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

Patent Owner(s)

Patent Owner	Address
SEKISUI CHEMICAL CO LTD	OSAKA JAPAN OSAKA
NIIGATA UNIVERSITY	NIIGATA-SHI NIIGATA 950-2181

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Tsubokawa, Norio	Niigata, JP	6	35
# of filed Patents : 6 Total Citations : 35
Wada, Takuya	Osaka, JP	49	292
# of filed Patents : 49 Total Citations : 292

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• 0 Citation Count
• C01B Class

• 0 % this patent is cited more than
• 8 Age

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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	Dec 27, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 27, 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
June 27, 2017	US,9688594,B2   US9688594B2	GRANTED PATENT AS SECOND PUBLICATION
March 19, 2015	US,20150080513,A1   US20150080513A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9688594

Method for producing modified-graphene-like carbon material, modified-graphene-like carbon material, and resin composite material containing modified-graphene-like carbon material

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Abstract

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Providing a modified-graphene-like carbon material into which hydroxyl groups are introduced. By reacting a graphene-like carbon material with hydrogen peroxide, a hydroxyl group is introduced into the graphene-like carbon material.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2015
• AS2014
• F2013
• PD2012

Date	Code	Event	Description
Dec 11, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Sep 04, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Jun 27, 2017	I	Issuance
Jun 07, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 19, 2015	P	Published
Sep 22, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WADA, TAKUYA;TSUBOKAWA, NORIO;SIGNING DATES FROM 20140409 TO 20140417;REEL/FRAME:033787/0391 Owner name: SEKISUI CHEMICAL CO., LTD., JAPAN free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WADA, TAKUYA;TSUBOKAWA, NORIO;SIGNING DATES FROM 20140409 TO 20140417;REEL/FRAME:033787/0391 Owner name: NIIGATA UNIVERSITY, JAPAN
May 14, 2013	F	Filing
May 14, 2012	PD	Priority Date