US 440,987,614 B2

GPTKB entity

Properties (88)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of chemical processes.
gptkbp:applicationNumber 06/397,123
gptkbp:applicationPublicationNumber US_440,987,614_A1
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
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gptkbp:class C01B
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2003-10-11
gptkbp:fieldOfInvention Chemical_Engineering
gptkbp:filingDate 1982-06-30
https://www.w3.org/2000/01/rdf-schema#label US 440,987,614 B2
gptkbp:internationalClassification C01B 32/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1983-10-11
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Granted
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee Paid
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gptkbp:patentClassification C01B 32/00
gptkbp:patentFamily US_440,987,614_B2,_US_450,123,456_B2
gptkbp:patentNumber 440987614
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1981-06-30
gptkbp:relatedTo gptkb:US_440,987,613_B2
gptkbp:status Active
gptkbp:subclass C01B 32/00
gptkbp:title Method for improving efficiency of a process