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

Patent Owner(s)

Patent Owner	Address
BAYER SCHERING PHARMA AKTIENGESELLSCHAFT	BERLIN

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kanikanti, Venkata-Rangarao	Leverkusen, DE	33	206
Kurka, Peter	Langenfeld, DE	10	152
Muck, Wolfgang	Wuppertal, DE	1	57
Ohm, Andreas	Neuss, DE	29	357
Toppel, Gerd	Odenthal, DE	1	57

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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: 5900425

Pharmaceutical preparations having controlled release of active compound and processes for their preparation

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