John W. ApSimon

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of substituted polysulfones by metalation
- Patent number 4,833,219
- Issue date May 23, 1989
- National Research Council of Canada
- Michael D. Guiver
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of substituted polysulfones through ortho-metalated int...
- Patent number 4,797,457
- Issue date Jan 10, 1989
- National Research Council of Canada
- Michael D. Guiver
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyarylene polyethersulfone ionomers
- Patent number 4,598,137
- Issue date Jul 1, 1986
- Canadian Patents and Development Limited
- Michael D. Guiver
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...