Abstract: The invention relates to a solution for controlling the performance of the ionic exchange chromatography column of HPLC apparatuses, and more particularly of the AUTO A1C HA 8110-8111 apparatus with a MICROPEARL S-F-W-A1C column, said solution being made up of a lyophilic hemolysate comprising hemoglobin, monobasic potassium phosphate, dibasic potassium phosphate, .alpha.-D-ribose, guanine, cytosine, thymine and uracil, and a solvent, for restoring the lyophilic hemolysate, comprising a nonionic surface active agent such as TRITON X-100, a bacteriostatic agent, such as for instance sodium azide, and water, and it also relates to a process for the production of said solution.

Abstract: An aqueous ultra-dilute composite solution, which comprises 1.4.times.10.sup.-7 to 2.7.times.10.sup.3 ppm of a chlorine ion, and 4.times.10.sup.-12 to 4.times.10.sup.-3 ppm of a sodium ion or 7.times.10.sup.-8 to 1.3.times.10.sup.3 ppm of an iron ion, and is capable of forming sodium chloride having an oblate tetrahedral crystal form.

Abstract: A process for producing 2,2-dimethyl-3-hydroxypropyl-2,2-dimethyl-3-hydroxypropionate (HPN) and neopentyl glycol (NP) blends from a neopentyl glycol production by-product stream containing neopentyl glycol, hydroxypivalic acid, and HPN using an acid catalyst.

Abstract: Tris(isonitrile)copper(I) complex salts with anions selected from BF.sub.4, PF.sub.6, ClO.sub.4, I, Br, Cl and CF.sub.3 COO are useful in preparing radionuclide complexes rapidly at room temperature. Preferred isonitrile ligands are ether isonitriles. The tris(isonitrile)copper(I) adducts enable technetium complexes, such as those of Tc99m, to be prepared easily just prior to their use as imaging agents.

Abstract: The instant invention relates to a method for converting phosphorus containing polymers from a two dimensional, layered structure into a three dimensional structure by crosslinking such layers. The method and the resulting crosslinked polymers may be used to encapsulate active materials such as catalysts, pesticides, etc. by intercalating such active materials between the layers prior to crosslinking. Thus, the egress of said active materials into the environment during use may be hindered or prevented. The crosslinked polymers, themselves, may also be used as catalysts or as selective sorbents.

Abstract: The present invention provides an antistatic composition comprising a binder, a cyclic phosphazene, and a salt that complexes with the cyclic phosphazene. The cyclic phosphazene has the general formula ##STR1## wherein x is 3 or 4.

Abstract: The present invention relates to a solution for dialyses based on bicarbonate ions and containing a peptide based on glycine, as well as to the use of this peptide for the preparation of such a solution.

Abstract: Process for specifically influencing the triboelectric effect of azo pigments in electrophotographic toners or developers or in powders for surface coating by adding to the azo pigments at the coupling reaction stage, at the laking stage or in the course of finishing at least one saltlike, cationic compound whose positively charged center is a nitrogen, phosphorus, arsenic or antimony atom or the group ##STR1## and use of such azo pigments for producing toners or developers used for the electrophotographic copying or manifolding of originals or for printing electronically, optically or magnetically stored data or in colorproofing or use of such azo pigments for producing powders or powder coatings used for the surface coating of articles made of metal, wood, plastics, glass, ceramics, concrete, textile material, paper or rubber.

Abstract: This invention comprises improvements to processes for the catalytic cracking of hydrocarbon feedstocks. One such improvement to catalytic cracking processes provides compositions comprising metals passivating agents having an increased degree of stability. These compositions comprise aqueous suspensions of antimony by vinyl copolymers, aqueous suspensions of antimony oxide by diesters of phosphoric acid, or aqueous suspensions of antimony oxide by cellulose derivatives. Another improvement to catalytic cracking processes provides a process for reducing the viscosity of liquid suspensions of metals passivating agents without substantially reducing the stability of the liquid suspension by the utilization of at least two different particle ranges of metals passivating agents. A further improvement to catalytic cracking processes provides an efficient utilization of metals passivating agents by introducing the selected agent into the catalyst regeneration cycle of a catalytic cracking unit.

Abstract: This invention comprises improvements to processes for the catalytic cracking of hydrocarbon feedstocks. One such improvement to catalytic cracking processes provides compositions comprising metals passivating agents having an increased degree of stability. These compositions comprise aqueous suspensions of antimony by vinyl copolymers, aqueous suspensions of antimony oxide by diesters of phosphoric acid, or aqueous suspensions of antimony oxide by cellulose derivatives. Another improvement to catalytic cracking processes provides a process for reducing the viscosity of liquid suspensions of metals passivating agents without substantially reducing the stability of the liquid suspension by the utilization of at least two different particle ranges of metals passivating agents. A further improvement to catalytic cracking processes provides an efficient utilization of metals passivating agents by introducing the selected agent into the catalyst regeneration cycle of a catalytic cracking unit.

