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(12) Patent: | (11) CA 2056889 |
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(54) English Title: | A METHOD OF PROCESSING THE WASTEWATER-SOLIDS MIXTURE THAT RESULTS FROM THE PRODUCTION OF PAPER AND THE USE OF THIS SOLIDS MIXTURE |
(54) French Title: | METHODE POUR TRAITER LE MELANGE EAUX USEES-SOLIDES RESULTANT DE LA PRODUCTION DE PAPIER ET UTILISATION DE CE MELANGE DE SOLIDES |
Status: | Deemed expired |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : | |
(74) Agent: | FETHERSTONHAUGH & CO. |
(74) Associate agent: | |
(45) Issued: | 2001-03-20 |
(22) Filed Date: | 1991-12-03 |
(41) Open to Public Inspection: | 1992-06-21 |
Examination requested: | 1996-05-06 |
Availability of licence: | 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 present invention relates to a method of processing and re-
using the mixture of waste water and solids that is generated
during the processing of old paper, the sludge-like mixture of
water and solids being intensively mixed and then coarse, fine,
or very finely-ground, and it can then serve as the basic
material for the production, for example, of paint, glue, putty,
or mortar.
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 2056889 was not found.
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 , Administrative Status , Maintenance Fee and Payment History should be consulted.
Title | Date |
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Forecasted Issue Date | 2001-03-20 |
(22) Filed | 1991-12-03 |
(41) Open to Public Inspection | 1992-06-21 |
Examination Requested | 1996-05-06 |
(45) Issued | 2001-03-20 |
Deemed Expired | 2004-12-03 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Amount Paid | Paid Date |
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Application Fee | $0.00 | 1991-12-03 | ||
Maintenance Fee - Application - New Act | 2 | 1993-12-03 | $50.00 | 1993-11-30 |
Maintenance Fee - Application - New Act | 3 | 1994-12-05 | $50.00 | 1994-11-10 |
Maintenance Fee - Application - New Act | 4 | 1995-12-04 | $50.00 | 1995-11-24 |
Request for Examination | $200.00 | 1996-05-06 | ||
Maintenance Fee - Application - New Act | 5 | 1996-12-03 | $75.00 | 1996-11-21 |
Maintenance Fee - Application - New Act | 6 | 1997-12-03 | $75.00 | 1997-11-06 |
Maintenance Fee - Application - New Act | 7 | 1998-12-03 | $150.00 | 1998-11-12 |
Maintenance Fee - Application - New Act | 8 | 1999-12-03 | $75.00 | 1999-11-08 |
Maintenance Fee - Application - New Act | 9 | 2000-12-04 | $75.00 | 2000-11-16 |
Final Fee | $150.00 | 2000-12-13 | ||
Maintenance Fee - Patent - New Act | 10 | 2001-12-03 | $100.00 | 2001-10-29 |
Maintenance Fee - Patent - New Act | 11 | 2002-12-03 | $200.00 | 2002-10-25 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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WOLTERS, PETER |
WOLTERS, GERRIT JAN |
WOLTERS, JAN |
Past Owners on Record |
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None |