| Patents for C03C 21 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface (2,282) |
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| 06/05/1984 | US4452508 Graded index optical fibres |
| 03/21/1984 | EP0103554A1 A method and apparatus for varying the refractive index for a surface of an optical lens |
| 03/20/1984 | US4438210 Transparent colorless glass-ceramics especially suitable for use as stove windows |
| 02/28/1984 | US4434191 Integral anti-reflective surfaces of silicate glasses |
| 02/22/1984 | EP0100998A1 Method of making a glass fibre with a radial refraction profile |
| 02/07/1984 | CA1161984A1 Macrofilament-reinforced composites |
| 12/06/1983 | CA1158047A1 Process for reducing the hydroxyl-group in preforms for optical fibres manufactured by mcvd process |
| 11/22/1983 | CA1157273A1 Peraluminous nepheline/kalsilite glass-ceramics |
| 11/08/1983 | US4414281 Glass-ceramic articles having metallic surfaces |
| 11/08/1983 | CA1156679A1 Calcium aluminum fluorosilicate glass powder and its use |
| 11/08/1983 | CA1156467A1 Method for drawing high-bandwidth optical waveguides |
| 10/25/1983 | US4411847 Slurrying with aqueous solution of multivalent metal salt |
| 10/12/1983 | EP0091247A1 Coloured photochromic glasses and method for production thereof |
| 10/04/1983 | US4407891 Low temperature reduction process for large photomasks |
| 09/14/1983 | EP0088473A1 Method of manufacturing a low-pressure mercury vapour discharge lamp |
| 09/06/1983 | US4403031 Method for providing optical patterns in glass |
| 08/30/1983 | CA1152816A1 Silicate based and polysalt containing hollow microspheres which have been surface modified with multivalent metal |
| 08/24/1983 | EP0086656A2 Glass-ceramic articles having metallic surfaces and manufacture thereof |
| 08/09/1983 | US4397669 Stressing and reinforcing an etched glass mold by ion exchanging |
| 08/09/1983 | US4397668 Process and devices for hardening of glassware by ion exchange |
| 08/09/1983 | US4397667 Stable silver compound for uniform color |
| 06/28/1983 | US4390592 Low temperature reduction process for photomasks |
| 06/21/1983 | US4389230 Process for improving the transmission characteristics of optical fibers drawn from preforms made by the MCVD technique |
| 05/11/1983 | EP0078488A2 Process for making a tempered glas dielectric material for an electical isolator, and isolator obtained |
| 05/11/1983 | EP0078487A2 Process for making a glass dielectric for an electrical isolator, and dielectric obtained |
| 04/26/1983 | USRE31220 Electromigration method for making stained glass photomasks |
| 04/26/1983 | US4381193 Internal treatment system for glassware |
| 04/12/1983 | CA1144373A1 Graded refractive index fibers and rods |
| 03/16/1983 | EP0074313A1 Production of infra-red light-reflecting plate glass |
| 03/15/1983 | US4376835 Calcium depleted aluminum fluorosilicate glass powder for use in dental or bone cements |
| 01/11/1983 | CA1139162A1 Method of treating glass fibres |
| 01/05/1983 | EP0068707A1 Method for providing optical patterns in glass |
| 01/04/1983 | US4367012 Optical glass fiber having cover glass of sodium zinc alumino borosilicate |
| 08/18/1982 | EP0057952A1 Method for the precision moulding of glass articles, method of manufacturing a mould, and mould for the precision moulding of glass articles |
| 08/03/1982 | CA1128800A1 Photosensitive colored glasses exhibiting alterable photo-anisotropic effects |
| 07/27/1982 | US4341835 Macrofilament-reinforced composites |
| 07/27/1982 | US4341544 Melting, concurrent cooling and shaping, heat treatment followed by ion exchanging |
| 07/20/1982 | US4340642 Surface modified hollow microspheres |
| 07/13/1982 | US4339256 Method of making polarized ophthalmic glass |
| 05/12/1982 | EP0051390A1 Glass-ceramic articles extremely resistant to impact and spontaneous delayed breakage and production thereof |
| 04/27/1982 | CA1122468A1 Method for making silver-containing glasses exhibiting thermoplastic properties and photosensitivity |
| 02/23/1982 | CA1118624A1 Photochromic glasses suitable for simultaneous heat treatment and shaping |
| 01/12/1982 | US4310595 Peraluminious nepheline/kalsilite glass-ceramics |
| 12/23/1981 | EP0042135A1 Process for reducing the hydroxyl-group content in preforms for optical fibres manufactured by MCVD process |
| 12/22/1981 | CA1114613A1 Method of producing optical fibres for telecommunication |
| 12/01/1981 | US4303547 Luminescent material |
| 11/17/1981 | CA1112431A1 Method and apparatus for the continuous production of optical fibres |
| 10/27/1981 | US4297417 Photochromic glass of oxides of sodium, zinc, aluminum, and silicon and chlorine having a silver-silver chloride layer |
