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Patent Owner(s)

Patent Owner	Address
EVONIK OPERATIONS GMBH	RELLINGHAUSER STRASSE 1-11 ESSEN 45128

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
• C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Henning, Frauke	Essen, DE	63	2135
Lehmann, Kathrin	Leverkusen, DE	31	562
Mund, Christian	Essen, DE	9	252
Nawracala, Angela	Bergisch Gladbach, DE	3	14

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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	Jun 19, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 19, 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
December 19, 2017	US,9845391,B2   US9845391B2	GRANTED PATENT AS SECOND PUBLICATION
December 15, 2016	US,20160362556,A1   US20160362556A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9845391

Surface treatment of particles and their use

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