Wet type method of rendering dioxins innoxious
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 27, 2001
Grant Date -
N/A
app pub date -
Jun 20, 2000
filing date -
Dec 25, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for the wet processing of a dioxin-containing material, wherein the material is contacted with an aqueous solution, acidified with hydrochloric acid and containing a catalyst dissolved therein, at a temperature lower than 100.degree. C. to decompose the dioxins into harmless substances with a decomposition rate of at least 60%.
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 | |
---|---|---|
CHIYODA CORPORATION | KANAGAWA 220-8765 |
International Classification(s)

- 2000 Application Filing Year
- A62D Class
- 91 Applications Filed
- 25 Patents Issued To-Date
- 27.48 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Asaoka, Sachio | Yokohama, JP | 41 | 558 |
# of filed Patents : 41 Total Citations : 558 | |||
Iwasaki, Mamoru | Yokohama, JP | 7 | 8 |
# of filed Patents : 7 Total Citations : 8 | |||
Kanai, Ryuichi | Kawasaki, JP | 6 | 53 |
# of filed Patents : 6 Total Citations : 53 | |||
Kawamura, Kazushige | Yokohama, JP | 30 | 322 |
# of filed Patents : 30 Total Citations : 322 | |||
Sugiyama, Hideki | Yokohama, JP | 41 | 390 |
# of filed Patents : 41 Total Citations : 390 | |||
Takeda, Dai | Yokohama, JP | 14 | 92 |
# of filed Patents : 14 Total Citations : 92 | |||
Togari, Osamu | Tokyo, JP | 5 | 143 |
# of filed Patents : 5 Total Citations : 143 | |||
Uchida, Minoru | Tokyo, JP | 61 | 507 |
# of filed Patents : 61 Total Citations : 507 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- A62D Class
- 0 % this patent is cited more than
- 24 Age
Forward Cite Landscape
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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 |
---|---|---|---|
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 |
---|---|---|---|
Dec 28, 2009 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Nov 27, 2009 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Nov 27, 2009 |
Nov 27, 2009 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Jun 08, 2009 | REMI | MAINTENANCE FEE REMINDER MAILED | |
May 05, 2005 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Nov 27, 2001 | I | Issuance | |
Jun 20, 2000 | F | Filing | |
Jun 15, 2000 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:IWASAKI, MAMORU;KANAI, RYUICHI;KAWAMURA, KAZUSHIGE;AND OTHERS;REEL/FRAME:010930/0311 Owner name: CHIYODA CORPORATION, JAPAN Effective Date: Jun 15, 2000 |
Dec 25, 1997 | PD | Priority Date |

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