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

Patent Owner(s)

Patent Owner	Address
ENVIROTECH GREEN INC	330 BAY STREET SUITE 1500 TORONTO ONTARIO M5H 2S8

International Classification(s)

• C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....
• C10C:WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNE....

• 2012 Application Filing Year
• C10G Class
• 641 Applications Filed
• 587 Patents Issued To-Date
• 91.58 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Donchenko, Vadim	Moscow, RU	2	6
# of filed Patents : 2 Total Citations : 6
Myakotin, Igor	Moscow, RU	2	6
# of filed Patents : 2 Total Citations : 6
Rakhinskiy, Sergey	Thornhill, CA	4	6
# of filed Patents : 4 Total Citations : 6
Saidakovsky, Lazarus	Thornhill, CA	4	6
# of filed Patents : 4 Total Citations : 6

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Patent Citation Ranking

• 0 Citation Count
• C10G Class

• 0 % this patent is cited more than
• 11 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	Oct 1, 2025

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 01, 2014	US,8685211,B2   US8685211B2	GRANTED PATENT AS SECOND PUBLICATION
June 07, 2012	US,20120138421,A1   US20120138421A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9873640

Method for drying spent filter media

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Abstract

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Disclosed is a process of stabilizing spent filter material that comprises mixing the filter media with a dry media to produce a composition having a moisture content that is sufficiently low to retard microbial growth. The composition comprises spent filter media and a dry material, and preferably comprises diatomaceous earth. Soil is treated by adding the composition as a top dressing, soil amendment, or the like.

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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
• F2011

Date	Code	Event	Description
Nov 21, 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 19, 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
May 28, 2015	P	Published
Jun 02, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOUAZIZ, OLIVIER;BARBER, DAVID;JUNG, CORALIE;SIGNING DATES FROM 20140515 TO 20140519;REEL/FRAME:033009/0732 Owner name: ARCELORMITTAL INVESTIGACION Y DESARROLLO, S.L., SP
Sep 06, 2011	F	Filing