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(12) Patent: | (11) CA 2655900 |
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(54) English Title: | PROCEDE DE PREPARATION D'UN GRANULAT POUR LE TRAITEMENT DE SURFACES ENNEIGEES ET/OU VERGLACEES |
(54) French Title: | PROCESS FOR THE PREPARATION OF A GRANULATE FOR THE TREATMENT OF SNOW- AND ICE-COVERED SURFACES |
Status: | Granted and Issued |
(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: | OTTO ZSIGMONDZSIGMOND, 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 | Green Technology Granted: | 2011-06-15 |
Availability of licence: | N/A |
Dedicated to the Public: | 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.
Sorry, the representative drawing for patent document number 2655900 was not found.
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Description | Date |
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Common Representative Appointed | 2019-10-30 |
Common Representative Appointed | 2019-10-30 |
Grant by Issuance | 2012-04-10 |
Inactive: Cover page published | 2012-04-09 |
Inactive: Final fee received | 2012-01-24 |
Pre-grant | 2012-01-24 |
Notice of Allowance is Issued | 2011-10-31 |
Letter Sent | 2011-10-31 |
Notice of Allowance is Issued | 2011-10-31 |
Inactive: Approved for allowance (AFA) | 2011-10-26 |
Amendment Received - Voluntary Amendment | 2011-09-27 |
Inactive: S.30(2) Rules - Examiner requisition | 2011-06-29 |
Letter sent | 2011-06-15 |
Advanced Examination Determined Compliant - Green | 2011-06-15 |
Inactive: Advanced examination (SO) | 2011-06-10 |
Letter Sent | 2010-06-30 |
Request for Examination Requirements Determined Compliant | 2010-06-16 |
All Requirements for Examination Determined Compliant | 2010-06-16 |
Request for Examination Received | 2010-06-16 |
Application Published (Open to Public Inspection) | 2009-09-23 |
Inactive: Cover page published | 2009-09-22 |
Inactive: First IPC assigned | 2009-09-01 |
Inactive: IPC assigned | 2009-09-01 |
Inactive: Office letter | 2009-08-04 |
Early Laid Open Requested | 2009-07-20 |
Inactive: Declaration of entitlement - Formalities | 2009-06-04 |
Reinstatement Requirements Deemed Compliant for All Abandonment Reasons | 2009-03-31 |
Inactive: Filing certificate - No RFE (French) | 2009-03-25 |
Application Received - Regular National | 2009-03-25 |
There is no abandonment history.
The last payment was received on 2012-01-24
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
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Application fee - standard | 2009-03-03 | ||
Request for examination - standard | 2010-06-16 | ||
MF (application, 2nd anniv.) - standard | 02 | 2011-03-03 | 2011-02-08 |
Final fee - standard | 2012-01-24 | ||
MF (application, 3rd anniv.) - standard | 03 | 2012-03-05 | 2012-01-24 |
MF (patent, 4th anniv.) - standard | 2013-03-04 | 2013-02-13 | |
MF (patent, 5th anniv.) - standard | 2014-03-03 | 2014-02-26 | |
MF (patent, 6th anniv.) - standard | 2015-03-03 | 2015-02-23 | |
MF (patent, 7th anniv.) - standard | 2016-03-03 | 2016-03-01 | |
MF (patent, 8th anniv.) - standard | 2017-03-03 | 2017-02-27 | |
MF (patent, 9th anniv.) - standard | 2018-03-05 | 2018-02-27 | |
MF (patent, 10th anniv.) - standard | 2019-03-04 | 2019-02-18 | |
MF (patent, 11th anniv.) - standard | 2020-03-03 | 2020-02-24 | |
MF (patent, 12th anniv.) - standard | 2021-03-03 | 2021-02-22 | |
MF (patent, 13th anniv.) - standard | 2022-03-03 | 2022-02-21 | |
MF (patent, 14th anniv.) - standard | 2023-03-03 | 2023-02-21 | |
MF (patent, 15th anniv.) - standard | 2024-03-04 | 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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JEAN-CLAUDE TURTSCHY |
JOSEPH MUCARIA |