Abstract: A polyspecific anti-leukocyte antibody conjugate for targeting foci of leukocyte accretion comprises an immunoreactive polyspecific composite of at least two different substantially monospecific antibodies or antibody fragments, conjugated to at least one imaging agent, wherein at least two of said antibodies or antibody fragments specifically bind to different leukocyte cell types.A method for targeting an imaging agent to an inflammatory or infectious lesion comprises injecting a mammal parenterally with an effective amount for targeting of the above anti-leukocyte imaging conjugate.A therapeutic anti-leukocyte antibody-agent conjugate for targeting foci of leukocyte accretion comprises at least one immunoreactive substantially monospecific antibody or antibody fragment which specifically binds to at least one leukocyte cell type, conjugated to at least one therapeutic antimicrobial agent.

Abstract: A dialysate solution suitable for peritoneal dialysis and containing hydroxypropyl-beta-cyclodextrin is disclosed.

Abstract: High yields of glycolic and oxalic acids, as well as good yields of lactic, formic, and acetic acids are produced from polysaccharide-containing materials by reacting the materials in a concentrated alkaline solution at elevated temperatures.

Abstract: Tris(isonitrile)copper(I) complex salts with anions selected from BF.sub.4, PF.sub.6, ClO.sub.4, I, Br, Cl and CF.sub.3 COO are useful in preparing radionuclide complexes rapidly at room temperature. Preferred isonitrile ligands are ether isonitriles. The tris(isonitrile)copper(I) adducts enable technetium complexes, such as those of Tc99m, to be prepared easily just prior to their use as imaging agents.

Abstract: An aqueous solution of the monocarboxylates of Y, Ba, and Cu is spray dried, providing a contaminant-free non-hygroscopic product which is homogeneous at the atomic level. In a preferred embodiment Y, Ba, and Cu acetates are used in a molecular ratio of 1:2:3, giving a product which can be calcined to give a superconducting mixed oxide, YBa.sub.2 Cu.sub.3 O.sub.x, where x is 6.8-7.0.

Abstract: An improved Direct Reaction process which comprises reacting an organohalide with an activated silicon composition, the improvement comprising maintaining the composition of the activated silicon so that it comprises, based on the amount of silicon, 0.05-10 wt. % catalyst; an effective amount of promoter, and 0.001-0.1 wt. % tin, wherein the promoter to tin ratio is 10-250. Activated silicon compositions and methods for selecting a catalyst composition also are provided.

Abstract: The present invention provides an immersion oil for microscopy, especially suitably a fluorescence microscopy which is superior in properties required for immersion oil for microscopy. This immersion oil comprises a phthalic acid dialkyl ester and a chlorinated paraffin.

Abstract: Corrosion of ferrous metal and aluminum surfaces, in particular, is inhibited by a layer of an organic-metallic complex of a polyamine with a (i) metal oxide, or (ii) metallate ion, or (iii) water-soluble metallate salt, in aqueous systems having a pH greater than about 7. The polyamine contains at least four (4) amine groups, two of which are secondary amine groups. The effect of the N atoms stretched over the length of the polyamine produces a "caging effect"0 which immobilizes the oxide, or metallate ions, thus forming the protective layer. The organic-metallic complex deposited on the metal's surface forms the "amine-metallic" layer which may be either an "amine-metal oxide complex" which is a coordination complex, or, an "amine-metallate complex". The amine-metallate complex may be either an ionic complex of "amine.

Abstract: The invention provides an immersion oil composition for microscope especially suitable for use in the microscopic study using a fluorescence microscope by virtue of the greatly decreased fluorescence emission under ultraviolet irradiation in comparison with conventional immersion oils. The inventive immersion oil composition comprises a liquid dienic polymer, e.g. liquid polybutadiene, as a first component and, as a second component, one or a combination of compounds including (a) chlorinated paraffins, (b) polybutene, (c) carboxylic acid esters, (d) liquid paraffins, (e) saturated aliphatic alcohols and (f) alicyclic alcohols; said composition having a refractive index in the from 1.501 to 1.519 and a Abbe's number in the range from 40 to 46.