| 09/22/1981 | US4290793 Fluid bed chemical strengthening of glass objects |
| 08/25/1981 | CA1107556A1 Photochromic glasses exhibiting dichroism, birefringence and color adaptation |
| 08/25/1981 | CA1107555A1 Colored dichroic, birefringent glass articles produced by optical alteration of additively-colored glasses containing silver and silver halides |
| 07/22/1981 | EP0032192A2 Luminescent material, process of forming the same and process of electrically altering the ingredients of a glass |
| 06/16/1981 | US4273832 Glass article strengthened by ion exchange substitution |
| 03/31/1981 | US4259406 Surface coloration and subsequent selective colored surface layer removal |
| 03/24/1981 | CA1097965A1 Glass lens with ion-exchanged antireflection coating and process for manufacture thereof |
| 03/03/1981 | US4253861 Ion exchanging cuprous chloride with sodium ions in glass, reduction to metallic copper |
| 02/10/1981 | CA1095307A1 Photochromic borosilicate glass having a specific molar ratio of alkali metal and boron oxides |
| 02/03/1981 | US4248614 Method for drawing high-bandwidth optical waveguides |
| 01/28/1981 | EP0023013A2 Calciumaluminium fluorosilicate glass powder and its use |
| 01/20/1981 | US4246016 Method of making graded refractive index fibers and rods |
| 01/06/1981 | CA1092876A1 Photochromic alumino-phosphate glass having dispersed silver halide crystals |
| 12/30/1980 | US4242117 Method of producing optical fibers for telecommunications |
| 12/30/1980 | CA1092358A1 Method of strengthening glass articles with potassium fluoride-metal acetate |
| 12/02/1980 | CA1090580A1 High strength ophthalmic lens |
| 10/29/1980 | EP0018109A2 Improvements in or relating to graded index optical fibre |
| 10/14/1980 | US4228204 Method of treating glass fibers |
| 10/01/1980 | EP0016621A1 A method of making glass optical waveguides or waveguide blanks |
| 09/02/1980 | CA1084711A1 Ion exchange-strengthened silicate glass filter for ultraviolet light |
| 09/02/1980 | CA1084710A1 Low temperature manufacture of glass |
| 08/19/1980 | US4218230 Exchanging potassium for sodium |
| 08/19/1980 | CA1083821A1 Ion exchangeable segment glass |
| 08/19/1980 | CA1083820A1 High strength ophthalmic lens |
| 08/05/1980 | CA1083183A1 Joint doping of porous glasses to produce materials with high modifier concentrations |
| 07/15/1980 | US4212919 Oxides of sodium, silicon, and zirconium with siliver and halides thereof |
| 06/03/1980 | US4206253 Method of strengthening chemically a glass container |
| 06/03/1980 | CA1078657A1 Photosensitive colored glasses containing silver and microcrystals of alkali metal fluoride |
| 05/13/1980 | US4202679 Process and apparatus for the continuous production of elongate light conductors |
| 03/18/1980 | CA1073930A1 Process for producing aluminous keatite ceramics |
| 03/18/1980 | CA1073678A1 High strength ophthalmic lens |
| 03/11/1980 | US4192689 Ion exchange strengthening of soda-lime-silica glass |
| 03/04/1980 | US4191547 Method of making photosensitive colored glasses exhibiting alterable photo-anisotropic effects |
| 02/26/1980 | US4190451 Photochromic glass |
| 02/12/1980 | CA1071408A1 Treatment of glass |
| 02/05/1980 | US4187094 Method for improving the durability of spontaneous NaF opal glassware |
| 01/23/1980 | EP0007218A1 Photosensitive coloured glasses exhibiting alterable photo-anisotropic effects, production and use thereof |
| 12/11/1979 | US4178082 Hardened circular spectacle-lens element and method of making the same |
| 12/04/1979 | US4177319 Oxides of silicon, magnesium lithium, and sodium |
| 10/30/1979 | US4172921 Window or room closure |
| 10/09/1979 | US4170460 Method of making colored glass articles |
| 10/02/1979 | CA1063352A1 Method for producing an impregnated waveguide |
| 09/25/1979 | CA1062969A1 Coating glass |
| 09/18/1979 | US4168113 Oxides of titanium, cerium, zirconium, lanthanum, neodymium, aluminum, and silicon |
| 09/04/1979 | US4166745 Refractive index-corrected copper-cadmium halide photochromic glasses |
| 09/04/1979 | CA1061618A1 Photochromic gradient lenses |
| 08/28/1979 | CA1061115A1 Glass manufacturing apparatus |
| 08/14/1979 | US4164402 Strengthening of thin-walled, light glass containers |
| 07/24/1979 | CA1058940A1 Photochromic sheet glass compositions and articles |
| 07/10/1979 | US4160654 Method for making silver-containing glasses exhibiting thermoplastic properties and photosensitivity |
| 06/26/1979 | CA1057107A1 Phototropic ophthalmic glass |
| 06/12/1979 | CA1056229A1 Process for edge coating of lens blanks with in situ heat polymerized resin |