US patent 5,017,000

GPTKB entity

Properties (47)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing high purity silicon using a chemical vapor deposition process.
gptkbp:applicationDate January 2, 1990
gptkbp:applicationNumber 07/368,155
gptkbp:applicationType non-provisional
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_Energy
gptkbp:citedBy US patent 5,514,474
US_patent_5,300,470
US_patent_5,405,646
US_patent_5,474,771
US_patent_5,554,646
gptkbp:country gptkb:United_States
gptkbp:documentType patent document
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfUse semiconductors
gptkbp:filedIn gptkb:Robert_J._McCarthy
gptkbp:grantType utility
https://www.w3.org/2000/01/rdf-schema#label US patent 5,017,000
gptkbp:internationalClassification H01L21/00
C01B33/38
gptkbp:inventor gptkb:Robert_J._McCarthy
gptkbp:issuedOn May 21, 1991
gptkbp:language English
gptkbp:legalStatus active
gptkbp:numberOfClaims 20
gptkbp:patentCitation gptkb:US_patent_4,999,999
US_patent_4,877,883
US_patent_4,888,267
US_patent_4,911,934
US_patent_4,940,525
gptkbp:patentExpiration May 21, 2008
gptkbp:patentFamily gptkb:US_patent_family_5,017,000
gptkbp:patentNumber 5,017,000
gptkbp:patentType granted
gptkbp:priorityDate August 1, 1989
gptkbp:relatedPatent gptkb:US_patent_5,017,004
US_patent_5,017,001
US_patent_5,017,002
US_patent_5,017,003
US_patent_5,017,005
gptkbp:relatedTo energy efficiency
semiconductor manufacturing
chemical vapor deposition
high purity materials
silicon production
gptkbp:status expired
gptkbp:title Method for producing a high purity silicon