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

Patent Owner(s)

• HOECHST AKTIENGESELLSCHAFT;DR. F. KOHLER CHEMIE GMBH

International Classification(s)

• C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Erbel, Raimund	Mainz, DE	9	1012
Krone, Volker	Florsheim, DE	30	710
Magerstadt, Michael	Hofheim am Tanus, DE	11	711
Walch, Axel	Frankfurt am Main, DE	34	1370
Zotz, Rainer	Mainz, DE	8	664

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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: 5190982

Ultrasonic contrast agents, processes for their preparation and the use thereof as diagnostic and therapeutic agents

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