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| Patent # | Description |
|---|---|
| US-4,255,216 |
Pellicle ring removal method and tool The invention discloses a method of separating a glass mask from a pellicle ring adhesively mounted thereon. This is accomplished by maintaining a coolant in... |
| US-4,255,215 |
Oriented low-alloy iron containing critical amounts of silicon and
chromium This is a low-alloy iron having desirable magnetic characteristics suitable for electrical applications such as transformer cores. This material has improved... |
| US-4,255,214 |
Methods of manufacturing and protecting mirrors A method is provided for protecting silver and copper coated mirrors against oxidation and corrosion by passivating the metallic coating prior to applying a... |
| US-4,255,213 |
Method for producing solar collector plates A solar collector plate made of stainless steel or a metal having a nickel-flash coating is immersed in a molten dichromate salt bath at a temperature between... |
| US-4,255,212 |
Method of fabricating photovoltaic cells A solar power system including a movable platform for tracking the sun, a radiation concentrator, and a plurality of photovoltaic cell modules positioned on the... |
| US-4,255,211 |
Multilayer photovoltaic solar cell with semiconductor layer at shorting
junction interface A new high efficiency, multijunction photovoltaic solar cell for use with a concentration lens. This cell comprises an elemental single crystal substrate without... |
| US-4,255,210 |
Method for manufacturing a read-only memory device A read only-memory (ROM) is manufactured by a process which produces memories having customized codes from partially completed semiconductor chips. The chips are... |
| US-4,255,209 |
Process of fabricating an improved I.sup.2 L integrated circuit
utilizing diffusion and epitaxial deposition In a complementary pair of bipolar transistors, one vertical and one lateral, the vertical transistor includes a heavily doped buried emitter, lightly doped... |
| US-4,255,208 |
Method of producing monocrystalline semiconductor films utilizing an
intermediate water dissolvable salt layer A method is described for producing semiconductor films, particularly monocrystalline silicon and germanium films, characterized by the steps of: epitaxially... |
| US-4,255,207 |
Fabrication of isolated regions for use in self-aligning device process
utilizing selective oxidation V-shaped lateral dielectric isolation grooves divide a semiconductor layer into a plurality of regions. The oxide layer above the polycrystalline material in the... |
| US-4,255,206 |
Method for manufacturing a semiconductor structure A method for manufacturing a semiconductor structure, especially for optoelectronic components, in which, at least one layer of a further semiconductor compound... |
| US-4,255,205 |
Method of producing grain-oriented silicon steel sheets having
substantially no glass film A grain-oriented silicon steel sheet having substantially no glass film can be obtained by subjecting a cold rolled silicon steel sheet having a final gauge to a... |
| US-4,255,204 |
Process for inhibiting the deterioration of cane sugar Can sugar syrup is heated in an alkaline medium at a constant pH, e.g. 7 to 10, for a period of time e.g. 1-5 hours, to reduce the amino acid content of the... |
| US-4,255,203 |
Pigment formulations A pigment formulation which comprises (a) a finely divided organic pigment and (b) one or more urea derivatives of the formula K--(NH--CO--NH--R).sub.2, where R... |
| US-4,255,202 |
Viscous, flowable, pressure-compensating fitting compositions Viscous, flowable, pressure-compensating fitting materials or compositions having low density, sturdy, glass microbeads distributed therein, which are suitable... |
| US-4,255,201 |
Raw mixture for the production of cement clinker A raw mixture for the production of a cement clinker which consists of lime, argillaceous and ferrous components and a mixture of chlorides of calcium, potassium... |
| US-4,255,200 |
Method of manufacturing porous, water-permeable and not
frost-susceptible terra cotta pavings usable as ground... The present invention relates to a method of manufacturing terra cotta pavings which may be used for ground surfacing, said pavings not being frost-susceptible,... |
| US-4,255,199 |
Stable, chemically-strengthenable lithium aluminosilicate glasses This invention is concerned with the production of glasses in the Li.sub.2 O-PbO-Al.sub.2 O.sub.3 -SiO.sub.2 system which resist the development of ... |
| US-4,255,198 |
Glass for sealing to molybdenum metal This invention is directed to the production of glasses having particular utility as envelopes for tungsten-halogen incandescent lamps because of their thermal... |
| US-4,255,197 |
Process for obtaining refractory materials with controlled
characteristics of porosity and density A process for the preparation of lightweight refractory materials comprising shells or cellular structures comprising the steps of: choosing the size of... |
| US-4,255,196 |
Lithographic ink of reduced volatile solvent content for reducing
atmospheric pollution Disclosed are inks containing compounds of the formula: ##STR1## where --R.sup.1 is --H or --CH.sub.3 --R.sup.2 is an aliphatic, preferably linear hydrocarbyl,... |
| US-4,255,195 |
Compositions containing silicon dioxide The present invention relates to the use of amorphous, dust-like silicon dioxide emission products from electro-thermic manufacture of ferrosilicon and/or... |
| US-4,255,194 |
Palladium alloy baths for the electroless deposition A bath for the electroless deposition of palladium comprises an aqueous solution of divalent palladium, ammonia or amine, and a tertiary amine borane. The bath... |
| US-4,255,193 |
Method of manufacture of sintered pressed pieces of iron reinforced by
iron oxides A mixture of iron powder reinforced with iron oxides, are compressed and sintered to form improved sintered iron pressed pieces. |
