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(12) Patent: | (11) CA 2655900 |
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(54) English Title: | PROCESS FOR THE PREPARATION OF A GRANULATE FOR THE TREATMENT OF SNOW- AND ICE-COVERED SURFACES |
(54) French Title: | PROCEDE DE PREPARATION D'UN GRANULAT POUR LE TRAITEMENT DE SURFACES ENNEIGEES ET/OU VERGLACEES |
Status: | Granted |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | ZSIGMOND, OTTO |
(74) Associate agent: | |
(45) Issued: | 2012-04-10 |
(22) Filed Date: | 2009-03-03 |
(41) Open to Public Inspection: | 2009-09-23 |
Examination requested: | 2010-06-16 |
Availability of licence: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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The invention relates to processes for preparing a granulate for the treatment of snowy and/or icy surfaces that includes the following steps: wood particles comprising at least one water soluble salt of alkaline metal or alkaline earth (1-10 wt.%), where the soluble salt is chloride, nitride, sulfate or acetate of an alkaline metal or alkaline earth soaking the granulate in brine, drying the granulate. The invention also relates to processes for preparing a granulate for the treatment of snowy and/or icy surfaces that includes the following steps: wood particles comprising at least one water soluble salt of alkaline metal or alkaline earth (1-10 wt.%), where the soluble salt is chloride, nitride, sulfate or acetate of an alkaline metal or alkaline earth.
La présente invention est relative a procédés de préparation
d'un granulat pour le traitement de surfaces enneigées et/ou
verglacées comprenant les étapes suivantes mise à disposition
un granulat consistant en particules de bois, préparation
d'une saumure contenant au moins un sel soluble dans l'eau
d'un métal alcalin ou alcalino-terreux dont le sel soluble
est un chlorure, nitrure, sulfate ou acétate d'un métal
alcalin ou alcalino-terreux, imprégnation du granulat avec de
la saumure, et séchage du granulat. La présente invention est
aussi relative a granulat pour le traitement de surfaces
enneigées et/ou verglacées obtenu par ces procédés consistant
en particules de bois comprenant 1 à 10% (masse) d'au moins
un sel soluble dans l'eau d'un métal alcalin ou alcalinoterreux
où le sel soluble est un chlorure, nitrure, sulfate
ou acétate d'un métal alcalin ou alcalino-terreux.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
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Title | Date |
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Forecasted Issue Date | 2012-04-10 |
(22) Filed | 2009-03-03 |
(41) Open to Public Inspection | 2009-09-23 |
Examination Requested | 2010-06-16 |
(45) Issued | 2012-04-10 |
There is no abandonment history.
Last Payment of $624.00 was received on 2024-02-20
Upcoming maintenance fee amounts
Description | Date | Amount |
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Next Payment if standard fee | 2025-03-03 | $624.00 |
Next Payment if small entity fee | 2025-03-03 | $253.00 |
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
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web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Amount Paid | Paid Date |
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Application Fee | $400.00 | 2009-03-03 | ||
Request for Examination | $800.00 | 2010-06-16 | ||
Maintenance Fee - Application - New Act | 2 | 2011-03-03 | $100.00 | 2011-02-08 |
Final Fee | $300.00 | 2012-01-24 | ||
Maintenance Fee - Application - New Act | 3 | 2012-03-05 | $100.00 | 2012-01-24 |
Maintenance Fee - Patent - New Act | 4 | 2013-03-04 | $100.00 | 2013-02-13 |
Maintenance Fee - Patent - New Act | 5 | 2014-03-03 | $200.00 | 2014-02-26 |
Maintenance Fee - Patent - New Act | 6 | 2015-03-03 | $200.00 | 2015-02-23 |
Maintenance Fee - Patent - New Act | 7 | 2016-03-03 | $200.00 | 2016-03-01 |
Maintenance Fee - Patent - New Act | 8 | 2017-03-03 | $200.00 | 2017-02-27 |
Maintenance Fee - Patent - New Act | 9 | 2018-03-05 | $200.00 | 2018-02-27 |
Maintenance Fee - Patent - New Act | 10 | 2019-03-04 | $250.00 | 2019-02-18 |
Maintenance Fee - Patent - New Act | 11 | 2020-03-03 | $250.00 | 2020-02-24 |
Maintenance Fee - Patent - New Act | 12 | 2021-03-03 | $255.00 | 2021-02-22 |
Maintenance Fee - Patent - New Act | 13 | 2022-03-03 | $254.49 | 2022-02-21 |
Maintenance Fee - Patent - New Act | 14 | 2023-03-03 | $263.14 | 2023-02-21 |
Maintenance Fee - Patent - New Act | 15 | 2024-03-04 | $624.00 | 2024-02-20 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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VILLE DE LA CHAUX-DE-FONDS |
Past Owners on Record |
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MUCARIA, JOSEPH |
TURTSCHY, JEAN-CLAUDE |