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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
AEL MINING SERVICES LIMITED	2196 JOHANNESBURG

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• B01F:MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Pienaar, Andre	Pretoria, ZA	4	6
Stockenhuber, Michael	Callaghan, AU	7	2
Wilson, Laurence Justin Pienaar	Midrand, ZA	3	4

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 15, 2025

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 15, 2013	US,8558038,B2   US8558038B2	GRANTED PATENT AS SECOND PUBLICATION
April 11, 2013	US,20130090497,A1   US20130090497A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8558038

Epoxidation of glycerol and derivatives therefrom

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