Honeycomb filter for clarifying exhaust gas and method for manufacture thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 23, 2009
Grant Date -
Jul 19, 2007
app pub date -
Aug 20, 2004
filing date -
Aug 22, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
, wherein 0≦y≦1; and a component selected from an oxide having a spinel structure composed of Mg and/or MgO, MgO and a precursor compound composed of Mg that is converted to MgO by firing, wherein the honeycomb filter exhibits excellent properties with respect to mechanical strength, thermal decomposition resistance, thermal shock resistance and thermal stability at high and fluctuating temperatures. Also provided is a method and an apparatus for cleaning an exhaust gas by removing solid particles predominantly containing carbon from the exhaust gas with the honeycomb filter. Also provided is a process for producing the honeycomb filter.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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OHCERA CO LTD | OSAKA-SHI OSAKA 540-0026 |
International Classification(s)

- 2004 Application Filing Year
- F01N Class
- 516 Applications Filed
- 280 Patents Issued To-Date
- 54.27 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Fukuda, Masaaki | Kakogawa, JP | 59 | 538 |
# of filed Patents : 59 Total Citations : 538 | |||
Fukuda, Masahiro | Uji, JP | 166 | 1380 |
# of filed Patents : 166 Total Citations : 1380 | |||
Fukuda, Tsutomu | Kakogawa, JP | 33 | 379 |
# of filed Patents : 33 Total Citations : 379 | |||
Takahashi, Masahide | Uji, JP | 34 | 226 |
# of filed Patents : 34 Total Citations : 226 | |||
Yoko, Toshinobu | Uji, JP | 17 | 142 |
# of filed Patents : 17 Total Citations : 142 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 10 Citation Count
- F01N Class
- 2.53 % this patent is cited more than
- 16 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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

Legal Events
Date | Code | Event | Description |
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Dec 30, 2019 | 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 |
Dec 30, 2019 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Nov 24, 2019 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Nov 24, 2019 |
Jul 15, 2019 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Nov 24, 2015 | I | Issuance | |
Nov 04, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Mar 19, 2009 | P | Published | |
Jun 03, 2008 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CALVO SALVE, PILAR;TOBIO BARREIRA, MARIA;REEL/FRAME:021044/0747 Owner name: PHARMA MAR, S.A., SPAIN Effective Date: Jun 03, 2008 |
Oct 30, 2006 | F | Filing | |
Oct 31, 2005 | PD | Priority Date |

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