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(12) Patent: | (11) CA 2640857 |
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(54) English Title: | METHODS AND COMPOSITIONS FOR COATING SULFUR BLOCKS |
(54) French Title: | PROCEDES ET COMPOSITIONS DE REVETEMENT DE BLOCS DE SOUFRE |
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: | GOWLING WLG (CANADA) LLP |
(74) Associate agent: | |
(45) Issued: | 2014-02-04 |
(22) Filed Date: | 2008-10-09 |
(41) Open to Public Inspection: | 2009-04-10 |
Examination requested: | 2013-02-07 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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The invention relates to methods and compositions for coating blocks of elemental sulfur for storage. The method of coating a sulfur block against atmospheric exposure comprises the steps of: a) preparing a coating composition comprising an effective blend of silicone and aqueous sodium silicate; b) applying the coating composition to the elemental sulfur to create a continuous barrier between the elemental sulfur and the atmosphere; and c) allowing the coating composition to cure. The composition for sealing elemental sulfur against atmospheric exposure comprises an effective blend of silicone and aqueous sodium silicate.
L'invention a trait à des procédés et des compositions pour revêtir des blocs de soufre élémentaire pour le stockage. Le procédé de revêtement d'un bloc de soufre contre l'exposition atmosphérique comprend les étapes suivantes : a) préparation d'une composition de revêtement comprenant un mélange efficace de silicone et de silicate de sodium aqueux; b) l'application de la composition de revêtement sur le soufre élémentaire pour créer une barrière continue entre ce dernier et l'atmosphère; et c) la polymérisation de la composition. La composition pour sceller le soufre élémentaire contre l'exposition atmosphérique comprend un mélange efficace de silicone et de silicate de sodium aqueux.
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 2640857 was not found.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Event History , Maintenance Fee and Payment History should be consulted.
Description | Date |
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Maintenance Fee Payment Determined Compliant | 2024-08-02 |
Maintenance Request Received | 2024-08-02 |
Inactive: Office letter | 2023-01-09 |
Inactive: Recording certificate (Transfer) | 2023-01-09 |
Revocation of Agent Request | 2022-12-06 |
Appointment of Agent Request | 2022-12-06 |
Revocation of Agent Requirements Determined Compliant | 2022-12-06 |
Inactive: Single transfer | 2022-12-06 |
Appointment of Agent Requirements Determined Compliant | 2022-12-06 |
Revocation of Agent Requirements Determined Compliant | 2022-12-06 |
Appointment of Agent Requirements Determined Compliant | 2022-12-06 |
Common Representative Appointed | 2019-10-30 |
Common Representative Appointed | 2019-10-30 |
Revocation of Agent Requirements Determined Compliant | 2018-05-17 |
Appointment of Agent Requirements Determined Compliant | 2018-05-17 |
Revocation of Agent Request | 2018-05-02 |
Appointment of Agent Request | 2018-05-02 |
Maintenance Request Received | 2015-09-25 |
Maintenance Request Received | 2014-09-04 |
Grant by Issuance | 2014-02-04 |
Inactive: Cover page published | 2014-02-03 |
Inactive: Office letter | 2013-11-26 |
Inactive: Delete abandonment | 2013-11-26 |
Inactive: Final fee received | 2013-11-15 |
Pre-grant | 2013-11-15 |
Inactive: Correspondence - MF | 2013-11-13 |
Maintenance Request Received | 2013-10-11 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 2013-10-09 |
Notice of Allowance is Issued | 2013-07-15 |
Letter Sent | 2013-07-15 |
Notice of Allowance is Issued | 2013-07-15 |
Inactive: Approved for allowance (AFA) | 2013-07-12 |
Amendment Received - Voluntary Amendment | 2013-06-21 |
Inactive: S.30(2) Rules - Examiner requisition | 2013-03-21 |
Letter Sent | 2013-02-20 |
Letter sent | 2013-02-20 |
Advanced Examination Determined Compliant - paragraph 84(1)(a) of the Patent Rules | 2013-02-20 |
Request for Examination Requirements Determined Compliant | 2013-02-07 |
Inactive: Advanced examination (SO) fee processed | 2013-02-07 |
All Requirements for Examination Determined Compliant | 2013-02-07 |
Inactive: Advanced examination (SO) | 2013-02-07 |
Request for Examination Received | 2013-02-07 |
Maintenance Request Received | 2012-10-05 |
Revocation of Agent Requirements Determined Compliant | 2012-08-14 |
Inactive: Office letter | 2012-08-14 |
Inactive: Office letter | 2012-08-14 |
Appointment of Agent Requirements Determined Compliant | 2012-08-14 |
Revocation of Agent Request | 2012-08-02 |
Appointment of Agent Request | 2012-08-02 |
Letter Sent | 2012-05-02 |
Inactive: Single transfer | 2012-04-10 |
Appointment of Agent Requirements Determined Compliant | 2011-01-17 |
Inactive: Office letter | 2011-01-17 |
Inactive: Office letter | 2011-01-17 |
Revocation of Agent Requirements Determined Compliant | 2011-01-17 |
Appointment of Agent Request | 2011-01-10 |
Revocation of Agent Request | 2011-01-10 |
Letter Sent | 2010-11-18 |
Reinstatement Requirements Deemed Compliant for All Abandonment Reasons | 2010-10-06 |
Reinstatement Requirements Deemed Compliant for All Abandonment Reasons | 2010-10-06 |
Inactive: Declaration of entitlement - Formalities | 2010-10-06 |
Inactive: Compliance - Formalities: Resp. Rec'd | 2010-10-06 |
Deemed Abandoned - Failure to Respond to Notice Requiring a Translation | 2010-09-13 |
Inactive: Incomplete | 2010-06-11 |
Application Published (Open to Public Inspection) | 2009-04-10 |
Inactive: Cover page published | 2009-04-09 |
Inactive: IPC assigned | 2009-03-12 |
Inactive: First IPC assigned | 2009-03-12 |
Inactive: IPC assigned | 2009-03-12 |
Reinstatement Requirements Deemed Compliant for All Abandonment Reasons | 2008-11-12 |
Inactive: Filing certificate - No RFE (English) | 2008-11-12 |
Application Received - Regular National | 2008-11-07 |
Abandonment Date | Reason | Reinstatement Date |
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2013-10-09 | ||
2010-09-13 |
The last payment was received on 2013-10-09
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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Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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SECURE ENERGY SERVICES INC. |
Past Owners on Record |
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ALEXANDER RADOK |
DONALD E. FRIESEN |