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

Patent Owner(s)

Patent Owner	Address
RICHTER GEDEON VEGYESZETI GYAR RT	BUDAPEST

International Classification(s)

• C07J:STEROIDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Balogh, Gábor	Budapest, HU	12	19
Gálik, György	Albertirsa, HU	2	0
Horváth, Judit	Budapest, HU	2	0
Mahö, Sándor	Budapest, HU	1	0
Sörös, Béla	Budapest, HU	2	0
Tuba, Zoltán	Budapest, HU	7	5

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 28, 2013	US,8450476,B2   US8450476B2	GRANTED PATENT AS SECOND PUBLICATION
August 14, 2008	US,20080194812,A1   US20080194812A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8450476

Process for the preparation of 17-hydroxy-6β,7β;15β,16β-bismethylene-17α-pregn-4-ene-3-one-21-carboxylic acid γ-lactone and key intermediates for this process

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