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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
• C07B:GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS TH....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Köhler, Maximilian	Trostberg, DE	3	18
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
7.5 Year Payment	$3600.00	$1800.00	$900.00	Nov 9, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 9, 2028

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
May 09, 2017	US,9643948,B2   US9643948B2	GRANTED PATENT AS SECOND PUBLICATION
May 26, 2016	US,20160145232,A1   US20160145232A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9643948

2-oxo-1,3-dioxolane-4-acyl halides, their preparation and use

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