Abstract: The subject invention relates to a process for preparing a powder containing a water-soluble vitamin which is directly compressible into a tablet prepared by spray drying (a) an aqueous slurry of a water-soluble vitamin and a binder; (b) preferably an adsorbent; and (c) a lubricant. Particularly useful water-soluble vitamins are ascorbic acid, sodium ascorbate, and calcium ascorbate. The unique feature of the process is that the lubricant is spray dried along with the other components.The invention also relates to powders prepared by this process. The powders are directly compressible into tablets and will not demix.

Abstract: Vitamin-active powders which are more free-flowing and stable, than conventional fat-soluble vitamin powders are prepared utilizing special silicon-containing materials which are predominately in the form of substantially discrete agglomerates. The agglomerates are such that preferably 50 percent of the total have a minimum length, width, or both of 300 microns.

Abstract: The invention relates to intermediate compounds having the general formula I ##STR1## in which R.sup.1 is H, an alkyl, arylalkyl or an aliphatic acyl radical, preferably a benzyl or acetyl group and wherein X and Y together span an additional bond between the X and Y carrying C atoms (Ia) or in which Y is OH and X is H (Ib) and in which the dotted line can represent an additional bond particularly[2R,1'Z,3'E,7'E]-6-benzyloxy-2,5,7,8-tetramethyl-2-(4',8',12'-trimethyl-tri deca-1',3',7'-trien-1'-yl)chroman and6-benzyloxy-2,5,7,8-tetramethyl-2-(1'-hydroxy-4',8',12'-trimethyl-trideca-3 ',7'-diene-1'-yl)chroman, as well as compounds and methods of preparing compounds having the general formula II ##STR2## in which Z is one of the groups ##STR3## wherein R.sup.2 is an alkyl group with 1 to 4 carbon atoms preferably CH.sub.3 or C.sub.2 H.sub.

Abstract: The invention relates to functional fluid concentrates and functional fluids which can be prepared by mixing the concentrates with water. The functional fluid concentrate comprises certain basic zinc salts as cloud point raising additives; a polyether nonionic surfactant; and an associative polyether thickener.

Abstract: This invention relates to a process for preparing certain sulfophenethylsiloxanes by reacting nearly equimolar amounts of chlorosulfonic acid with certain phenethyltrichlorosilanes in the presence or absence of a solvent according to the specified reaction conditions.

Abstract: The subject invention relates to adducts of vicinal toluenediamine prepared by:(a) reacting from one to three moles of ethylene oxide with vicinal toluenediamine at a temperature of 125.degree. C., and(b) reacting the product of (a) with four to eight moles of propylene oxide at a temperature of at least 140.degree. C. in the present of at least 1.0 part of an alkali metal hydroxide catalyst.The adducts generally have a hydroxyl number of 300 to 500 and are particularly useful for the preparation of rigid polyurethane foams.

Abstract: Improved process for the preparation of salcomine useful as an oxidation catalyst for the oxidation of alkylated phenols to the corresponding alkylated p-benzoquinones by reacting salicylaldehyde with ethylenediamine in a mole ratio of about 2:1 and a cobalt salt in a liquid reaction medium wherein the reaction medium is a linear or cyclic carboxamide which is disubstituted on the nitrogen, in particular dimethylformamide, and the cobalt salt is cobalt carbonate or with the cobalt hyroxide carbonate, 2 CoCO.sub.3.3 Co(OH).sub.2.H.sub.2 O. Preparation of the salcomine in accordance with the invention offers significant advantages, both in the preparation of the salcomine itself and in the subsequent oxidation of the trimethylphenol to trimethyl-p-benzoquinone utilizing the salcomine.

Abstract: Compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the presence of aqueous liquids are disclosed. The combination of a water-soluble phosphate with at least one of a water-soluble molybdate, tungstate, or selenate is disclosed as providing a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids.

Abstract: The invention relates to a water-based functional fluid thickened by an associative polyether thickener whose thickening ability is enhanced by the addition of certain quaternary ammonium salts.

Abstract: The invention relates to intermediate compounds having the general formula I ##STR1## in which R.sup.1 is H, an alkyl, arylalkyl or an aliphatic acyl radical, preferably a benzyl or acetyl group and wherein X and Y together span an additional bond between the X and Y carrying C atoms (Ia) or in which Y is OH and X is H (Ib) and in which the dotted line can represent an additional bond particularly [2R,1'Z,3'E,7'E]-6-benzyloxy-2,5,7,8-tetramethyl-2-(4',8',12'-trimethyl-tr ideca-1',3',7'-trien-1'-yl)chroman and 6-benzyloxy-2,5,7,8-tetramethyl-2-(1'-hydroxy-4',8',12'-trimethyl-trideca- 3',7'-diene-1'-yl)chroman, as well as compounds and methods of preparing compounds having the general formula II ##STR2## in which Z is one of the groups ##STR3## wherein R.sup.2 is an alkyl group with 1 to 4 carbon atoms preferably CH.sub.3 or C.sub.2 H.sub.

