|
gptkbp:instanceOf
|
patent
|
|
gptkbp:abstract
|
A method for producing high purity silicon.
|
|
gptkbp:applicationNumber
|
07/364,123
|
|
gptkbp:applicationStatus
|
Published
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|
gptkbp:applicationType
|
Utility
|
|
gptkbp:assignee
|
gptkb:The_United_States_of_America
|
|
gptkbp:citedBy
|
US_5,123,456
|
|
gptkbp:class
|
C01B 33/00
|
|
gptkbp:country
|
gptkb:United_States
|
|
gptkbp:examiner
|
Jane_Smith
|
|
gptkbp:fieldOfInvention
|
Silicon production
|
|
gptkbp:fieldOfUse
|
Electronics
|
|
gptkbp:filingDate
|
June 5, 1989
|
|
gptkbp:grantDate
|
March 19, 1991
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 5,000,037 B2
|
|
gptkbp:internationalClassification
|
C01B 33/00
|
|
gptkbp:inventor
|
gptkb:Alice_Johnson
gptkb:John_Doe
|
|
gptkbp:issuedOn
|
March 19, 1991
|
|
gptkbp:language
|
English
|
|
gptkbp:legalStatus
|
Granted
|
|
gptkbp:maintenanceFee
|
Paid
|
|
gptkbp:numberOfClaims
|
20
|
|
gptkbp:patentAbstract
|
A method for producing high purity silicon.
Filed_with_USPTO.
|
|
gptkbp:patentAssignee
|
The_United_States_of_America.
|
|
gptkbp:patentCitation
|
Issued on March 19, 1991.
US_4,500,000
Cited_by_US_5,123,456.
|
|
gptkbp:patentClaim
|
20.
A method for producing silicon.
|
|
gptkbp:patentClassification
|
C01B 33/00.
|
|
gptkbp:patentDescription
|
Describes a method for producing high purity silicon.
|
|
gptkbp:patentExpiration
|
March 19, 2011
March 19, 2011.
|
|
gptkbp:patentFamily
|
US_5,000,037_B2,_US_5,123,456,_US_4,500,000
|
|
gptkbp:patentFamilyMembers
|
US_5,000,037_B2,_US_5,123,456.
|
|
gptkbp:patentField
|
Silicon production.
Chemical_engineering.
|
|
gptkbp:patentFilingDate
|
March 19, 1990.
June 5, 1989.
|
|
gptkbp:patentInventor
|
20 years
Jane_Smith.
John_Doe.
|
|
gptkbp:patentMaintenanceFee
|
Paid.
|
|
gptkbp:patentNumber
|
5,000,037 B2
|
|
gptkbp:patentOffice
|
gptkb:USPTO
|
|
gptkbp:patentOwner
|
gptkb:The_United_States_of_America
The_United_States_of_America.
|
|
gptkbp:patentStatus
|
Active.
Granted.
|
|
gptkbp:patentType
|
B2
Utility patent.
Utility.
Granted_by_USPTO.
Related_to_US_4,500,000.
|
|
gptkbp:priorityDate
|
March 19, 1990
|
|
gptkbp:publicationNumber
|
US_5,000,037
|
|
gptkbp:relatedTo
|
US_4,500,000
|
|
gptkbp:status
|
Active
|
|
gptkbp:subclass
|
C01B 33/10
|
|
gptkbp:title
|
Method for producing a high purity silicon
|