Canterra Energy Ltd.

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Calgary, Alberta, CA

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of elemental sulphur from products containing contaminated...
- Patent number 4,964,981
- Issue date Oct 23, 1990
- Canterra Energy Ltd.
- Ion I. Adamache
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Recovery of elemental sulphur from products containing contaminated...
- Patent number 4,952,307
- Issue date Aug 28, 1990
- Canterra Energy Ltd.
- Ion I. Adamache
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Recovery of elemental sulphur from products containing contaminated...
- Patent number 4,871,447
- Issue date Oct 3, 1989
- Canterra Energy Ltd.
- Ion I. Adamache
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Enhanced oil recovery by a miscibility enhancing process
- Patent number 4,467,868
- Issue date Aug 28, 1984
- Canterra Energy Ltd.
- Ion Adamache
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73401185 - CANTERRA
- Serial number 73401185
- Registration number 1274024
- Filing date Oct 29, 1982
- Canterra Energy Ltd.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73384799 - C
- Serial number 73384799
- Registration number 1278485
- Filing date Sep 13, 1982
- Canterra Energy Ltd.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73385340 - CANTERRA
- Serial number 73385340
- Registration number 1282874
- Filing date Sep 13, 1982
- Canterra Energy Ltd.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry