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Patent 619327 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 619327
(21) Application Number: 619327
(54) English Title: POLYMERIZATION OF UNSATURATED HYDROCARBONS
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC):
  • B01J 23/30 (2006.01)
  • B01J 27/08 (2006.01)
  • B01J 37/00 (2006.01)
  • B65G 65/00 (2006.01)
  • C01G 23/02 (2006.01)
  • C07C 2/40 (2006.01)
  • C07C 7/00 (2006.01)
  • C07C 9/22 (2006.01)
  • C07C 11/00 (2006.01)
  • C07C 409/38 (2006.01)
  • C07D 211/74 (2006.01)
  • C07F 5/00 (2006.01)
  • C07F 7/00 (2006.01)
  • C07F 17/00 (2006.01)
  • C07F 19/00 (2006.01)
  • C08C 19/00 (2006.01)
  • C08F 2/06 (2006.01)
  • C08F 4/00 (2006.01)
  • C08F 6/02 (2006.01)
  • C08F 10/00 (2006.01)
  • C08F 36/00 (2006.01)
  • C08F 110/02 (2006.01)
  • C08F 136/04 (2006.01)
  • C08F 210/16 (2006.01)
  • C08G 61/08 (2006.01)
  • C08K 5/16 (2006.01)
  • C09D 123/20 (2006.01)
  • C09K 15/18 (2006.01)
  • C10M 159/22 (2006.01)
  • D01D 1/06 (2006.01)
  • D01F 1/10 (2006.01)
  • D01F 6/04 (2006.01)
  • H01B 3/44 (2006.01)
  • H01B 7/00 (2006.01)
  • H01B 11/00 (2006.01)
  • H01J 13/10 (2006.01)
(72) Inventors :
  • ALLEN R. KITTLESON,
(73) Owners :
  • ESSO RESEARCH AND ENGINEERING COMPANY
(71) Applicants :
  • ESSO RESEARCH AND ENGINEERING COMPANY (United States of America)
(74) Agent:
(74) Associate agent:
(45) Issued: 1961-05-02
(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

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Claims

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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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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
Inactive: IPC from PCS 2023-05-27
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Inactive: Expired (old Act Patent) latest possible expiry date 1978-05-02
Grant by Issuance 1961-05-02

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
ESSO RESEARCH AND ENGINEERING COMPANY
Past Owners on Record
ALLEN R. KITTLESON
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 1995-02-11 4 176
Drawings 1995-02-11 1 28
Descriptions 1995-02-11 14 757