| US-4,255,192 |
Homogenous bonding of dispersed phase alloy Dispersed phase dental alloy made by mechanically blending mixtures of lathe cut dental amalgam alloy particles and spheroidal silver-copper alloy particles has... |
| US-4,255,191 |
Gold-silver alloys with good tarnish resistance for the dental art Gold-silver alloys with good tarnish resistance for the dental art are prepared which, contrary to the known tarnish resistant alloys, still contain copper and... |
| US-4,255,190 |
Essentially non-precious stainless dental alloy The present invention provides an essentially non-precious stainless dental alloy which may be used in producing crowns, bridges, inlays, and the like. It also... |
| US-4,255,189 |
Low metalloid containing amorphous metal alloys Glassy iron, nickel and cobalt rich alloys that contain at least one of molybdenum, tungsten, titanium, chronium and vanadium, together with low boron content,... |
| US-4,255,188 |
Free machining steel with bismuth and manganese sulfide A free machining cast steel shape has in its microstructure, both bismuth-containing inclusions and manganese sulfide inclusions. The manganese sulfide... |
| US-4,255,187 |
Bismuth-containing steel A free machining cast steel shape containing bismuth which functions as a liquid metal embrittler. The ability of the bismuth to function as a liquid metal... |
| US-4,255,186 |
Iron-containing alloys resistant to seawater corrosion Iron-base alloys having a high elastic limit after quenching and ageing and resistant to corrosion by seawater, have the following composition, by weight: |
| US-4,255,185 |
Processes and apparatus for reducing and subsequently pelletizing moist
fine-grained ore Processes and apparatus for reducing and pelletizing moist fine-grained ore having zinc--and/or lead-containing impurities and wherein preheated ore is... |
| US-4,255,184 |
Method and apparatus for refining ferrosilicon A gas having high CO content evolved at reaction zone in a ferrosilicon-refining electric furnace is burned and deflected to wipe transversely on the top level... |
| US-4,255,183 |
Substituted phenyl urea and herbicides for use in paddy field The invention is 3-(4-crotyloxyphenyl)-1,1-dimethyl urea herbicidal compounds. |
| US-4,255,182 |
Aminosulfonylthiadiazolylureas Disclosed are compounds of the formula ##STR1## wherein R.sup.1 is alkyl, R.sup.2 is selected from the group consisting of hydrogen and alkyl; or R.sup.1... |
| US-4,255,181 |
Use of substituted-3-phenacylidenephthalides as corn plant growth
regulants This disclousure relates to regulating the growth of corn plants utilizing substituted-3-phenacylidene-phthalides. More particularly the present disclosure is... |
| US-4,255,180 |
Support mechanism for heat exchangers in float glass apparatus Support mechanism is affixed to the external structure of a float glass producing facility for mounting heat exchangers above the ribbon of glass as it is formed... |
| US-4,255,179 |
Glassware forming machines An individual section of a multiple section glassware forming machine has three operating stations in spaced apart relation along the longitudinal center line of... |
| US-4,255,178 |
Glassware forming machines An individual section of a multiple section glassware forming machine has three operating stations in spaced apart relation along the longitudinal center line of... |
| US-4,255,177 |
Glassware forming machines A glassware forming machine has three operating stations, in the first of which a parison is formed in an inverted position. First transfer means transfers a... |
| US-4,255,176 |
Combined air purifier and destratifier A combined unit for purifying and destratifying heated air including a first inlet at a lower area for receiving air to be purified, an air purifier including an... |
| US-4,255,175 |
Gas separation filter device having a handle A gas separation device has peripheral flow-through frame with a sheet of gas separation filter media disposed across the frame and attached to the frame for... |
| US-4,255,174 |
Separator Jet engines can function properly even in conditions where liquid droplets are taken in by the compressor of the engine. However, where the droplets contain... |
| US-4,255,173 |
Lead filter for internal combustion engine exhaust gases An automobile type exhaust gas lead filter is particularly applicable to diesel engine smoke reduction. It has a tubular housing with alumina coated metal wire... |
| US-4,255,172 |
Jet impaction preseparator A preseparator for connection to the sampling inlet of a particle sizing sampler to preseparate those particles from the gaseous medium with particle diameters... |
| US-4,255,171 |
Heat transfer medium for rotary heat transferrers The heat transfer medium for rotary air-to-air heat transferrers includes alternate planar and corrugated layers of a fiber-reinforced, heat-curable, organic... |
| US-4,255,170 |
Venting device for the housing of a rotary machine The disclosure concerns a venting device for the housing of a rotary machine. The housing has a venting duct leading from the interior of the housing outwardly... |
| US-4,255,169 |
Method of conservation in processing industrial air A method is disclosed for recycling industrial air. Air contaminated by particulates is removed from the area of machinery, transported to dust collectors, and... |
| US-4,255,168 |
Turbulent transport contactor and method of operation A turbulent transport contactor is formed by a contacting zone or section with means to introduce lightweight elements and gas at high velocity adjacent one end.... |
| US-4,255,167 |
Process for purifying cyanogen chloride gas A single-step process is disclosed for purifying raw cyanogen chloride gas contaminated with chlorine by fractionally separating chlorine from cyanogen chloride... |
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