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

Patent Owner(s)

Patent Owner	Address
SIKA TECHNOLOGY AG	ZUGERSTRASSE 50 BAAR 6340

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Putzien, Sophie	Ampfing, DE	13	35
Wölfle, Heimo	Traunstein, DE	5	11
Walther, Burkhard	Taching am See, DE	38	134

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 11, 2028

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
April 11, 2017	US,9617238,B2   US9617238B2	GRANTED PATENT AS SECOND PUBLICATION
December 10, 2015	US,20150353521,A1   US20150353521A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9617238

2-oxo-1,3-dioxolane-4-carboxamide building blocks, their preparation and use

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