| Patents for C04B 41 - After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone (26,090) |
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| 09/15/1981 | US4289829 Method for metallizing ceramic substrates and new, thus obtained products |
| 09/15/1981 | US4289802 Porous cermet electrode and method of making same |
| 09/15/1981 | US4289720 Process for producing a thermal-resistant ceramic fired body |
| 09/15/1981 | US4289719 Method of making a multi-layer ceramic substrate |
| 09/15/1981 | US4289447 Metal-ceramic turbine shroud and method of making the same |
| 09/15/1981 | CA1108808A1 One-part hydrophilic treatment compositions |
| 09/08/1981 | US4288495 Article coated with beta silicon carbide and silicon |
| 09/08/1981 | CA1108355A1 Decreasing the porosity and surface roughness of ceramic substrates |
| 09/01/1981 | US4287259 Preparation and uses of amorphous boron carbide coated substrates |
| 09/01/1981 | CA1108195A1 Durable ceramic decorating enamels based on thermally stable cadmium red colors |
| 08/26/1981 | EP0034329A1 Armouring |
| 08/19/1981 | EP0033979A2 Thick film silver compositions for silver terminations for reduced barium titanate capacitors |
| 08/18/1981 | US4284663 Increasing refractive index |
| 08/11/1981 | US4283360 By blending with resins insoluble and soluble in an organic solvent, molding, firing |
| 08/11/1981 | CA1106708A1 Grout restorer |
| 07/29/1981 | EP0032788A1 Method for depositing coatings in a glow discharge |
| 07/29/1981 | EP0032664A1 Hydrophobing agent for blown minerals |
| 07/28/1981 | US4281041 Palladium cobalt iron alloy |
| 07/28/1981 | US4281037 Cleaning and priming composition containing titanium acetylacetonate and method |
| 07/28/1981 | US4280975 Method for constructing a turbine shroud |
| 07/23/1981 | WO1981002009A1 Internal sealant for concrete |
| 07/08/1981 | EP0031540A2 Glass-based fusible seal, particularly for a charge electrode of an ink-jet printer |
| 07/07/1981 | USRE30668 Impregnation of alumina with silicon compound followed by controlled oxidation |
| 06/30/1981 | USRE30658 Apparatus for treating work pieces |
| 06/30/1981 | CA1104093A1 Method for fabricating multi-layer optical films |
| 06/23/1981 | US4275095 Composite article and method of making same |
| 06/23/1981 | CA1103528A1 Process for rendering building materials hydrophobic |
| 06/17/1981 | EP0030405A1 Process for producing cuvettes for flameless atomic absorption spectroscopy |
| 06/17/1981 | EP0030293A1 Method of achieving uniform shrinkage in a laminated planar green ceramic substrate during sintering and apparatus therefor |
| 06/16/1981 | US4273824 Ceramic faced structures and methods for manufacture thereof |
| 06/16/1981 | US4273813 Method of providing waterproof coating for masonry walls |
| 06/16/1981 | CA1103174A1 Porous ceramic barrier support and process for preparing the same |
| 06/16/1981 | CA1103111A1 Method of preventing surface cracking of portland cement mortar and concrete containing a film forming polymer modifier |
| 06/16/1981 | CA1103105A1 Method of manufacturing supports for porous filters |
| 06/16/1981 | CA1103104A1 Process for applying a protective layer to shaped carbon bodies |
| 06/10/1981 | EP0006892B1 Encapsulating process of a ceramic piece |
| 06/02/1981 | CA1102185A1 Method of making antifriction products |
| 06/02/1981 | CA1102106A1 Conductor compositions |
| 05/26/1981 | US4269869 Method for improving surface properties of porous inorganic material by coating |
| 05/26/1981 | US4269323 Heat insulated tank |
| 05/26/1981 | CA1101765A1 Process for etching holes |
| 05/20/1981 | EP0028819A1 A thick film copper conductor composition and a dielectric substrate having a thin layer of the composition bonded thereto |
| 05/19/1981 | US4268582 Boride coated cemented carbide |
| 05/19/1981 | US4268569 Cemented carbide, nitride or carbide interlayer, hafnium or zirconium carbonitride |
| 05/19/1981 | US4268539 Indium nitrate-diketone reaction product |
| 05/19/1981 | CA1101185A1 Slide gate for containers holding liquid metal melt |
| 05/13/1981 | EP0028513A1 A method of demolition and method of preparing a demolition agent |
| 05/12/1981 | US4267213 To impart hydrophilicity to substrates having siliceous surfaces |
| 05/12/1981 | US4267211 Process for producing corrosion-, heat- and oxidation-resistant shaped article |
