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

Patent Owner(s)

Patent Owner	Address
UNIT PROCESS TECHNOLOGIES LLC	1708 NW 24TH STREET GAINESVILLE FL 32605

International Classification(s)

• C01D:COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, ....

• 2007 Application Filing Year
• C01D Class
• 42 Applications Filed
• 22 Patents Issued To-Date
• 52.39 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Sansalone, John J	Gainesville, US	12	149
# of filed Patents : 12 Total Citations : 149

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Patent Citation Ranking

• 2 Citation Count
• C01D Class

• 25 % this patent is cited more than
• 16 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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 28, 2009	US,7524422,B2   US7524422B2	GRANTED PATENT AS SECOND PUBLICATION
January 31, 2008	US,20080023383,A1   US20080023383A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7524422

Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

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Abstract

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A sorptive-filtration system for removing at least one of negatively or positively charged ions, complexes or particulates from an aqueous stream. The system includes a) flow formed substantially from at least one of rainfall-runoff or snowmelt-runoff; b) a filter containment communicating with the runoff stream such that at least part of the stream passes through the filter containment; and c) a granular filter media disposed within the filter containment, the filter media having an amphoteric material applied thereto, wherein the amphoteric material comprises a metal selected from at least one of Fe, Al, Mn, or Si.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2021
• STCH2021
• FP2021
• FEPP2020
• SULP2017
• FPAY2017
• REMI2016
• FEPP2016
• FPAY2012
• I2009
• STCF2009
• P2008
• AS2007
• F2007
• PD2000

Date	Code	Event	Description
May 31, 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: SMALL ENTITY
May 31, 2021	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Apr 28, 2021	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Apr 28, 2021
Dec 14, 2020	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Apr 26, 2017	SULP	SURCHARGE FOR LATE PAYMENT	year of fee payment: 7
Apr 26, 2017	FPAY	FEE PAYMENT	year of fee payment: 8
Dec 09, 2016	REMI	MAINTENANCE FEE REMINDER MAILED
Dec 04, 2016	FEPP	FEE PAYMENT PROCEDURE	free format text: PAT HOLDER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: LTOS); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Oct 12, 2012	FPAY	FEE PAYMENT	year of fee payment: 4
Apr 28, 2009	I	Issuance
Apr 08, 2009	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jan 31, 2008	P	Published
Sep 17, 2007	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SANSALONE, JOHN J.;REEL/FRAME:019910/0929 Owner name: UNIT PROCESS TECHNOLOGIES, LLC, FLORIDA Effective Date: Sep 17, 2007
Aug 22, 2007	F	Filing
Nov 16, 2000	PD	Priority Date