US patent 5,046,000

GPTKB entity

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