Patents for C03B 32 - Thermal after-treatment of glass products not provided for in groups , e.g. crystallisation, eliminating gas inclusions or other impurities (1,972) |
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10/23/1984 | US4478641 Embedding material useful in preparing glass-ceramic products |
08/21/1984 | US4467039 Potassium fluorrichterite glass ceramics and method |
04/18/1984 | EP0105701A1 Drawing laminated polarizing glasses |
03/21/1984 | EP0103554A1 A method and apparatus for varying the refractive index for a surface of an optical lens |
02/16/1984 | WO1984000536A1 Glass crystalline material and method for obtention thereof |
01/18/1984 | EP0098406A1 Ramped nucleation of solid state phase changes |
11/29/1983 | US4417912 Crystallization in furnace having temperature gradient |
11/08/1983 | US4414281 Glass-ceramic articles having metallic surfaces |
11/08/1983 | US4414014 Method of producing a bubble-free vitreous material |
08/24/1983 | EP0086656A2 Glass-ceramic articles having metallic surfaces and manufacture thereof |
10/12/1982 | CA1133525A1 Fabrication of rotary heat exchangers made of magnesium aluminum silicate glass-ceramic |
07/20/1982 | US4340408 High silica glass |
04/27/1982 | CA1122412A1 Ultra-high-index glass microspheres and products made therefrom |
04/06/1982 | CA1121391A1 Basalt glass-ceramic fibers and method of production |
01/19/1982 | US4311529 Tinted opal glass |
12/08/1981 | US4304584 Method for making polarizing glasses by extrusion |
08/04/1981 | US4282022 Elongating the silver or silver halide particles |
06/23/1981 | US4275102 Ferroelectric crystals in a vitreous matrix |
02/03/1981 | US4248925 Encapsulation in glass and glass-ceramic materials |
02/03/1981 | US4248297 Glass-ceramic article and method of making same |
01/13/1981 | US4244722 Method for manufacturing thin and flexible ribbon of dielectric material having high dielectric constant |
11/25/1980 | US4235617 Fabrication of rotary heat exchangers made of magnesium aluminum silicate glass-ceramic |
11/11/1980 | US4233169 Porous magnetic glass structure |
11/04/1980 | US4231778 Method of strengthening glass articles |
11/04/1980 | US4231776 Method for manufacturing a panel of anisotropic ceramic glass |
10/14/1980 | US4227910 Apparatus for supporting lenses during heat treatment |
09/16/1980 | US4222760 Preparation of oxynitride glass-ceramics |
08/26/1980 | US4219344 Method of producing manganese cordiertie glass-ceramics |
07/15/1980 | US4212678 Oxides of lithium, aluminum, silicon, magnesium, zinc, and titanium |
07/08/1980 | US4211820 Brown glass-ceramic articles |
05/20/1980 | US4204027 Photochromic sheet glass process |
05/13/1980 | US4202660 Glass-ceramic article and method of making same |
05/13/1980 | CA1077273A1 Crystallized glass article and a method for producing the same |
05/06/1980 | US4201559 Heat treatment |
04/22/1980 | US4199336 Method for making basalt glass ceramic fibers |
04/08/1980 | US4197105 Method of stain-decorating glass-ceramics |
03/11/1980 | US4192666 Palladium-containing stain; two-step heat treatment |
03/11/1980 | US4192665 Rapidly crystallized beta-spodumene glass-ceramic materials |
03/11/1980 | US4192576 Bismuth oxide-titanium oxide |
03/04/1980 | US4191583 Magnesium oxide |
02/12/1980 | CA1071410A1 Method for the production of bubble-free objects of quartz glass by drawing |
12/18/1979 | US4179596 Method for processing fiberoptic electronic components of electronic vacuum devices |
10/30/1979 | US4172921 Window or room closure |
09/25/1979 | US4169182 Layer of copoer or copper oxide on glass fiber |
09/04/1979 | CA1061618A1 Photochromic gradient lenses |
04/17/1979 | US4149868 Heat exchanging |
02/20/1979 | US4140645 Glasses and glass-ceramics suitable for induction heating |
12/12/1978 | CA1044223A1 Recuperator structures and method and apparatus for making same |
11/14/1978 | US4125388 Heating glass soot preform while passing drying agent through it |
10/03/1978 | US4118237 Glass-ceramics displaying inherent lubricity |
09/05/1978 | US4111520 Fabrication of optical waveguides |
07/25/1978 | US4102666 Method of surface crystallizing quartz |
05/23/1978 | US4090776 Fabrication of optical waveguides |
04/25/1978 | US4086074 Leaching |
03/21/1978 | US4080188 Durable substrates having porous antireflection coatings |
02/28/1978 | US4076513 Method for making transverse tube recuperator |
02/07/1978 | US4072490 Apparatus and process for producing a gradient photochromic ophthalmic lens |
11/29/1977 | US4060401 Siliceous |
10/18/1977 | US4054435 Method of crystallizing a two layer glass article |
08/16/1977 | US4042362 Production of glass-ceramic articles |
06/28/1977 | US4032315 Method for the production of quartz-glass objects by drawing |
05/03/1977 | US4020896 Ceramic structural material |
04/12/1977 | US4017293 Heat treating and sagging lens blanks |
02/08/1977 | US4007048 Dark red transparent refractory glass |
10/05/1976 | US3984252 Fireproof glass windowpanes |
08/31/1976 | US3977857 Metal bonding glass-ceramic compositions having improved hardness |
06/01/1976 | US3960533 Lamp having crystallizable light diffusing envelope |
05/11/1976 | US3955989 Crystallized glass article having a surface pattern |
04/20/1976 | US3951670 Cristobalite suppression in high-silica Li2 O-Al2 O-SiO2 devitrified glass frits |
04/06/1976 | US3948317 Structural reinforced glass-ceramic matrix products and method |
02/17/1976 | US3938978 Method of making crystallized glass |
01/06/1976 | US3931438 Differential densification strengthening of glass-ceramics |