ZEOLITE,METHOD OF PREPARING SAME AND CATALYTIC CONVERSION THEREWITH A new metal-containing highly siliceous porous crystalline material related to the structure of zeolite beta, a method of making same and the use thereof in catalytic conversion of organic compounds. The anhydrous form of the new metal-containing crystal has a calculated composition, expressed in terms of moles of anhydrous oxides...

An article for forming a cable block or for enclosing a cable splice comprises a recoverable driver sleeve and a particulate heat-activatable adhesive temporarily restrained adjacent an inner surface of the sleeve.

A suspension of a finely divided material in a liquid suspending medium which swells cellulose, the suspension containing microfibrillated cellulose in an amount sufficient to produce a stable, homogeneous suspension. The microfibrillated cellulose, a form of cellulose having a very large available surface area per unit of weight, acts to confer, among other benefits, greater stability on the susp...

A resinous hardener system comprising the reaction product of diamino diphenylsulfone compounds and diglycidyl ethers of polyhydric phenols. The hardener system can be incorporated into a variety of epoxy resins for use as improved prepreg or laminating resins, as resin molded castings, and the like.

A sealer for solid polyester composition to reduce evolution of vapors at temperature 190 DEG C. or higher for 1 hour or more and to improve the bond at these temperatures with isocyanate polyurethane adhesives, epoxy adhesive or acrylic adhesive, the sealer comprising a mixture of 100 to 1000 parts of phenol-formaldehyde resin, 90 to 110 parts of a polyvinyl acetal resin, 10 to 40 parts of epoxy...

An epoxy resin composition having excellent adhesive and high mechanical strength is disclosed. The composition comprises: (A) a bisphenol A type epoxy resin present in an amount of at least 45 wt % of the total epoxy resin; (B) a novolak type epoxy resin present in an amount of at least 8 wt % of the total epoxy resin; (C) a glycidyl amine type epoxy resin (including the one used in (D)) present ...

Water absorbent compositions exhibiting increased gel strengths comprise a water-swellable hydrophilic polymer and an inorganic powder and are prepared by physically blending the polymer and powder. The compositions can be incorporated into film laminates and can be employed in preparing improved disposable diapers.

Heat resistant thermosetting prepolymers are prepared by reacting one or more methylated pyridines or pyrazines with one or more aromatic dialdehydes, and isopropenyl phenols. The prepolymers can be further reacted with bismaleimides to make prepolymers with lower cure temperatures and faster cure rates. The total number of methyl groups on the pyridine or pyrazine can vary from 2 to 4. The prepol...

PCT No. PCT/SE85/00072 Sec. 371 Date Oct. 19, 1985 Sec. 102(e) Date Oct. 19, 1985 PCT Filed Feb. 13, 1985 PCT Pub. No. WO85/03692 PCT Pub. Date Aug. 29, 1985.An apparatus for transferring load units between two carriers having at least one transferring device movable between the carriers, the transferring device being adapted to carry the load unit during the transfer, and a bridging device being ...

A method and apparatus for forming an improved poly-p-xylylene film. Solid di-para-xylylene dimer is sublimed in a sublimation furnace at approximately 100 DEG to 200 DEG C. and subsequently conducted to a pyrolysis furnace where it is pyrolyzed to the diradical p-xylylene monomer while in the vapor state at approximately 600 degrees C. The diradical monomer is then introduced into a deposition ...

Improvements in dispersant viscosity index improvers having antioxidant properties and their use in lubricating oils are disclosed. An ethylene-propylene copolymer rubber has grafted thereon a vinyl monomer having an epoxy group to form a precursor which is condensed with a 5-aminotetrazole by ring opening of the pendent epoxide group.

A conveyor felt for conveying a paper web through a press section of a paper machine, comprising a support fabric (1) formed by a yarn structure and fibre bat layer (2) needled to the support fabric at least on one side thereof. The felt is, with the exception of the surface portion (4) of the fibre bat layer facing the web, filled with a filling material (3) so that the felt is completely air imp...

Biomedical radiopaque acrylic resin, in bead form, with an average diameter of from about 10 to 100 microns and having substantially uniformly dispersed throughout the bead about 5 to 50 wt. % of radiopaque inorganic pigment with an average particle size of about 0.1 to 20 microns.

A switched mode power supply transformer, particularly for a television receiver, including a primary winding and a secondary winding with the primary winding and the secondary winding each being subdivided into a plurality of respective partial windings. The partial windings of the primary lie in a first group of chambers and the partial windings of the secondary lie in a second group of chambers...

An activated-sludge process for wastewater treatment comprising the steps of: (1) feeding raw wastewater to an aeration tank containing activated sludge; (2) supplying air into the aeration tank to produce aerobic and anaerobic areas in said tank; (3) separating sludge from the mixed liquor coming out of the aeration tank and concentrating at least part of the separated sludge or said mixed liquor...

PURPOSE:To form a negative multicolor image by coating a support with multilayers of each pair of an interlayer composed of a pigment, and a hydrophobic, water- resistant, organic solvent-softenable resin, and a colorant-contg. diazo resin-water- soluble resin type photosensitive layer, and repeating patternwise exposure, org. solvent immersion, water washing, and drying in each pair of the photos...

PURPOSE:To minimize vibration in both pitch and rolling directions by forming recess at a part on the surfaces of outside two of plural parallel rails of a magnetic head slider. CONSTITUTION:A floating type magnetic head slider 10 consists of two outside rails 21 and 24 containing tapers 22 and 25 at the front edges and a center rail 31 having a taper 32 formed at the front edge respectively. A co...

PURPOSE:To enable to use by brazing the back surface to a metal plate and to uniformly set the potential of a semiconductor substrate by arranging the metal plate integral with external leads for supplying a potential to a semiconductor substrate in a central recess of a ceramic base. CONSTITUTION:A metal plate 3 is buried and arranged in a central recess 2 of a base 1, and external leads 4 are re...

PURPOSE:To absorb large displacement common for many semiconductor chips and to enable to absorb irregular connections of the chips by providing a double flexible cooling structures between the upper surfaces of the chips and the inner surface of a housing. CONSTITUTION:A plurality of pillows 17 are provided on a partition film 15, a housing 3 is covered on a substrate 1, and fluid 16 is sealed fr...

A method and an apparatus for producing double walled thermoplastic pipe with integral bells are disclosed. The pipe has corrugated outer wall that has the bells molded into it, and a smooth inner wall. The inner wall is removed from the bell after the pipe is formed and set. During production, the inner wall is punctured along the bell section to admit air into the chamber between the two walls. ...