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

Patent Owner(s)

Patent Owner	Address
CHERVON (HK) LIMITED	138 GLOUCESTER ROAD ROOM 803B 8/F ALLIED KAJIMA BUILDING WANCHAI

International Classification(s)

• 0804:SCREWDRIVERS AND OTHER SIMILAR TOOLS AND IMPLEMENT....

• 2014 Application Filing Year
• 0804 Class
• 15 Applications Filed
• 15 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Zhang, Xiaofeng	Nanjing, CN	136	883
# of filed Patents : 136 Total Citations : 883

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Patent Citation Ranking

• 19 Citation Count
• 0804 Class

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

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 11, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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: 9617685

Process for making paper and nonwoven articles comprising synthetic microfiber binders

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Abstract

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A process of making a paper or nonwoven article is provide. The process comprising:

a) providing a fiber furnish comprising a plurality of fibers and a plurality of binder microfibers, wherein the binder microfibers comprise a water non-dispersible, synthetic polymer; wherein the binder microfibers have a length of less than 25 millimeters and a fineness of less than 0.5 d/f; and wherein the binder microfibers have a melting temperature that is less than the melting temperature of the fibers;b) routing the fiber furnish to a wet-laid nonwoven process to produce at least one wet-laid nonwoven web layer;c) removing water from the wet-laid nonwoven web layer; andd) thermally bonding the wet-laid nonwoven web layer after step (c); wherein the thermal bonding is conducted at a temperature such that the surfaces of the binder microfibers at least partially melt without causing the fibers to melt thereby bonding the binder microfibers to the fibers to produce the paper or nonwoven article.

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Description

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Claims

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Legal Events

 

• STCH2021
• LAPS2021
• FP2021
• FEPP2020
• I2017
• STCF2017
• FEPP2016
• P2014
• AS2014
• F2014

Date	Code	Event	Description
May 17, 2021	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
May 17, 2021	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Apr 11, 2021	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Apr 11, 2021
Nov 30, 2020	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Apr 11, 2017	I	Issuance
Mar 22, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 02, 2016	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 23, 2014	P	Published
May 05, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CLARK, MARK DWIGHT;DEMA, KEH;SMITH, ERNEST PHILLIP;AND OTHERS;SIGNING DATES FROM 20140421 TO 20140429;REEL/FRAME:032820/0351 Owner name: EASTMAN CHEMICAL COMPANY, TENNESSEE
Apr 10, 2014	F	Filing