09-10. |
gptkbp:patentFamily |
US_patent_family_5,046,000
|
gptkbp:patentField |
Chemical_Engineering.
|
gptkbp:patentFilingDate |
June 23, 1989.
March 31, 1989. September 10, 1991. |
gptkbp:patentImage |
link to patent image.
|
gptkbp:patentInventor |
20 years
United_States. Robert_J._McCarthy. |
gptkbp:patentLink |
link to detailed description.
|
gptkbp:patentNumber |
5,046,000
5,046,000. |
gptkbp:patentOffice |
gptkb:USPTO
USPTO. |
gptkbp:patentStatus |
Active.
Granted. |
gptkbp:patentType |
granted patent
Utility Patent. Patent Document. |
gptkbp:priorityDate |
March 31, 1989
|
gptkbp:relatedTo |
materials science
chemical engineering silicon production |
gptkbp:status |
active
|
gptkbp:title |
Method for producing a high purity silicon
|