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Patents Grantslast 30 patents

Information Patent Grant
Fixed-resin bed technologies for the treatment of the chlorine diox...
- Patent number 5,792,441
- Issue date Aug 11, 1998
- Pulp and Paper Research Institute of Canada
- Michael Paleologou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of waste sulphuric acid
- Patent number 5,603,839
- Issue date Feb 18, 1997
- Cecebe Technologies Inc.
- Gordon M. Cameron
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purification of sulfuric acid solution
- Patent number 4,559,216
- Issue date Dec 17, 1985
- Unitika Limited
- Tadao Nagai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3689217
- Patent number 3,689,217
- Issue date Sep 5, 1972
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3306702
- Patent number 3,306,702
- Issue date Feb 28, 1967
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3025135
- Patent number 3,025,135
- Issue date Mar 13, 1962
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3001854
- Patent number 3,001,854
- Issue date Sep 26, 1961
- C01 - INORGANIC CHEMISTRY