| 05/12/1981 | US4267210 Heat treatment of a metal, carbon, or ceramic substrate with an organoborosiloxane; adhesion |
| 05/12/1981 | US4267209 By adhering a mixture of ceramic material, a gum, a frit and bentonite to the surface, and firing |
| 05/12/1981 | US4267000 Transferring a coating of bentonite and thermoplastic resins from an elastomer or silicone-coated body; printing |
| 05/05/1981 | US4265843 Nuclear reactors |
| 05/05/1981 | CA1100366A1 Coated silicon-based ceramic composites and method for making same |
| 04/28/1981 | US4264803 Resistance-heated pyrolytic boron nitride coated graphite boat for metal vaporization |
| 04/28/1981 | US4264679 Using a borosilicate glass as stabilizing agent |
| 04/28/1981 | US4264647 Coating within a ceramic cup using a tapered masking element |
| 04/22/1981 | EP0027251A1 Article comprising carbon fibres and method of producing the article |
| 04/21/1981 | US4263372 Mixing cement and acrylate binder to make construction materials |
| 04/21/1981 | US4263161 Diisocyanate solution |
| 04/21/1981 | US4263085 Tape product for forming indicia, and process and apparatus for producing same, and products produced using such tape product |
| 04/14/1981 | USRE30575 Precipitation on layers of spaced asbestos fibers |
| 04/14/1981 | US4262040 Decoration for ceramics having the appearance of gold |
| 04/14/1981 | US4262039 Pyrolytic gas method of coating graphitic or ceramic articles with solids |
| 04/14/1981 | US4261938 Method of producing glazed ceramic building materials |
| 04/07/1981 | US4259824 Precast concrete modular building panel |
| 03/31/1981 | US4259278 Method of reshaping warped graphite enclosures and the like |
| 03/31/1981 | US4259061 Flat setter plate of molybdenum, tantalum, tungsten, or alloys thereof, with coating of ceramic |
| 03/31/1981 | CA1098386A1 Stone surface treatment |
| 03/24/1981 | US4258099 For filtering molten metals |
| 03/24/1981 | US4258090 Method for the protection of concrete in sea water |
| 03/24/1981 | US4257542 Slide gate for containers holding liquid metal melt |
| 03/17/1981 | US4256501 Rock treating method and compositions |
| 03/17/1981 | US4256499 Sulfur concrete composition and method of making shaped sulfur concrete articles |
| 03/17/1981 | CA1097541A1 Process for the preparation of a coating for glass or ceramic surfaces |
| 03/17/1981 | CA1097455A1 Thermal barrier compositions |
| 03/10/1981 | US4255466 Pores filled with hardened polyurethane, outer surfaces left uncoated |
| 03/03/1981 | US4253934 Aging treatment for exhaust gas oxygen sensor |
| 03/03/1981 | CA1096895A1 Molten silicon infiltration reaction products |
| 03/03/1981 | CA1096716A1 Process for obtaining articles which are designed to operate at elevated temperatures in oxidizing atmospheres and carbon articles obtained by such a process |
| 02/25/1981 | EP0024185A2 Soldering apparatus |
| 02/24/1981 | US4252861 Melting, tilting |
| 02/24/1981 | US4252860 Method of increasing impact strength of silicon nitride |
| 02/24/1981 | US4252856 Tantalum, titanium, or hafnium carbide |
| 02/17/1981 | US4251820 Solder glass bonded charge electrode assembly for ink jet printers |
| 02/17/1981 | US4251570 Cold substrate growth technique for silicon-on-ceramic |
| 02/17/1981 | US4251275 Low-viscosity, high-silver, paint |
| 02/03/1981 | CA1094892A1 Method of making a silicon nitride part |
| 02/03/1981 | CA1094890A1 Silicon carbide filaments and method |
| 01/27/1981 | US4247361 Method of etching a surface of a body |
| 01/14/1981 | EP0022272A1 Method of anti-corrosion protection of silicon carbide elements and apparatus for carrying out the method |
| 01/13/1981 | US4245005 Pellicular coated support and method |
| 01/13/1981 | CA1093540A1 Liquid seeders and catalyzation processes for electroless metal deposition |
| 01/08/1981 | WO1981000015A1 Building tile exhibiting antique pattern |
| 01/07/1981 | EP0021500A2 Process for coating mineral, organic or metallic microscopic or macroscopic substrates, and the substrates so coated |
| 12/30/1980 | US4242376 Method for metal plating of powder by substitution |
| 12/30/1980 | US4242374 Process for thin film deposition of metal and mixed metal chalcogenides displaying semi-conductor properties |
| 12/30/1980 | CA1092450A1 Primer compositions for silicone elastomers |
| 12/23/1980 | US4240847 Production of platinum group metal layer on a refractory |
| 12/23/1980 | CA1091938A1 Method for the work-hardening of diamonds |