QUARTZ & SILICE

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Patents Grantslast 30 patents

Information Patent Grant
Ceramifiable sizing composition for continuous inorganic yarns, yar...
- Patent number 5,683,812
- Issue date Nov 4, 1997
- Quartz & Silice
- Laurent Jean Andre Molins
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Apparatus for extracting spin cast fused silica objects
- Patent number 5,015,279
- Issue date May 14, 1991
- Quartz & Silice
- Paul Guibert
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of extracting spin cast fused silica
- Patent number 4,964,902
- Issue date Oct 23, 1990
- Quartz & Silice
- Paul Guibert
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of semifinished product for manufacture of optical fibers
- Patent number 4,367,013
- Issue date Jan 4, 1983
- Quartz & Silice
- Pierre Guerder
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73141193 - FIBROPSIL
- Serial number 73141193
- Registration number 1143804
- Filing date Sep 14, 1977
- Quartz & Silice
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
72464572 - PUROPSIL
- Serial number 72464572
- Registration number 995271
- Filing date Aug 2, 1973
- QUARTZ & SILICE
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72002379 - GERMISIL
- Serial number 72002379
- Registration number 635935
- Filing date Feb 9, 1956
- QUARTZ & SILICE
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments