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Patent # Description
US-4,003,893 3-Heterothio[(thioalkyl)thioacetyl]cephalosporanic derivatives
3-Heterothio[(thioalkyl)thioacetyl]cephalosporin derivatives which have the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl,...
US-4,003,892 Method of separating thionine and its N-methyl derivatives from each other
Mixtures of cationic thiazine dyes containing two or more members of the group consisting of thionine, azure A, azure B, azure C, and methylene blue may be...
US-4,003,891 Preparation of metal complexes of 6-methoxy-1-phenazinol 5,10 dioxide
A novel improved procedure is described for the preparation of various metal complexes of 6-methoxy-1-phenazinol 5,10-dioxide by the reaction between...
US-4,003,890 Benzylidene pyrano[4,3-c]pyrazoles
Compounds having the formula wherein R.sub.1 is hydrogen, hydroxy, alkyl, alkoxy, alkylthio, trifluoromethyl, halogen, nitro, cyano, dialkylamino or ...
US-4,003,889 1,3-Diaryl-2-pyrazoline derivatives
Disclosed are compounds of formula I, ##STR1## in which either R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each signifies a hydrogen...
US-4,003,888 Aminoalkyl ethers of 2- and 3-hydroxybenzil
Dialkylaminoalkyl ethers of 2- and 3-hydroxybenzil are prepared by reacting the thallium salt of 2- or 3-hydroxybenzil with a dialkylaminoalkylchloride. The...
US-4,003,887 Novel penicillins and their preparation
Novel penicillins of the formula: ##STR1## wherein the ring A is a benzene ring or a 5 or 6-membered heteroaromatic ring containing one or two nitrogen...
US-4,003,886 Tetracarboxylic acid ester substituted disazo pigments
A compound of the formula ##STR1## in which A represents phenylene which may be substituted by chlorine, bromine, methyl, methoxy, ethoxy or cyano, X...
US-4,003,885 Tetrakisazo compounds having a 1-hydroxy-2-(4'-(2"-sulfoanilino)phenylazo)-3,6-disulfo-7-(optionally ...
Compounds of the formula ##STR1## in which X signifies hydrogen, halogen or --SO.sub.3 M, M signifies hydrogen or a non-chromophoric cation, and K.sub.1 and...
US-4,003,884 Peptides having LH-RH/FSH-RH activity
Peptides having LH-RH/FSH-RH activity useful for treatment of male and female sterility.
US-4,003,883 Polyesterether having commercially acceptable mold release characteristics
Disclosed is a polyesterether having a critical range of poly(alkylene oxide) glycol. Articles molded from this polyesterether exhibit unobvious mold release...
US-4,003,882 Polyesterether having commercially acceptable mold release characteristics
Disclosed is a polyesterether having a critical range of poly(alkylene oxide) glycol. Articles molded from this polyesterether exhibit unobvious mold release...
US-4,003,881 Polyester polymer recovery from dyed polyester fabrics
Polyester polymer is recovered from polyester fibers (in the form of filaments, yarns or fabrics and the like, both dyed and undyed), and used in the production...
US-4,003,880 Fabric dye stripping, separation and recovery of polyester
Polyester polymer is recovered from mixed collections of fibers in the form of fibers, filaments, or fabrics (including dyed or undyed fibers other than...
US-4,003,879 Polyamides
A polyamide comprising repeating units having the structure I ##STR1## in which A is a bivalent aliphatic, cycloaliphatic or araliphatic residue containing...
US-4,003,878 Method of preparing an alkali-metal salt of an alkoxysulfonated benzoic acid glycol ester
An alkali-metal salt of an alkoxysulfonated benzoic acid glycol ester is prepared by reacting a meta- or para-hydroxy substituted benzoic acid with an...
US-4,003,877 Photopolymerizable screen printing inks for permanent coatings prepared from aryloxyalkyl compositions
Highly durable coatings are formed by the photopolymerization of screen printing inks containing aryloxyalkyl acrylate monomers or prepolymers, a polymerizable...
US-4,003,876 Super cooled M-phenylene diamine as a curing agent for epoxy resins
A method for combining a curing agent with an epoxide resin which compris (a) heating a normally solid non-adulterated aromatic polyamine to a temperature above...
US-4,003,875 Asymmetrical oxalic acid diaryl amide stabilizers
The invention concerns specific new oxalic acid diarylamides which are characterized by an asymmetrical substitution with regard to the central oxalic amide...
US-4,003,874 Producing glass-reinforced polyolefin compositions
A modified polyolefin obtained by adding to 100 parts by weight of a polyolefin 0.01 to 0.8 parts by weight of an unsaturated carboxylic acid or anhydride...
US-4,003,873 Cement-phenolic resin compositions
Mixtures of curable neutral and acid-catalyzed phenol-aldehyde resins and portland cement have been found to provide fast-curing, durable adhesive bonds for...
US-4,003,872 Metal-pigmented plastic powder and process
A process for producing a polished metal flake pigmented, plastic powder product, which process includes brush polishing metal flake particles and plastic...
US-4,003,871 High solids styrene-butadiene emulsions
An improved process for preparing high solids predominantly styrene-butadiene copolymer aqueous emulsions is disclosed which process comprises pre-emulsifying a...
US-4,003,870 Polymeric thickeners
A group of novel amphipathic copolymers of poly(ethylene glycol) acrylate or methacrylate and methyl acrylate or methacrylate is disclosed. The copolymers are...
US-4,003,869 Ethylene-propylene copolymer emulsions
Stable emulsions of ethylene-propylene copolymer are former by copolymerizing ethylene and propylene under elevated temperature and pressure conditions in the...
US-4,003,868 Ink or coating compositions of low volatility
Liquid ink or coating compositions that can be cured by thermal treatment or by a combination of ionizing or non-ionizing radiation and a thermal treatment are...
US-4,003,867 Glass mold coating dispersion of aluminum phosphate and resinous agent, pigment, stabilizer and dispersing agents
A new coating composition, coated article and method are disclosed herein dealing with the preparation of coated surfaces which are useful, for example, in glass...
US-4,003,866 Construction material and a process for producing the same
A construction material and a process for the preparation thereof, which material comprises a plastic component constituted of a thermoplastic resin; and a...
US-4,003,865 Enzyme inhibitors, uses and compositions containing same
Adducts of formaldehyde and selected amines (primary and secondary) and their use as enzyme inhibitors in aqueous systems containing cellulosic substances and...
US-4,003,864 Intumescent composition
Intumescent amine-aldehyde copolymer compositions having improved UV stability are obtained by incorporating about 0.5-75% by weight of a polyol polyacrylate or...
US-4,003,863 Novel intumescent composition
Intumescent amine-aldehyde copolymer/epoxy resin compositions having improved UV stability are obtained by incorporating about 0.5-75% by weight of a polyol...
US-4,003,862 N-substituted tetrahalophthalimides as flame retardants
Disclosed are novel compounds of the formula ##STR1## WHEREIN EACH X is independently selected from chlorine or bromine, R is alkylene having from 1 to 6...
US-4,003,861 Melamine pyrophosphate as flame-retardant in polyurethane foam compositions
A method of flame-retarding polyurethane foams wherein melamine pyrophosphate is added thereto and the resultant flame-retarded foams per se, are disclosed.
US-4,003,860 Nonshrink cellular rubber composition
A cured cellular rubber composition having good resistance to shrinkage comprising a blend of a monovinyl-substituted aromatic compound/diene copolymer and an...
US-4,003,859 Novel process for trimerizing polyisocyanates
A novel catalyst combination for the trimerization of polyisocyanates to polyisocyanurates is disclosed. The catalyst combination comprises (i) a tertiary amine...
US-4,003,858 Process for producing expandible styrene polymers useful in the manufacture of shaped cellular articles
Expandible particles of styrene polymers are prepared by a process in which the polymerization of styrene, or of mixtures of styrene and monomers copolymerizable...
US-4,003,857 Concentrated aqueous olefins sulfonates containing carboxylic acid salt anti-gelling agents
The present invention discloses novel aqueous olefin sulfonate compositions containing 50 percent or less of water and which can be conducted through piping...
US-4,003,856 Oil-soluble composition for removing iron sulfide and sludge from metal surfaces
An oil-soluble composition capable of removing iron sulfide and sludge from metal surfaces and a method of such removal of iron sulfide and sludge from metal...
US-4,003,855 Nonlinear resistor material and method of manufacture
The zinc oxide grain size and breakdown voltage characteristics of polycrystalline zinc oxide varistors may be controlled by adjusting sintering times and...
US-4,003,854 Catalyst of supported vanadium oxide and manganese oxide and method of producing same
The catalyst for selective removal of nitrogen oxides from waste gases is actually vanadium oxide and manganese oxide applied to an inert carrier. Said metal...
US-4,003,853 Method of activating a supported olefin conversion catalyst
Supported olefin conversion catalysts are activated by a method which comprises calcining the catalyst, impregnating the calcined catalyst with an alcoholic...
US-4,003,852 Nonacidic multimetallic dehydrogenation catalyst
Dehydrogenatable hydrocarbons are dehydrogenated by contacting them at dehydrogenation conditions with a nonacidic multimetallic catalytic composite comprising a...
US-4,003,851 Stable alumina catalyst support, process therefor, and promoted support
An alumina catalyst support substantially free of thermal skrinkage and having desirable physical properties is disclosed which is obtained by heating an alumina...
US-4,003,850 Novel iron oxide catalysts
Iron oxide catalysts prepared by absorbing iron pentacarbonyl upon a suitable support followed by oxidation to iron oxide.
US-4,003,849 Lead/chloride/alumina isomerization catalyst for gasoline
A heavy gasoline fraction having a relatively low research octane number as for instance a fraction obtained from a cat cracker gasoline is passed over a...
US-4,003,848 Method for the adsorption of sulfur dioxide
Sulfur dioxide can be adsorbed from gas mixtures using cross-linked, water-insoluble polymers of N-glycidyl piperazine or N-glycidyl polyalkylpiperazines as the...
US-4,003,847 Solvent solutions of siloxane fluids
A solvent-solution of a cyanoalkyl modified siloxane fluid.
US-4,003,846 Process for the encapsulating of substances immiscible with water
A process for the encapsulating of substances immiscible with water by dispersing the substance to be encapsulated in a distribution medium in the presence of a...
US-4,003,845 Luminescent material
Luminescent cerium- and manganese-activated aluminate which is defined by the formula La.sub.1.sub.-x.sub.-p Ba.sub.x Ce.sub.p Al.sub.y.sub.-q Mn.sub.q ...
US-4,003,844 Liquid crystal devices
The addition of certain nitrobenzene compounds to liquid crystal compositions having positive dielectric anisotropy, lowers the threshold voltage of...
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