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

Patent Owner(s)

Patent Owner	Address
VIATRIS GMBH & CO KG	GERMANY BART HUMBOLDT

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C11C:FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FAT....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Beisswenger, Thomas	Bad Vilbel, DE	13	87
Bethge, Horst	Hanau-Wolfgang, DE	14	80
Blaschke, Gottfried	Munster, DE	3	64
Huthmacher, Klaus	Gelnhausen, DE	141	780
Moller, Roland	Hammersbach, DE	29	172
Scheidemantel, Ursula	Munster/Hiltrup, DE	1	14

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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

Full Text

US Patent No: 5281722

Preparation and use of salts of the pure enantiomers of alpha-lipoic acid

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