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

Patent Owner(s)

Patent Owner	Address
CRYSTAL PHARMA SA	PARQUE TECNOLÓGICO DE BOECILLO P 113 BOECILLO - VALLADOLID E-47151

International Classification(s)

• C07J:STEROIDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Herráiz, Sierra Ignacio	Boecillo-Valladolid, ES	3	0
Iglesias, Retuerto Jesús Miguel	Boecillo-Valladolid, ES	9	16
Messina, Ivano	Boecillo-Valladolid, ES	4	0
Sandoval, Rodríguez Celso Miguel	Boecillo-Valladolid, ES	3	2

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Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Aug 18, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 18, 2032
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Full Text

US Patent Application No: 12227537

Intermediates for the preparation of 11-methylene steroids

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