Compositions of water soluble polymers coated with hydrophobic fumed silica are readily dispersed in water. A method for improving the water dispersibility of a water soluble polymer is disclosed.

Disclosed is an ethylene-propylene-diene (EPDM) rubber containing sulfur dispersed therein. The rubber has been heat treated at a temperature of 90 to 160.degree.C while kneading to such an extent that the EPDM is only partially crosslinked. The EPDM preferably has a Mooney viscosity ML1+4 (100.degree.C) of 60 to 120 and is a mixture of: (A) 90 to 40% by weight of a high-molecular weight ethylen...

Interfacially polymerized, crosslinked membranes on microporous, organic solvent resistant ultrafiltration membrane backing are useful for the separation of organic mixtures under reverse osmosis conditions. The membranes are prepared by depositing an aqueous (or conversely non-aqueous) solution of a first component on the microporous backing, draining off the excess quantity of this first solutio...

Here is disclosed a disposable diaper having a front area, a crotch area, a back area and a pair of liquid permeable wing areas laterally extending from opposite sides of said back area so that said diaper may be worn by fastening said wing areas to each other, then placing said front area upon these wing areas and fastening said front area to said wing areas.

An expandable and collapsible cellular shade formed from a single web of foldable material folded alternately in opposite directions along permanently set first and second creased folds disposed at opposite sides of the shade such as to form normally flat panels disposed in sidewise abutting relation and serially united in alter nate succession along respective first and second creased folds. The ...

Phase detectors (202, 204) in a progressively scanned television receiver measure the phase of the receiver video speed-up memory read (8fsc) and write (4fsc) clocks with respect to the double line-rate horizontal sweep signal (FB) of the display. Delay means (34, 36) are provided for delaying the video signal recovered from the memory (30, 32) as a function of the difference (224) between the rea...

WATER TREATMENT APPARATUS Water treatment apparatus having a raw water inlet and a treated water outlet and at least a first and second water treatment tank plus conduit means for passing water from the inlet to the outlet through the first and second tanks in parallel flow relation, The tanks are automatically regenerated in sequential, alternating intermittent manner in response to predetermined...

This invention relates to a gas-permeable porous body and production thereof by blending siliceous pagodite, limestone and clay in such a manner that SiO2 accounts for 70 to 88 wt.%, CaO 5 to 23 wt.% and Al2O3 5 to 15 wt.%, molding the mixture and sintering the mold at 1,000 DEG C or above. This porous body has an extremely uniform pore diameter and high gas-permeability and is used for a filter o...

A soft-rubbing shaped adhesive is based on an adhesive forming polymer solution gelled with a soap-forming gelling agent in the presence of a modifying additive comprising an aminocarboxylic acid or corresponding lactam, preferably an aminocarboxylic acid containing from 4 to 8 carbon atoms. Especially useful modifying additives include caprolactam, the sodium salt of aminocaproic acid, or a mixtu...

Improved chromatographic strip binding assay devices are provided for determining the presence or amount of an analyte present in a patient sample. Assay label reagents interact with capture reagents immobilized in a testing region on the strip substrate to generate a visually detectable image indicative of the test result. The test result images include a minus sign (-) to indicate a negative tes...

Compositions d'acide peracétique et procédé pour obtenir ces compositions Compositions d'acide peracétique contenant au moins un agent épaississant et éventuellement un stabilisant choisi parmi les agents séquestrants, les capteurs de radicaux libres et les mélanges contenant deux ou plusieurs de ces produits. Les compositions préférées sont obtenues par incorporation successive d'au moins un stab...

An easily-openable packaging container comprises a container body and a multilayer lid member heat-sealed at the flange portion of the container body, in which the multilayer lid member has an interlaminar strength smaller than the adhesion strength between said flange portion and the inner layer of the multilayer lid member so that the multilayer lid member can be delaminated at a portion corresp...

A method of manufacturing a circuit board, comprising the steps of providing an electric conductor on one surface of a substrate made of flexible synthetic resin and selectively irradiating a laser beam onto the substrate from the other surface of the substrate so as to sublimate a portion of the substrate such that an opening is formed on the substrate, with the electric conductor traversing the ...

A kink preventing device which is made such that a cylindrical kink preventive member having a conical part expanded downwardly is arranged over the yarn feeding bobbin in such a way it may be moved up or down.

A ceramic welding process, including projecting a ceramic welding powder including a mixture of refractory particles and fuel particles composed of a fuel material which is capable of being oxidized to form a refractory oxide against a surface in at least one stream of carrier gas which contains at least sufficient oxygen for substantially complete oxidation of the fuel particles, whereby sufficie...

A device for the re-education of a limb comprising a motor element made of shape memory alloy, which possesses at least one shape memory state corresponding to a specific configuration, control means for bringing the motor element into the said shape memory state and mechanical attachment means for securing at least a part of the motor element to a part of the limb to be re-educated.

A process for the pre-treatment of textile surfaces which impart soil release properties, comprising contacting a textile with a dispersion graft copolymer of: (a) a polyalkylene oxide which has a number average molecular weight of from 300 to 100,000, is based on ethylene oxide, propylene oxide and/or butylene oxide and may be capped at one end through etherification, esterification, amidation or...

An apparatus for making a soft ice-drink comprises an ice shaving mechanism, disposed on an apparatus bed (1), including a shaver casing (7) having a slit (17) to which a shaving blade (19) is exposed and a shaved ice discharge chute (18), rotatable blades (25), provided within the shaver casing, for cooperating with the shaving blade (19) to shave ice blocks (A) charged into the shaver casing, an...

Low acid heat-sensitive foodstuffs, such as low acid heat-sensitive vegetables and cereal grain products, are thermally processed in the presence of a mixture of an acid and its lactones, preferably an aldonic acid with its lactones, the acid of which makes possible a condiderably reduced commercial sterilizing parameter (i.e. lower temperature and/or time) whereby more of the flavor, color, or te...