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

Patent Owner(s)

Patent Owner	Address
EVONIK ROEHM GMBH	DARMSTADT

International Classification(s)

• C01C:AMMONIA; CYANOGEN; COMPOUNDS THEREOF
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ait, Aissa Belaid	Darmstadt, DE	14	23
Groemping, Matthias	Darmstadt, DE	19	219
Krill, Steffen	Muehltal, DE	100	425
May, Alexander	Seeheim-Jugenheim, DE	42	360

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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	May 7, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 7, 2029

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
November 07, 2017	US,9809530,B2   US9809530B2	GRANTED PATENT AS SECOND PUBLICATION
May 25, 2017	US,20170144960,A1   US20170144960A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9809530

Method for producing alpha-hydroxy carboxylic esters in the gas phase

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