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

Patent Owner(s)

Patent Owner	Address
ZHANG ZHIGAO	SHENZHEN

International Classification(s)

• 1605:ACCESSORIES

• 2021 Application Filing Year
• 1605 Class
• 169 Applications Filed
• 169 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Zhang, Zhigao	Shenzhen, CN	11	13
# of filed Patents : 11 Total Citations : 13

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Patent Citation Ranking

• 0 Citation Count
• 1605 Class

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

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Feb 15, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 15, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 15, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent No: 9771477

Polycarbonate resin composition, method for producing same and molded article of this resin composition

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Abstract

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To provide a polycarbonate resin composition excellent in the surface hardness, the heat resistance, the moldability and the flame retardancy.

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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
• AS2023
• MAFP2021
• I2017
• STCF2017
• AS2017
• P2016
• F2016
• PD2010

Date	Code	Event	Description
Dec 23, 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
Nov 24, 2023	AS	ASSIGNMENT	free format text: CONFIRMATORY ASSIGNMENT;ASSIGNOR:MITSUBISHI ENGINEERING-PLASTICS CORPORATION;REEL/FRAME:065775/0613 Owner name: MITSUBISHI CHEMICAL CORPORATION, JAPAN Effective Date: Nov 24, 2023
Mar 10, 2021	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
Sep 26, 2017	I	Issuance
Sep 06, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Apr 03, 2017	AS	ASSIGNMENT	free format text: MERGER AND CHANGE OF NAME;ASSIGNORS:MITSUBISHI CHEMICAL CORPORATION;MITSUBISHI RAYON CO., LTD.;REEL/FRAME:042487/0560 Owner name: MITSUBISHI CHEMICAL CORPORATION, JAPAN Effective Date: Apr 03, 2017
Aug 18, 2016	P	Published
Apr 28, 2016	F	Filing
Mar 31, 2010	PD	Priority Date