Abstract: This invention is directed to dry, free-flowing, stable readily soluble, non-caking, particulate solid products which are readily soluble in water and which are useful for preparing solutions for use in hemodialysis and peritoneal dialysis and to the preparation of these granular products.

Abstract: Crystalline calcium sodium metaphosphate is prepared by (a) forming a wet mix slurry having a composition on a dry basis equivalent to a CaO/Na.sub.2 O/P.sub.2 O.sub.5 mol percent ratio of about 24.0-34.0/12.0-18.0/50.0-60.0, with the proviso that the CaO/Na.sub.2 O mol ratio is from about 1.60 to about 2.00, (b) forming and growing product crystals of calcium sodium metaphosphate under crystal formation and growth conditions between the solid phase of the wet mix slurry and substrate crystals of calcium sodium metaphosphate.

Abstract: Substantially crystalline calcium sodium metaphosphate having a degree of crystallinity from about 60% to about 75% as determined from density and differential thermal analysis measurements is prepared by (a) forming a dry mixture of source materials for CaO, Na.sub.2 O, and P.sub.2 O.sub.5 in proportions sufficient to provide a CaO/Na.sub.2 O/P.sub.2 O.sub.5 mol percent ratio on a dry basis of about 29.0-34.0/16.0-18.0/50.0-53.0 and (b) heating the mixture at a temperature and for a time sufficient devolatilize the mixture and calcine the resulting mixture to form the substantially crystalline calcium soldium metaphosphate.

Abstract: Substantially crystalline calcium sodium metaphosphate having a degree of crystallinity from about 60% to about 75% as determined from density and differential thermal analysis measurements is prepared by (a) bringing together in water source materials for CaO, Na.sub.2 O, and P.sub.2 O.sub.5 in proportions sufficient to provide a CaO/Na.sub.2 O/P.sub.2 O.sub.5 mol percent ratio on a dry basis of about 29.0-34.0/16.0-18.0/50.0-53.0 and form a wet mix slurry containing a solid phase and an aqueous liquid phase and (b) heating the wet mix slurry at a temperature and for a time sufficient to remove the aqueous liquid phase and calcine the resulting solid phase to form the substantially crystalline calcium sodium metaphosphate.

Abstract: Solutions of complexed mixed soaps of vanadium and at least one other metal in organic solvents are produced by the reaction of an inorganic vanadium compound, an oxidizable metal, and an organic monocarboxylic acid, in the presence of oxygen, water, and an inert, water-immiscible organic solvent.

Abstract: Asbestiform crystalline calcium sodium metaphosphate fiber is prepared by (a) forming a wet mix slurry having a composition on a dry basis equivalent to a CaO/Na.sub.2 O/P.sub.2 O.sub.5 mol percent ratio of about 24.0-34.0/12.0-18.0/50.0-60.0, with the proviso that the CaO/Na.sub.2 O mol ratio is from about 1.60 to about 2.00, (b) forming and growing product crystals of calcium sodium metaphosphate under crystal formation and growth conditions between the solid phase of the wet mix slurry and substrate crystals of calcium sodium metaphosphate, and (c) fiberizing the product crystals of calcium sodium metaphosphate.

Abstract: A process for the production of crystalline alkali metal aluminum phosphate represented by the formulaNa.sub.a K.sub.b H.sub.c Al.sub.d (PO.sub.4).sub.e.xH.sub.2 Owherein a has a value of from 0.5 to 1.5, b has a value of from 0 to 0.5, c has a value of from 12 to 16, d has a value of from 2.7 to 3.3, e has a value of from 7 to 9 and x has a value of from 3 to 6, and wherein a+b+c+3d=3e, comprises mixing phosphoric acid, sodium hydroxide or sodium carbonate and potassium hydroxide or potassium carbonate in aqueous solution with aluminum hydroxide, potassium oxide or aluminum oxide hydrate in amounts defined by the above formula, with a content of free water in solution ranging from 5 to 44%. The reaction mixture is then heated at a temperature of from 80.degree. to 200.degree. C. (if necessary, under elevated pressure) such that partial crystallization takes place. The free water is thereafter completely removed, if necessary under reduced pressure, at a temperature between about 60.degree. to 130.degree. C.

Abstract: A novel elution complex is provided more especially for affinity chromatography and affinity precipitation for recovering in particular luciferase hexokinase and lactate dehydrogenase.This complex comprises 1 mM to 30 mM of MgSO.sub.4, from 30 mM to 50 mM of EDTA, possibly about 5 mM of ribose or mannose and possibly about 1 mM of DTT.

Abstract: The invention provides a method of vaporizing and a device capable of thermally vaporizing a thermally vaporizable composition being drawn up by a porous absorbing body due to its capillary attraction.

