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

Patent Owner(s)

Patent Owner	Address
ALKALOIDA VEGYESZETI GYAR	HUNGARIAN TISZAVASVARI GYOR GYOR-MOSON-SOPRON

International Classification(s)

• A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
• C07D:HETEROCYCLIC COMPOUNDS

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Borsos, nee Spafranek Iren	Tiszavasvari, HU	1	1
Fodor, Andras	Szeged, HU	6	10
Kiss, Istvan	Szeged, HU	4	10
Maroy, Peter	Szeged, HU	3	10
Repasi, Janos	Tiszavasvari, HU	8	71
Timar, Tibor	Tiszavasvari, HU	9	38
Zsupan, Kalman	Tiszavasvari, HU	4	27

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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: 4968819

Process for the preparation of chromene derivatives

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