Dyson Refractories Limited

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst and method of making a precursor for the catalyst
- Patent number 4,835,132
- Issue date May 30, 1989
- Dyson Refractories Limited
- Rodney M. Sambrook
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Catalysts and method of their preparation
- Patent number 4,530,918
- Issue date Jul 23, 1985
- Dyson Refractories Limited
- Rodney M. Sambrook
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of preparing a catalyst and catalyst prepared by the method
- Patent number 4,522,940
- Issue date Jun 11, 1985
- Dyson Refractories Limited
- Rodney M. Sambrook
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Electrodes for glass furnaces
- Patent number 4,512,023
- Issue date Apr 16, 1985
- Dyson Refractories Limited
- Richard J. Brinkman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Catalyst and method of preparation
- Patent number 4,469,815
- Issue date Sep 4, 1984
- Dyson Refractories Limited
- Rodney M. Sambrook
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Holloware for uphill teeming
- Patent number 4,356,994
- Issue date Nov 2, 1982
- Dyson Refractories Limited
- James M. Thornton
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73429557 - DYGRAL
- Serial number 73429557
- Registration number 1300041
- Filing date Jun 10, 1983
- Dyson Refractories Limited
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73422298 - DYCAT CATALYSTS
- Serial number 73422298
- Registration number 1345384
- Filing date Apr 19, 1983
- Dyson Refractories Limited
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry