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| Patent # | Description |
|---|---|
| US-4,493,944 |
Solder glass and electrical device employing same A solder glass comprising, by weight, about 65% Sb.sub.2 O.sub.3 ; about 30% B.sub.2 O.sub.3 ; and about 5% PbO. The glass is molten at about 350.degree. C. and... |
| US-4,493,943 |
Electrical insulating oil and oil-filled electrical appliances An improved electrical insulating oil and oil-filled electrical appliances impregnated therewith. The electrical insulating oil is quite suitable for use in... |
| US-4,493,942 |
Solar cell with two-dimensional reflecting diffraction grating A solar cell which includes a thin layer of active material bounded on the side toward the incident light with an antireflection coating and bounded on the other... |
| US-4,493,941 |
Hetero-face solar cell and method of manufacturing the same In a hetero-face type solar cell, an impurity concentration distribution is formed in the cell element so as to provide an accelerative electric field therein.... |
| US-4,493,940 |
Sunlight-into-energy conversion apparatus The present application discloses a sunlight-into-electrical and thermal energy conversion apparatus wherein a heat collecting plate fitted with a heating medium... |
| US-4,493,939 |
Method and apparatus for fabricating a thermoelectric array A method and apparatus for fabricating a thermoelectric device includes forming a matrix board (12) with an array of orifices (100) formed therein. A plurality... |
| US-4,493,938 |
Method for the production of thioalkylene glycols This invention is concerned with a method for the production of thioalkylene glycols by using the reaction solvent containing mainly the thioalkylene glycol, the... |
| US-4,493,937 |
2-Dimethylamino-2-parahydroxyphenyl sodium acetate, preparation process
and application thereof to production... The invention relates to crystallized 2-dimethylamino-2-parahydroxyphenyl sodium acetate, anhydrous or with 2 molecules of water. The process for preparation... |
| US-4,493,936 |
2-Cyano-tetrahydrofuran-5-methanols Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are H or alkyl; n is 0 or 1 and R is an unsaturated moiety, are useful as herbicides and plant... |
| US-4,493,935 |
Preparation of 1H-pyrrol-2-acetic acid esters A process for the preparation of esters of 1H-pyrrol-2-acetic acids of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of... |
| US-4,493,934 |
2(3-Amino-2-oxopyrrolidin-1-yl) acetic acid and n-acylated derivatives
thereof Novel peptides of the formula: ##STR1## where A through G, X and Y are various amino acids and substituents; having long lasting LHRH agonist and antagonist... |
| US-4,493,933 |
Manufacture of antibiotics The invention provides crystalline (Z)-2-(2-t-butoxycarbonyl-prop-2-oxyimino)-2-(2-triphenylmethylaminothiazo l-4-yl)acetic acid in association with dioxan and... |
| US-4,493,932 |
Chlorine exchange for fluorine in 2-fluoro-pyridine compounds 2-Fluoro-pyridine compounds are contacted with a chlorinating agent at superatmospheric pressures to yield 2-chloro-pyridine compounds. |
| US-4,493,931 |
Process for the preparation of .beta.-cyclo-substituted ethylamines The present invention provides a multistep process for the preparation of .beta.-cyclo-substituted ethylamines of the general formula:- in which AR is a heterocyclic... |
| US-4,493,930 |
Medicinal 2-acetyl- and 2-propionylpyridine thiosemicarbazones and
preparation thereof This invention relates to various 2-acetyl- and 2-propionylpyridine thiosemicarbazones which are substituted on the 4-nitrogen atom. These compounds are useful... |
| US-4,493,929 |
Preparation of 2-alkylpyrimidines 2-Alkylpyrimidines are obtained in a one step reaction which comprises the dehydrogenation of a 2-alkyltetrahydropyrimidine over a supported noble metal catalyst... |
| US-4,493,928 |
Crosslinked chitin derivatives A novel crosslinked polymeric substance and a process for preparing the novel crosslinked polymeric substance are disclosed, the novel crosslinked polymeric... |
| US-4,493,927 |
Condensation polymers of sulfur compounds and norbornenyl compounds Condensation polymers having sulfur containing backbones exhibit high char formation properties. Polymers are prepared, for example, by reacting sodium... |
| US-4,493,926 |
Dissociating ionically cross-linked siloxane polymers A method is provided wherein ionically cross-linked zwitterionic siloxane polymers are solubilized by the addition of a weak base to a combination of the... |
| US-4,493,925 |
Rubber compositions and method for treating rubber with hydroxymethyl
sulfinic salts Rubber compositions are shown comprising diene rubber and salts of hydroxymethylsulfinic acid which exhibit improved green strength and/or tack properties.... |
| US-4,493,924 |
Water-curable, silane modified chlorosulfonated olefinic polymers and a
process for the preparation thereof Water-curable, silane modified chlorosulfonated olefinic polymers, particularly desirable for use as coverings about wires and cables, produced by reacting a... |
| US-4,493,923 |
High notched impact toughness propylene polymer compositions Blends of sequentially polymerized ethylene-propylene copolymers, high density ethylene homopolymers, EPM or EPDM rubber and linear low density polyethylene... |
| US-4,493,922 |
Impact-resistant thermoplastic molding material An impact-resistant thermoplastic molding material, containing polystyrene as the matrix, and, dispersed therein, two elastomeric polymers or copolymers I and II... |
| US-4,493,921 |
Impact resistant blend High impact strength blends based on thermoplastic polyester resin, aromatic polycarbonate resin and graft copolymers of EPDM or EPM. |
| US-4,493,920 |
Polymer compositions A polymer composition comprising a thermoplastic polycarbonate and a terpolymer of recurring units of a monovinyl aromatic monomer recurring units of a maleimide... |
| US-4,493,919 |
Polymer blend composition comprising two block polymers a vinyl aromatic
copolymer and a polyester A thermoplastic molding composition having good low temperature properties in addition to low distortion at paint bake temperatures comprises the blend of a... |
| US-4,493,918 |
Silicate filled polyolefin resin composites Silicate filled polyolefin resin composites exhibit improved mechanical properties if the silicate filler and polyolefin resin are specially combined with... |
| US-4,493,917 |
Blend of polymers, its preparation and its application to the
manufacture of components of electrochemical reactors The present invention relates to a plastic blend of polymers, capable of being injected and extruded, the process for producing it and its applications. This... |
| US-4,493,916 |
Method for extension of pot life in curing reactions The present invention relates to a method of avoiding a too rapid curing reaction in production processes where a prepolymer is cured, giving an extension of the... |
| US-4,493,915 |
Light stable thermoplastic polyphenylene ether resin compositions
comprising purple anthrapyridone dye or... A thermoplastic composition having improved resistance to discoloration upon exposure to light, comprising: a thermoplastic resin base polymer; and at least one dye... |
| US-4,493,914 |
Stabilized dispersion of cross-linked polymer particles Crosslinked, preferably acrylic, preferably melamine crosslinked, polymer particles formed by reactions comprising free radical addition polymerization of: (a)... |
| US-4,493,913 |
Flame resistant resin composition A flame resistant resin composition comprising (a) a synthetic resin, (b) red phosphorus coated with a thermosetting resin and (c) a filler. The coated red... |
| US-4,493,912 |
Electromagnetic wave attenuating composition A method of preparing a novel electromagnetic wave attenuating composition comprising forming a curable film forming coating composition and thereafter... |
| US-4,493,911 |
Nonadhesive impression material Impression materials based on cross-linked aziridino-polyester compounds which tend to adhere to the surface to be reproduced, are made nonadhesive by the... |
| US-4,493,910 |
Fluorine-containing hydrogel-forming polymeric materials Polymeric materials suitable for bio-medical applications, particularly in making contact lenses, are derived by reaction of the following: (1) 20 to 40 mole % of a... |
| US-4,493,909 |
Poly-N,N-hydroxyalkylamides of polybasic carboxylic acids and a process
for the production thereof A polycarboxylic acid alkyl or aryl ester corresponding to the formula ##STR1## is reacted with a dialkanolamine corresponding to the formula at a temperature... |
| US-4,493,908 |
Stable dispersions of polymers in polyfunctional compounds having a
plurality of active hydrogens A stable copolymer dispersion is prepared by addition copolymerization of (1) a monomeric adduct of an active hydrogen compound, e.g., a polyether polyol or... |
| US-4,493,907 |
Method of using higher concentration sulfuric acid for stripping and
precipitation of adsorbed magnesium This invention relates to the regeneration of cation exchanger resin containing adsorbed magnesium ions, and the recovery of the magnesium as a crystalline... |
| US-4,493,906 |
Catalyst for the selective hydrogenation of acetylenes An improved catalyst for removal of acetylenes from liquid hydrocarbon streams with a minimum loss of diolefinic unsaturation present in said liquid composition... |
| US-4,493,905 |
Fluid bed catalyst for synthesis gas conversion and utilization thereof
for preparation of diesel fuel A catalyst useful in the conversion of synthesis gas to diesel fuel in a fluidized bed is prepared by contacting finely divided alumina with an aqueous... |
| US-4,493,904 |
Catalyst and method for preparation of drag reducing substances An improved Ziegler/Natta catalyst for the polymerization of .alpha.-olefins containing from 2 to 30 carbon atoms, comprising titanium halide and organoaluminum... |
| US-4,493,903 |
Polymerization process for drag reducing substances A method is provided for the production of ultrahigh molecular weight drag reducing substances and the like comprising: (a) preparing under an inert atmosphere a... |
| US-4,493,902 |
Fluid catalytic cracking catalyst comprising microspheres containing
more than about 40 percent by weight... This application discloses novel fluid catalytic cracking catalysts comprising microspheres containing more than about 40%, preferably 50-70%, by weight... |
| US-4,493,901 |
Regeneration process of an aromatization catalyst containing a Group
VIII metal on a zeolite The invention relates to a process for the regeneration of an aromatization catalyst containing a metal of Group VIII supported on zeolite, the process being... |
| US-4,493,900 |
Low melting enamel frits A low melting enamel frit which comprises 31 to 39 wt % of SiO.sub.2, 13 to 21 wt % of B.sub.2 O.sub.3, 14 to 21 wt % of Na.sub.2 O, 1 to 5 wt % of K.sub.2 O, 5... |
| US-4,493,899 |
Method of testing for particular antibodies in the serum of a patient A method is provided for testing for particular antibodies in the serum of a patient. The antibodies may be those of systemic lupus erythematosus and may... |
| US-4,493,898 |
Method for detecting and monitoring cancer A method for diagnosing and monitoring cancer, which comprises precipitating certain components from blood serum by addition of a benzenesulfonic acid or a... |
| US-4,493,897 |
Method for measuring an electrolyte in an automatic biochemical
analyzing apparatus wherein a flame photometer... An electrolyte in a sample is stably measured by using an automatic biochemical analyzing apparatus wherein a flame photometer is assembled, which comprises a... |
| US-4,493,896 |
Dual chamber microplate washer A novel apparatus is disclosed for the alternate filling and evacuation of all wells simultaneously of a multi-well microplate. The apparatus consists of a flat,... |
| US-4,493,895 |
Microbial degradation of obnoxious organic wastes into innocuous
materials This invention relates to microbial methods and materials useful in the degradation of organic chemicals having toxic and obnoxious characteristics into... |
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