Hydraulic barrier composition and method of making the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 24, 2017
Grant Date -
Aug 1, 2013
app pub date -
Jan 28, 2013
filing date -
Jan 27, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A hydraulic barrier composition can include granules of a water-swellable clay and a water-soluble polymer. Upon contact with a leachate at least portion of the polymer is solvated by the leachate and becomes entrapped in at least one of clay pores, at clay platelet edges, and between adjacent platelets.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
AMCOL INTERNATIONAL CORPORATION | 1500 WEST SHURE DRIVE ARLINGTON HEIGHTS IL 60004 |
International Classification(s)

- 2013 Application Filing Year
- B01J Class
- 2563 Applications Filed
- 2267 Patents Issued To-Date
- 88.46 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Athanassopoulos, Christos | Volo, US | 2 | 11 |
# of filed Patents : 2 Total Citations : 11 | |||
Donovan, Michael | Huntley, US | 49 | 640 |
# of filed Patents : 49 Total Citations : 640 |
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Patent Citation Ranking
- 7 Citation Count
- B01J Class
- 27.48 % this patent is cited more than
- 8 Age
Forward Cite Landscape
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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 | Jul 24, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
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Legal Events
Date | Code | Event | Description |
---|---|---|---|
Aug 27, 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 |
Feb 27, 2018 | I | Issuance | |
Feb 07, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Mar 10, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KAMEN, DEAN;GRAY, LARRY B.;SIGNING DATES FROM 20170316 TO 20170906;REEL/FRAME:043913/0126 Owner name: DEKA PRODUCTS LIMITED PARTNERSHIP, NEW HAMPSHIRE free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BEAVIS, RUSSELL H.;REEL/FRAME:043912/0994 Owner name: DEKA PRODUCTS LIMITED PARTNERSHIP, NEW HAMPSHIRE Effective Date: Mar 10, 2017 |
Mar 02, 2017 | P | Published | |
Nov 14, 2016 | F | Filing | |
Dec 02, 2005 | PD | Priority Date |

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