Abstract: A method of producing a mixed electrolyte powder having an electrolyte ion composition suited for use in preparing a dialyzing fluid for perfusing artificial kidney systems for bicarbonate dialysis, which method comprises a step of pulverizing the whole or part of sodium chloride, which is one of the components of the above powder, in a micronizer to a microfine powder having a particle size of about 20-30 .mu.m and adding thereto 2-4 percent by weight of glacial acetic acid by spraying, whereby a microfine powder of sodium chloride acidified with acetic acid is obtained, a step of dissolving other components constituting the above mixed powder and, if any, the remaining portion of sodium chloride in warm water and spray-drying the solution using a spray nozzle or disk atomizer to a microfine powder having a particle size of about 20-100 .mu.m, and a step of mixing both the microfine powders obtained in the above steps together.

Abstract: Pyroelectric crystals having relatively high figures of merit (p/K) of the order of 1.8 or more are provided. They are preferably prepared by doping alanine substituted triglycine sulfate crystals with phosphorous and/or arsenic.

Abstract: An impulse rocket propellant is comprised of highly hydrated mineral salts such as boric acid hydrate HBO.sub.2.H.sub.2 O and a plaster forming agent comprising calcium oxide hydrate CaO.H.sub.2 O and sodium sulfate hydrate Na.sub.2 SO.sub.4.10H.sub.2 O, all of which are compounded and intimately commingled with a heat conducting inorganic fiber such as glass wool. When these compounds are allowed to dry, loaded into suitable rocket devices, and instantaneously heated, the water of hydration of the hydrated mineral salts instantaneously vaporizes into steam which can be used to propel the rocket. The resulting unhydrated mineral salts are entrained within the steam. Upon coming into contact with the atmosphere, the steam condenses into fine water droplets into which the entrained salts dissolve and ionize.

Abstract: Novel anion exchange resin composites having hydrous chromium III oxide (Cr.sub.2 O.sub.3.nH.sub.2 O) incorporated therein are useful in removing a wide array of polyvalent metal cations from aqueous solution.

Abstract: A solid, nonpolymeric amorphous mixture of compounds which is useful as a binder in optical recording layers and elements is disclosed. The mixture comprises at least two different compounds each having at least two linking components joining one multivalent organic nucleus with at least two organic nuclei wherein at least one of the multivalent organic nucleus and the organic nuclei is multicyclic. Methods for making such mixtures are also disclosed.

Abstract: A novel optically active polymer comprising structural elements of the formula: ##STR1## The polymer is applicable for the optical resolution of a racemic mixture through, for instance, column chromatography.

Abstract: Disclosed is a compound having a fluorite-like structure comprising a solid solution having the general formula [(ZrO.sub.2).sub.1-x (MO.sub.s).sub.x ].sub.1-y [(La.sub.m A.sub.1-m).sub.2-z (Mn.sub.n B.sub.1-n).sub.z O.sub.r ].sub.y where MO.sub.5 is an oxide selected from the group consisting of calcia, yttria, rare earth oxides, and mixtures thereof, x is about 0.1 to 0.3, y is about 0.005 to about 0.06, z is about 0.1 to about 1.9, A is yttrium, rare earth element, alkaline earth element, or mixture thereof, B is iron, nickel, cobalt, or mixture thereof, m is 0.3 to 1, n is 0.5 to 1, and r is 2 to 4. A porous tube made from such a composition can be coated with an electrically conducting mixed oxide electrode such as lanthanum manganite, and can be used in making high temperature electrochemical cells such as solid electrolyte fuel cells.

Abstract: An immersion oil for use in microscopy having a high refractive index and a high principal dispersion factor without the inclusion of polychlorinated biphenyls (PCB's) and terpenyls. The immersion oil being a mixture of a low molecular weight hydrocarbon resin diphenyl isodecyl phosphite, and one or more of polybutylene, mineral oil, and trilauryl trithio phosphite.

Abstract: The present invention relates to aqueous solutions having dilatant properties in which the aqueous solution contains a polymer complex which is a water soluble polymer backbone containing an anionic comonomer and a copolymer of a water soluble polymer backbone containing a cationic comonomer.

Abstract: There are described an immersion oil containing one or more compounds of the formula ##STR1## wherein R is hydrogen or methyl, and its use in optics, especially fluorescence microscopy.

