Steam plasma arc hydrolysis of ozone depleting substances
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 29, 2016
Issued Date -
N/A
app pub date -
Feb 23, 2015
filing date -
Mar 18, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A two step process for the destruction of a precursor material using a steam plasma in a three zone reactor wherein the precursor material is hydrolyzed as a first step in the high temperature zone of the reactor, followed by a second step of medium temperature oxidation of the reactant stream in the combustion zone of the reactor where combustion oxygen or air is injected and immediate quenching of the resulting gas stream to avoid the formation of unwanted by-products. A related apparatus includes a non transferred direct current steam plasma torch, an externally cooled three zone steam plasma reactor means for introducing the precursor material into the plasma plume of the plasma torch, means for introducing the combustion air or oxygen into the combustion zone, means for exiting the reactant mixture from the reactor and means for quenching the reactant mixture located at the exit end of the reactor.
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 | |
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PYROGENESIS CANADA INC | MONTRÉAL QC H3J 1R4 |
International Classification(s)

- 2015 Application Filing Year
- F23G Class
- 100 Applications Filed
- 75 Patents Issued To-Date
- 75 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Carabin, Pierre | Montreal, CA | 46 | 81 |
# of filed Patents : 46 Total Citations : 81 | |||
Rao, Lakshminarayana | Bangalore, IN | 8 | 9 |
# of filed Patents : 8 Total Citations : 9 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- F23G Class
- 0 % this patent is cited more than
- 9 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 29, 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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jan 17, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jan 17, 2022 | 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 12, 2021 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Dec 12, 2021 |
Aug 02, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Dec 12, 2017 | I | Issuance | |
Dec 12, 2017 | PD | Priority Date | |
Nov 21, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 29, 2016 | P | Published | |
Jul 11, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DESAI, RANJIT C.;BAHEKAR, RAJESH;PATEL, DIPAM;AND OTHERS;REEL/FRAME:039188/0636 Owner name: CADILA HEALTHCARE LIMITED, INDIA Effective Date: Jul 11, 2016 |
Feb 02, 2015 | F | Filing |

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