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Any discrepancies in the text and image of the Claims and Abstract are due to differing posting times. Text of the Claims and Abstract are posted:
(12) Patent: | (11) CA 2886190 |
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(54) English Title: | METHOD FOR COATING EXPANDABLE POLYSTYRENE BEADS |
(54) French Title: | METHODE DE REVETEMENT DE BILLES DE POLYSTYRENE EXPANSIBLE |
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: | ROBIC AGENCE PI S.E.C./ROBIC IP AGENCY LP |
(74) Associate agent: | |
(45) Issued: | 2018-11-27 |
(22) Filed Date: | 2015-03-25 |
(41) Open to Public Inspection: | 2016-09-25 |
Examination requested: | 2016-11-21 |
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: | None |
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A method for coating expandable polystyrene beads for use in a concrete mixture, the method comprising the steps of: providing a plurality of expandable polystyrene beads, placing the expandable polystyrene beads in a mixer, wetting the expandable polystyrene beads with a liquid, adding a setting retardant in the mixer, adding a biocide preservative in the mixer, adding dried animal blood cells in the mixer, adding gelatin glue in the mixer, adding calcium carbonate to the mixer, activating the mixer for a predetermined period of time and removing the expandable polystyrene beads from the mixer to use in the concrete mixture.
Une méthode de revêtement de billes de polystyrène expansible à utiliser dans un mélange de béton, la méthode comprenant les étapes consistant à : fournir une pluralité de billes de polystyrène expansible, placer les billes de polystyrène expansible dans un mélangeur, mouiller les billes de polystyrène expansible avec un liquide, ajouter un retardateur de prise dans le mélangeur, ajouter un conservateur biocide dans le mélangeur, ajouter des cellules sanguines animales séchées dans le mélangeur, ajouter de la colle gélatine dans le mélangeur, ajouter du carbonate de calcium dans le mélangeur, activer le mélangeur pendant une période prédéterminée et retirer les billes de polystyrène expansible du mélangeur pour les utiliser dans le mélange de béton.
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 2886190 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.
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Description | Date |
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Inactive: Late MF processed | 2024-04-24 |
Maintenance Fee Payment Determined Compliant | 2024-04-24 |
Common Representative Appointed | 2019-10-30 |
Common Representative Appointed | 2019-10-30 |
Change of Address or Method of Correspondence Request Received | 2018-12-04 |
Grant by Issuance | 2018-11-27 |
Inactive: Cover page published | 2018-11-26 |
Pre-grant | 2018-10-10 |
Inactive: Final fee received | 2018-10-10 |
Notice of Allowance is Issued | 2018-09-14 |
Letter Sent | 2018-09-14 |
Notice of Allowance is Issued | 2018-09-14 |
Inactive: QS passed | 2018-09-11 |
Inactive: Approved for allowance (AFA) | 2018-09-11 |
Amendment Received - Voluntary Amendment | 2018-07-18 |
Inactive: S.30(2) Rules - Examiner requisition | 2018-01-22 |
Inactive: Report - No QC | 2018-01-17 |
Letter Sent | 2016-11-25 |
Request for Examination Requirements Determined Compliant | 2016-11-21 |
All Requirements for Examination Determined Compliant | 2016-11-21 |
Request for Examination Received | 2016-11-21 |
Application Published (Open to Public Inspection) | 2016-09-25 |
Inactive: Cover page published | 2016-09-25 |
Inactive: IPC assigned | 2015-05-07 |
Inactive: First IPC assigned | 2015-05-07 |
Inactive: IPC assigned | 2015-05-07 |
Inactive: IPC assigned | 2015-05-07 |
Correct Applicant Requirements Determined Compliant | 2015-04-17 |
Inactive: Filing certificate - No RFE (bilingual) | 2015-04-17 |
Inactive: Filing certificate correction | 2015-04-13 |
Inactive: Applicant deleted | 2015-04-02 |
Inactive: Filing certificate - No RFE (bilingual) | 2015-04-02 |
Application Received - Regular National | 2015-04-01 |
Inactive: QC images - Scanning | 2015-03-25 |
Small Entity Declaration Determined Compliant | 2015-03-25 |
Inactive: Pre-classification | 2015-03-25 |
There is no abandonment history.
The last payment was received on 2018-03-23
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 - small | 2015-03-25 | ||
Request for examination - small | 2016-11-21 | ||
MF (application, 2nd anniv.) - small | 02 | 2017-03-27 | 2017-02-21 |
MF (application, 3rd anniv.) - small | 03 | 2018-03-26 | 2018-03-23 |
Final fee - small | 2018-10-10 | ||
MF (patent, 4th anniv.) - small | 2019-03-25 | 2019-03-25 | |
MF (patent, 5th anniv.) - small | 2020-03-25 | 2020-01-15 | |
MF (patent, 6th anniv.) - small | 2021-03-25 | 2021-03-22 | |
MF (patent, 7th anniv.) - small | 2022-03-25 | 2022-03-11 | |
MF (patent, 8th anniv.) - small | 2023-03-27 | 2023-03-22 | |
Late fee (ss. 46(2) of the Act) | 2024-04-24 | 2024-04-24 | |
MF (patent, 9th anniv.) - small | 2024-03-25 | 2024-04-24 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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3781879 CANADA INC. |
Past Owners on Record |
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ANDRE LAUZON |