Abstract: Monosodium phosphate is highly soluble in water and can be used as an ingredient for a low pH liquid buffer in a concentration of about 13-40 percent by weight. Tri potassium phosphate has good solubility in water and is a suitable ingredient for a high pH liquid buffer in a concentration of about 20-50 percent by weight. By a combination of these two ingredients, a system has been developed for using liquid buffer mixes in place of solid phosphate buffers, especially for use as a direct textile bath additive.

Abstract: Formulations for use as mounting media in microscopy and also useful as optical coupling materials for fibers and lens systems having a wide range of refractive index between 1.58 to 1.73 and exhibiting a range in viscosity from a very viscous fluid to a semi-solid resin or melt. The material is selected from brominated diphenyl oxides and modified or unmodified alpha-methylstyrene polymers. These materials can be employed individually or blended together with a stabilizer to provide a host of materials having different refractive indexes within said range and useful in various optical systems.

Abstract: The rheology of aqueous liquids is effectively controlled by the addition to the liquid of a water-dispersible BAB triblock polymer wherein the B blocks are hydrophobic blocks such as alkyl or sulfonated poly(t-butylstyrene) and the A block is a hydrophilic block such as sulfonated poly(vinyltoluene).

Abstract: Immersion oils containing aliphatic thio compounds are described. The oils have optical properties and are useful in immersion optics such as fluorescence microscopy.

Abstract: A heavy mineral oil having a relatively high viscosity is employed as an immersion oil for use in fluorescence microscopy. The oil exhibits no auto fluorescent characteristics while exhibiting a compatible refractive index to allow the same to be used with condenser/objective lens systems in fluorescence microscopy.

Abstract: Compositions comprising: (1) an acid-containing highly concentrated calcium salt solution which optionally can also contain magnesium ions and minor amounts of other physiologically acceptable metal ions; and (2) a particulate admixture comprising sodium bicarbonate, sodium chloride and, optionally, potassium chloride, dextrose and other physiologically acceptable materials which, in aqueous solution, are unreactive to sodium bicarbonate.

Abstract: Fatty acids having 8 to 14 carbon atoms, leucinic acid and nontoxic salts thereof promote the absorption of a pharmacologically-active substance through the rectum into the blood stream and effectively raise the concentration of such active substance in the blood stream even when said active substance is one which is usually absorbable through the rectum only with considerable difficulty.

Abstract: An immersion oil formulation for use in microscopy and related optical fields consists of a blend of a dialkyl phthalate, a butyl benzyl phthalate and chlorinated paraffin. The compounds, when blended, possess a desired optical property including a refractive index of 1.518 or thereabouts and an extremely low fluorescence enabling the immersion oil to be utilized in the field of fluorescence microscopy. The resultant blend also possesses a low toxicity and therefore eliminates all the disadvantages of prior art immersion oils which contain PCBs or which exhibit undesirably high auto fluorescence.

Abstract: A wavelength calibration solution comprising from about 0.025 to about 0.140 molar neodymium and from about 0.135 to about 0.550 molar samarium, wherein the neodymium is present as a neodymium ionized constituent and the samarium is present as a samarium ionized constituent.A method for checking the wavelength accuracy of spectrometers or spectrophotometers of the type comprising measuring the absorbance (A) or percent transmittance (% T) of a wavelength calibration check solution versus a blank at more than one wavelength. The method is characterized in that the above solution is employed therein as the wavelength calibration check solution.

Abstract: According to the present invention a saturated aqueous solution comprising at least one alkali metal hydroxide and at least one alkali metal nitrate is provided which can be spray added to a fused anhydrous bath which contains alkali metal materials.

Abstract: A salt block product and method of making and using same of a type suitable for use in forming a brine for regenerating and rejuvenating water conditioning ion exchange beds comprising integral block of salt having a stake hole extending inwardly of one surface thereof within which a mass of a water soluble rejuvenating agent is disposed at a position spaced inwardly of the surface of the block. The rejuvenating agent can comprise one or an admixture of additive agents which are adapted to dissolve in the water during the dissolution of the salt block forming a brine containing the additive agent uniformly distributed therethrough. In accordance with a preferred embodiment, a suitable closure is positioned in the stake hole outwardly of the additive agent to prevent deterioration thereof during shipment and storage which alternatively can be physically removed or is adapted to dissolve releasing the additive agent during the brine generating process.

Abstract: A process is provided for the preparation of thin films of cadmium sulfide by deposition of cadmium sulfide formed in the thermal decomposition of an aqueous solution of cadmium ammonia thiocyanate complex, useful particularly in the preparation of thin cadmium sulfide films on electrically-conductive substrates useful in photovoltaic cells, and on thermally-conductive substrates useful in solar energy absorbers, for energy conversion systems.