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Patent 287774 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 287774
(21) Application Number: 287774
(54) English Title: CELLULOSIC MATERIAL PROCESSING
(54) French Title: TRAITEMENT DE MATIERES CELLULOSIQUES
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC):
  • A23L 29/262 (2016.01)
  • A61L 27/20 (2006.01)
  • B01D 3/06 (2006.01)
  • B01D 15/02 (2006.01)
  • B01D 53/00 (2006.01)
  • B01D 61/44 (2006.01)
  • B01J 19/00 (2006.01)
  • B03C 5/02 (2006.01)
  • B65G 27/00 (2006.01)
  • B65G 53/00 (2006.01)
  • C07C 4/00 (2006.01)
  • C07C 29/149 (2006.01)
  • C07C 31/12 (2006.01)
  • C08B 1/00 (2006.01)
  • C08B 15/00 (2006.01)
  • C08J 3/28 (2006.01)
  • C08J 11/04 (2006.01)
  • C08L 1/02 (2006.01)
  • C08L 97/02 (2006.01)
  • C09K 21/00 (2006.01)
  • C10B 3/00 (2006.01)
  • C10G 1/00 (2006.01)
  • C10G 3/00 (2006.01)
  • C10G 5/00 (2006.01)
  • C10G 9/24 (2006.01)
  • C10G 11/00 (2006.01)
  • C10G 15/00 (2006.01)
  • C10G 31/06 (2006.01)
  • C10G 32/00 (2006.01)
  • C10G 47/00 (2006.01)
  • C10G 51/00 (2006.01)
  • C10G 55/00 (2006.01)
  • C10G 57/00 (2006.01)
  • C10G 67/00 (2006.01)
  • C10L 1/02 (2006.01)
  • C10L 9/00 (2006.01)
  • C12M 1/00 (2006.01)
  • C12P 7/00 (2006.01)
  • C12P 19/00 (2006.01)
  • C13K 1/00 (2006.01)
  • C13K 13/00 (2006.01)
  • D06M 10/00 (2006.01)
  • D06M 11/00 (2006.01)
  • D06M 13/00 (2006.01)
  • D06M 14/22 (2006.01)
  • D06M 15/00 (2006.01)
  • D21B 1/02 (2006.01)
  • D21C 9/00 (2006.01)
  • D21H 11/18 (2006.01)
  • E04B 1/92 (2006.01)
  • G01T 7/08 (2006.01)
  • G21F 7/00 (2006.01)
  • G21K 5/10 (2006.01)
  • H01J 37/317 (2006.01)
  • H01L 21/283 (2006.01)
  • H05H 1/00 (2006.01)
  • H05K 1/03 (2006.01)
  • H05K 3/38 (2006.01)
(72) Inventors :
  • GEORGE SCHNEIDER,
(73) Owners :
  • CAMILLE DREYFUS
(71) Applicants :
  • CAMILLE DREYFUS
(74) Agent:
(74) Associate agent:
(45) Issued: 1929-03-05
(22) Filed Date:
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

Sorry, the abstracts for patent document number 287774 were not found.

Claims

Note: Claims are shown in the official language in which they were submitted.

Sorry, the claims for patent document number 287774 were not found.
Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Description

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Sorry, the description for patent document number 287774 was not found. Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Representative Drawing

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Administrative Status

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.

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Event History

Description Date
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Inactive: Expired (old Act Patent) latest possible expiry date 1946-03-05
Grant by Issuance 1929-03-05

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
CAMILLE DREYFUS
Past Owners on Record
GEORGE SCHNEIDER
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
Documents

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Document
Description 		 Date
(yyyy-mm-dd) 		 Number of pages   Size of Image (KB) 
Claims 1995-10-23 3 128
Drawings 1995-10-23 1 9
Descriptions 1995-10-23 6 314