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| Number | Title | Issue Date |
| 5708762 | Print controlling method and printer device A device for printing print data after converting the print data into converted print data includes a head unit for printing the converted print data by moving in a scanning direction, the head unit having at least one head line in which print elements ar... | 01/13/1998 |
| 4979998 | Process for forming a metal boride coating on a carbonaceous substrate A process to form a uniform metal boride coating on a carbonaceous substrate by first forming a metal carbide coating and reacting the carbide coating with a boron compound.... | 12/25/1990 |
| 4810532 | Boron-silicon-hydrogen alloy films Hydrogenated boron-silicon alloy films having unexpected properties permitting in one embodiment the bonding together of metal and ceramic substrates by coating the surfaces to be bonded with the film mating the surfaces and heat treating the mated surfac... | 03/07/1989 |
| 4596612 | Method of quenching metals A metal quenchant fluid which is a mixture of water and a polyalkylene glycol and a inhibitor is substantially nitrite free. The inhibitor is a soluble product obtained by mixing a carboxylic acid having 4 to 12 carbon atoms in the molecule, an amine such... | 06/24/1986 |
| 4561912 | Fluxes for casing metals Fluxes for use in the casting of metals e.g. steel comprise granules containing carbonaceous powder in which the proportion of carbonaceous powder in the surface of the granules is greater than the overall proportion of carbonaceous powder in the granules... | 12/31/1985 |
| 4539053 | Pack composition for carburosiliconizing ferrous substrates A pack composition is disclosed for case hardening a ferrous metal to initially diffuse boron into the surface thereof and subsequently diffuse boron and silicon into the surface thereof. The pack composition comprises an amorphous boron, a silicon materi... | 09/03/1985 |
| 4537792 | Method of applying an annealing separator to grain oriented magnetic steel sheets A water repellent, for example an organic silicon compound, is added to an annealing separator which is applied electrostatically to the surface of a grain oriented magnetic steel sheet, or a glass-like film forming undercoating formed on the sheet surfac... | 08/27/1985 |
| 4534807 | Heat treatment of aluminium alloys containing lithium The heat treatment of aluminium alloys having a lithium content in excess of 0.5% is carried out in an atmosphere of carbon dioxide and water vapor, the partial pressure of water vapor being at least 4 torr and more usually 10-50 torr.... | 08/13/1985 |
| 4533403 | Pack composition for borocarburizing ferrous substrates A pack composition is disclosed for case hardening a ferrous metal to initially diffuse carbon into the surface thereof and subsequently diffuse boron into the surface. The pack composition comprises a boron material and a carburizing compound with the la... | 08/06/1985 |
| 4509993 | Regeneration agent for carburization salt bath It is known to regenerate salt baths for nitriding parts of iron and steel with polymers of organic materials, which polymers, however, could not be used in carburizing salt baths since with them there only are formed slight amounts of carburizing active ... | 04/09/1985 |
| 4465523 | Method of quenching metals A method of quenching metals is described, comprising immersing said metals in a quenching oil composition comprising: (a) a base oil, and (b) a compound represented by the general formula (1) or (2) as described below. ##STR1## (wherein all the symb... | 08/14/1984 |
| 4457788 | Particulate medium for fluidized bed operations This invention relates to non-abrasive, lubricative, particulate solids, e.g. graphites, lime, calcium oxides, zinc oxides and compounds of higher saturated fatty acids, particularly, stearate salts, and their methods of use as fluidized bed media for pre... | 07/03/1984 |
| 4441937 | Quenching bath and quenching method for metals Bath for the quenching of ferrous and nonferrous metals and their alloys, comprising a hydrogenated starch hydrolysate having, expressed with respect to the dry matter, a percentage of products of degree of polymerization 1 and 2 comprised between 1 and 9... | 04/10/1984 |
| 4268323 | Process for case hardening steel A process for case hardening steel is described. A fused bath of inert salt is maintained which bath is comprised of alkali or alkali earth halides, and alkali, or alkaline earth oxides or carbonates. To this fused bath is added urea, dicyanodiamide or py... | 05/19/1981 |
| 3956028 | Temporary scale retardant coatings A coating composition containing 75-95% MgO, 2-10% B2 O3 and 0-15% C, which is effective in retarding oxidation of ferrous metal articles, especially at temperatures in excess of 2150°F. Additional protection is achieved when about ... | 05/11/1976 |
