The Ontario Paper Company Ltd.

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St. Catharines, CA

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Patents Grantslast 30 patents

Information Patent Grant
Ink removal from waste paper
- Patent number 4,076,578
- Issue date Feb 28, 1978
- Canadian Patents and Development Limited
- Ira E. Puddington
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for treating a slurry of cellulosic material
- Patent number 4,046,621
- Issue date Sep 6, 1977
- The Ontario Paper Company Limited
- Ernest Arthur Sexton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for treating a slurry of cellulosic material
- Patent number 4,014,736
- Issue date Mar 29, 1977
- The Ontario Paper Company Limited
- Ernest Arthur Sexton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the manufacture of sodium carbonate
- Patent number 3,969,488
- Issue date Jul 13, 1976
- The Ontario Paper Company Limited
- Alan C. Shaw
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73117239
- Serial number 73117239
- Registration number 1086211
- Filing date Mar 28, 1977
- ONTARIO PAPER COMPANY LIMITED, THE
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
72465949 - OPCOLIG
- Serial number 72465949
- Registration number 993557
- Filing date Aug 17, 1973
- ONTARIO PAPER COMPANY LIMITED, THE
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry