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| Number | Title | Issue Date |
| 5348774 | Method of rapidly densifying a porous structure Porous solid bodies, especially carbon bodies, are densified by chemical vapor deposition by establishing a thermal gradient within the body, thermally decomposing a gaseous precursor so deposit an electrically and thermally conductive deposit (e.g. carbo... | 09/20/1994 |
| 5321711 | Segmented solid state laser gain media with gradient doping level Solid state laser gain media of segmented construction are composed of at least two segments of a doped crystalline laser host which are arranged in crystallographic alignment, wherein the dopant concentration varies from segment to segment to provide gra... | 06/14/1994 |
| 5285070 | Air turbulence detector Apparatus for remotely sensing changes in the spatial temperature profile of a column of atmospheric air includes (a) collecting means for receiving the thermal radiation from a column of atmospheric air, and for directing it to intensity sensing means; (... | 02/08/1994 |
| 4879270 | Method of forming superconducting ceramics by electrodeposition The invention relates to an improvement in a method of forming deposits of superconducting ceramics. Generally, such ceramics are formed by electrodepositing a mixture of metals of the type, and in proportions sufficient to be oxidized into ceramic, onto ... | 11/07/1989 |
| 4869751 | Thermomechanical processing of rapidly solidified high temperature al-base alloys A dispersion strengthened, non-heat treatable aluminum base alloy is formed into useful shapes by compacting under vacuum a powder composed of particles produced by rapid solidification of the alloy to obtain a compacted billet; forming said billet into r... | 09/26/1989 |
| 4861838 | Process for production of quasi-random copolymers from homopolymers A process for forming random copolymers which comprises forming a polymer melt containing one or more polyamides and one or more acidic or basic inorganic materials, such as ammonium bisulfate, ammonium biphosphate and sodium biphosphate; and heating said... | 08/29/1989 |
| 4857109 | Rapidly solidified high strength, corrosion resistant magnesium base metal alloys A rapidly solidified magnesium based alloy contains finely dispersed magnesium intermetallic phases. The alloy has the form of a filament or a powder and is especially suited for consolidation into bulk shapes having superior combination of strength, duct... | 08/15/1989 |
| 4858242 | Unitary solid-state laser Improvement in a laser having a solid transparent housing with two cavities for respectively holding a laser rod and a pump lamp. The rod is embedded along its total length within the housing; the pump lamp is embedded along its total arc and over a subst... | 08/15/1989 |
| 4853353 | Method for preventing low-temperature degradation of tetragonal zirconia containing materials A ceramic body has a surface region that contains tetragonal zirconia. The body is partially stabilized with yttria and, optionally, ceria. Substantially the entire surface region is composed of recrystallized tetragonal strain free grains of yttrium oxid... | 08/01/1989 |
| 4853035 | Rapidly solidified high strength, corrosion resistant magnesium base metal alloys A metal article is consolidated from a rapidly solidified magnesium based alloy. After consolidation, the alloy has a microstructure containing precipitates of intermetallic phase of average size less than 0.1 μm. The article has a thickness of at least ... | 08/01/1989 |
| 4851279 | Fibers made from cyanato group containing phenolic resins, and phenolic triazines resins The present invention is a fiber comprising cyanato group containing phenolic resin comprising repeating units of the formula: ##STR1## wherein p is 0 or an integer of one or more, q is 0 or an integer of 1 or more, X is a radical selected from the g... | 07/25/1989 |
| 4848875 | Dual-pane thermal window with liquid crystal shade A dual-pane thermal window unit comprises two nonintersecting or, preferably, substantially parallel, spaced window panes, mounted in a window frame, a first of the panes having affixed thereto a first wall of an electro-optical liquid crystal cell provid... | 07/18/1989 |
| 4849343 | Process for analysis using a lipid membrane A lipid membrane is used as a chemo-receptive transducer for quantitative and semi-quantitative analysis of chemical test species in an electrolyte. The lipid membrane is contacted with an electrolyte containing the test species, and an electrical potenti... | 07/18/1989 |
| 4845056 | Continuous process for production of fine particulate ceramics A process is comprised of continuously producing a fine ceramic powder by drying at supercritical conditions. The feed is a sol of ceramic oxides or hydrous oxides which is continuously pressurized and heated to in excess of the critical temperature and p... | 07/04/1989 |
| 4845162 | Curable phenolic and polyamide blends The present invention relates to a composition comprising a phenolic resin, as for example phenol formaldehyde, an active hydrogen containing polymer as for example a polyamide, and a curing agent, such as a polyepoxide.... | 07/04/1989 |
| 4831086 | Cyanato group containing phenolic resins, phenolic triazines derived therefrom The present invention is a cyanato group containing phenolic resin of the formula: ##STR1## wherein n is 0 or an integer of one or more, and R is the same or different and is selected from the group consisting of hydrogen and methyl radicals. Th... | 05/16/1989 |
| 4828818 | Chromium aerogel method of producing same and fluorinating process utilizing same Chromium(III) oxide and hydroxide aerogels are produced by the reaction of chromium(VI) oxide with a solvent which is reducing to chromium(VI), such as methanol, heating the solution to hypercritical conditions, and venting the solvent hypercritically. Th... | 05/09/1989 |
| 4829528 | Interlocked ring intracavity raman laser method of generating raman shifted laser output Device for providing a train of light pulses at Raman shifted frequency comprises a first ring laser (for fundamental frequency) and a second ring laser (for Raman shifted frequency). Both ring laser intersect in a Raman laser medium which is common to th... | 05/09/1989 |
| 4828632 | Rapidly solidified aluminum based, silicon containing alloys for elevated temperature applications A rapidly solidified aluminum-base alloy consists essentially of the formula Albal Fea Sib Vc, wherein "a" ranges from 3.0 to 7.1 atom percent, "b" ranges from 1.0 to 3.0 atom percent, "c" ranges from 0.25 to 1.... | 05/09/1989 |
| 4824529 | Lipid membrane-based device A protected, lipid membrane-based device useful as a chemoreceptive transducer is provided. The device includes a porous, membrane-protective layer attached to an underlying, lipid membrane. Also provided is a process for using the protected device to det... | 04/25/1989 |
| 4820767 | Process for the production of poly(vinyl acetate) and poly(vinyl alcohol) This invention relates to a process for the production of poly(vinyl alcohol) having a weight average molecular weight of at least about 0.4×106 by polymerizing vinyl acetate at a temperature of from about 0° C. to about 40° C. in the presen... | 04/11/1989 |
| 4820568 | Composite and article using short length fibers The present invention is an improved prepreg layer, multilayer composite based on the improved prepreg layer, and article made from the multilayer composite. The prepreg layer of the present invention comprises an array of at least two adjacent, coplanar ... | 04/11/1989 |
| 4820553 | Method for pretreatment of polyesters for metal plating This invention relates to a process for conditioning the surfaces of polyester and polyamide materials for electroless plating of a metal coating thereon by exposing such materials to a composition comprising a solvent system containing water, and one or ... | 04/11/1989 |
| 4814242 | Elastomeric binders for battery electrodes This invention relates to a novel anode for use in batteries, and to batteries containing the anode, which anode comprises one or more anode active materials and an elastomeric binder.... | 03/21/1989 |
| 4814294 | Method of growing cobalt silicide films by chemical vapor deposition This invention relates to an improved method of depositing cobalt silicide films on a substrate by chemical vapor deposition at a temperature range of about 100°-400° C. By employing two separate precursors of, preferably, for cobalt, comprised of cobal... | 03/21/1989 |
| 4809283 | Method of manufacturing chromium-doped beryllium aluminate laser rod and lasers incorporating the rods therein The invention relates to an improved method of making a beryllium aluminate laser rod wherein a crystal is grown by the Czochraslshi technique by core drilling and grinding. The improvement resides in heat treating the rod to release mechanical stresses i... | 02/28/1989 |
| 4805686 | An apparatus for forming aluminum-transition metal alloys having high strength at elevated temperatures The invention provides an aluminum based alloy consisting essentially of the formula Albal Fea Xb, wherein X is at least one element selected from the group consisting of Zn, Co, Ni, Cr, Mo, V, Zr, Ti, Y and Ce, "a" ranges... | 02/21/1989 |
| 4804594 | Predoped conductive polymers as battery electrode materials This invention relates to novel electrodes for use in batteries, and to batteries containing the electrodes, which electrodes comprise a conjugated backbone polymer which has been predoped with an anionic or cationic dopant prior to fabrication into a bat... | 02/14/1989 |
| 4804630 | Kit and method for detecting lithium ions A kit and method for detecting lithium ions in a sample. The kit includes a lithium ion selective color indicator which is a leuco precursor of an arylmethane dye dispersed in a matrix. In use, the color indicator is contacted with a sample and any color ... | 02/14/1989 |
| 4804427 | Composites via in-situ polymerization of composite matrices using a polymerization initiator bound to a fiber coating This invention is directed to a process of forming composites comprising reinforcing fibers dispersed in a thermoplastic polymer matrix, said process comprising the steps of coating a reinforcing fiber with a curable resin and an initiator for the curing ... | 02/14/1989 |
| 4803097 | Metal plating of plastic materials This invention relates to a process for conditioning the surfaces of natural and synthetic plastic materials for electroless plating of a metal coating thereon exposing such materials to an atmosphere comprising ozone, contacting said exposed materials wi... | 02/07/1989 |
| 4794048 | Ceramic coated metal substrates for electronic applications The present invention is directed to a ceramic coated metal substrate having improved processibility characteristics in the manufacture of electronic devices, as for example electronic circuits, and to processes for manufacture of such devices.... | 12/27/1988 |
| 4793936 | Method of recovering alkali metal fluorides from organic slurry A method for recovering organic ether solvent and alkali metal fluoride from a slurry thereof such as may be formed as a byproduct in silane manufacture. First water is added to a slurry having an organic ether liquid phase and a finely-divided solid phas... | 12/27/1988 |
| 4791927 | Dual-wavelength laser scalpel background of the invention A medical laser provides to a biological target both a laser wavelength in the deep red-near infrared region of the spectrum and a wavelength in the blue-near ultraviolet region. The short wavelength blue light cuts the target tissue, while the longer-wav... | 12/20/1988 |
| 4792639 | Process for the production of methyl ethers from branched monoolefins An improved process for the production of methyl ethers of the type in which methanol is reacted with a branched monoolefin in the presence of a catalytically effective amount of one or more acid catalyst, said improvements comprising carrying out said re... | 12/20/1988 |
| 4792791 | Lubricant oil monitoring system and method of monitoring lubricant oil quality The invention relates to a sensor system for in-situ monitoring of lubricant oil quality. The sensor system consists of a sensing element located in-situ in contact with lubricant oil. The sensor is corrodable and upon deterioration of the oil the sensor ... | 12/20/1988 |
| 4789748 | Process for preparing electrically conductive poly(isothianaphthene) from 1,3-dihydroisothianaphthene A process for preparing electrically conductive poly(isothianaphthene) from 1,3-dihydroisothianaphthene by exposing an intimate mixture of 1,3-dihydroisothianaphthene and a oxidant/dopant such as ferric chloride to oxygen.... | 12/06/1988 |
| 4785137 | Novel nickel/indium/other metal alloy for use in the manufacture of electrical contact areas of electrical devices This invention relates to electrical devices in which the electrical contact areas are plated with a nickel/indium/other metal alloy.... | 11/15/1988 |
| 4783329 | Hydriding solid solution alloys having a body centered cubic structure stabilized by quenching near euctectoid compositions The present invention relates to the reaction of hydrogen gas with alloys having body-centered cubic phase structure at a temperature of less than 100° C. which comprise titanium and a second metal selected from the group consisting of zirconium, rhenium... | 11/08/1988 |
| 4782332 | Lubricant oil monitoring system, sensor for monitoring lubricant oil quality and method of manufacturing sensor for monitoring lubricant oil quality The invention relates to an improved sensor for use in-situ in an electrical circuit which sensor corrodes as a result of deterioration of the oil and provides a changing electrical current due to increased resistance resulting from said corrosion. The se... | 11/01/1988 |
