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

Patent Owner(s)

Patent Owner	Address
LANXESS DEUTSCHLAND GMBH	50569 KÖLN

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
• A23L:FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT....
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hoffmann, Manfred	Kempen, DE	37	332
Kaulen, Johannes	Odenthal, DE	31	54
Ritzer, Edwin	Leverkusen, DE	12	34
Vogl, Erasmus	Leverkusen, DE	24	27

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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 14, 2013	US,8440719,B2   US8440719B2	GRANTED PATENT AS SECOND PUBLICATION
September 13, 2012	US,20120232154,A1   US20120232154A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8440719

Preservatives based on carboxylic anhydrides

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