Abstract: This invention relates to polymer dispersions prepared by the in situ polymerization of an ethylenically unsaturated monomer or mixture of monomers in a chain extender in the presence of a free radical polymerization initiator and a polyamide stabilizer.The invention also relates to mixtures of the polymer dispersions with compounds having two or more active hydrogen atoms as determined by the Zerewittinoff method. These mixtures are used to prepare polyurethane products.

Abstract: The subject invention relates to a vitamin C powder prepared by (a) spray drying an aqueous slurry of ascorbic acid and binder in the presence of an absorbent in amounts such that the resulting powder will contain at least 90 percent by weight of ascorbic acid, no more than 9 percent by weight of binder, from 0.2 to 2 percent by weight of absorbent; and blending from 0.2 to 5 percent by weight of a lubricant into the powder prepared by step (a). Preferably microcrystalline cellulose and mixtures of microcrystalline cellulose and hydroxypropylmethycellulose are used as the binder.The resulting sugar and starch free vitamin C powder prepared by this process will be free flowing, have an ascorbic acid content of at least 90 percent by weight, be color stable under use conditions, will contain a lubricant, and is directly compressible into tablets which have acceptable hardness, friability, color stability, and disintegration times.

Abstract: Vitamin A palmitate compositions stable against crystallization at low temperatures are prepared by blending therewith a monoterpene such as dl-limonene. Vitamin A active concentrates prepared utilizing low temperature stabilized vitamin A palmitate are prepared by blending therewith an acceptable feed or food grade emulsifier.

Abstract: The subject invention relates to a process for regenerating silver-containing carrier catalysts used in the preparation of ethylene oxide which comprises treating a deactivated catalyst with a solution comprising a potassium, rubidium, or cesium compound and a reducing agent. The subject process provides improved catalyst regeneration.

Abstract: This invention relates to alkylated vicinal toluenediamines and their use as chain extenders in the preparation of polyurethane elastomers.

Abstract: The subject invention relates to compositions which inhibit the corrosion caused by CO.sub.2 and H.sub.2 S in the transport and storage of crude oils, which are generally water-in-oil, in particular salt-water-in-oil emulsions. The corrosion inhibitors are mixtures of certain imidazoline or tetrahydropyrimidine derivatives, precursors thereof, or their complexes with sulfur and certain maleinamidic acids.

Abstract: The subject invention relates to alkylene oxide adducts of aniline prepared by reacting an alkylene oxide with an aniline in the presence of preferably at least 0.1 part of alkali metal hydroxide per 100 parts by weight of aniline.The resulting compositions may be used in the preparation of polyurethane products, such as rigid polyurethane foams, and may also be used as nonionic surfactants.

Abstract: The subject invention relates to analgesic gels which comprise1. from 5 to 15 parts of an analgesic compound;2. from 10 to 40 parts of a nonionic surfactant which forms a gel in water alone at about 15 to 30 percent by weight based upon the weight of the water plus the weight of the nonionic surfactant;3. from 5 to 40 parts of glycerin;4. from 40 to 75 parts of water; and5. optional ingredients (q.v.)said parts based upon 100 parts of the composition and provided that the weight ratio of nonionic surfactant to water is from 5:1 to 3:1.The subject gels are clear, water soluble and are not tacky when applied to the skin.

Abstract: Stabilization of carotenoid-containing edible oils at elevated temperatures is accomplished by the use of stabilizing amounts of lauryl thiodipropionate, dilauryl thiodipropionate, a tocopherol and mixtures thereof. The stabilized colored edible oils retain a large percentage of the coloration subsequent to heating at deep-fat frying temperatures as compared with the coloration of said edible oil prior to heating.

Abstract: This invention relates to polymer dispersions prepared by the in situ polymerization of an ethylenically unsaturated monomer or mixture of monomers in a chain extender in the presence of a free radical polymerization initiator and a polyamide stabilizer.The invention also relates to mixtures of the polymer dispersions with compounds having two or more active hydrogen atoms as determined by the Zerewittinoff method. These mixtures are used to prepare polyurethane products.