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

Patent Owner(s)

• AVENTIS PHARMA S.A.

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
Agouridas, Constantin	Nogent sur Marne, FR	30	565
Bretin, Francois	Ozoir la Ferriere, FR	4	1
Denis, Alexis	Paris, FR	55	611
Fromentin, Claude	Paris, FR	19	690

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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: RE39743

2-halogenated derivatives of 5-0 desosaminyl-erythronolide a, their preparation process and their antibiotic use

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