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| Patent # | Description |
|---|---|
| US-4,419,270 |
Oxidation catalyst A catalyst for the vapor-phase oxidation of an unsaturated hydrocarbon, alcohol, saturated aliphatic aldehyde or unsaturated aliphatic aldehyde having 4 carbon... |
| US-4,419,269 |
Transition metal containing catalyst A transition metal-containing catalyst is prepared by (A) reacting in the presence of an inert hydrocarbon diluent (1) the reaction product of (a) an organomagnesium... |
| US-4,419,268 |
Partially hydrolyzed silicate treatment of catalyst support A silica-containing material or a phosphate is treated with a partially hydrolyzed silica. The resulting composition when used as a support for a chromium olefin... |
| US-4,419,267 |
Process for regenerating antimony containing oxide catalyst comprising
an aqueous ammonia impregnation A process for regenerating an antimony containing metal oxide catalyst which comprises impregnating aqueous ammonia in an amount corresponding to the pore volume ... |
| US-4,419,266 |
Corrosion inhibitors containing 3-dialkyl-3-(1-ethylpentyl)-prop-1-yne An aqueous composition for inhibiting the corrosion of metals is described. The composition comprises a non-oxidizing acid, and, as a corrosion inhibitor, an... |
| US-4,419,265 |
Addition products from ethylene oxide-propylene oxide block polymers and
bis-glycidyl ethers, a process for... Addition products from ethylene oxide-propylene oxide block polymers of the formula ##STR1## wherein R denotes methyl or ethyl, n and m are numbers which... |
| US-4,419,264 |
Fluorine-containing 4,4'-bis-(cyclohexyl)-biphenyl derivatives, and
dielectrics and electro-optical display... Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are identical or different and each is alkyl or alkoxy each of up to 8 C atoms, and one or two... |
| US-4,419,263 |
Liquid crystalline cyclohexylcarbonitrile derivatives Cyclohexylcarbonitrile derivatives of the formula I ##STR1## wherein Y is ##STR2## X is --COO--, --O--CO, --CH.sub.2 O--, --OCH.sub.2 -- or --CH.sub.2 ... |
| US-4,419,262 |
Pyridazines Compounds of the formula ##STR1## wherein R.sup.1 is straight-chain alkyl of 1 to 12 carbon atoms, R.sup.2 is 1-alkynyl and the 1-alkynyl group in R.sup.2... |
| US-4,419,261 |
Impregnant for making semi-rigid or rigid resin foams An impregnant which is suitable for being applied to a once produced open-cellular, soft resin foam to change its physical properties to a desired extent... |
| US-4,419,260 |
Method for the production of a suds-stabilized silicone-containing
detergent In the production of a spray-dried detergent containing a silicone/silica mixture as an antifoaming agent, the aqueous silicone-free detergent slurry (A) is... |
| US-4,419,259 |
Degreasing and deoxidizing aluminum foil Aluminum foil, particularly for electrolytic capacitors, is degreased and deoxidized before processing by contacting the foil with a solution containing... |
| US-4,419,258 |
Dialkyl glyoxylate surfactants Dialkyl glyoxylates useful as anionic surfactants are disclosed. The dialkyl glyoxylates are particularly effective in removing soils from fabrics under... |
| US-4,419,257 |
Magnetic coating composition A magnetic coating composition is disclosed of the type having magnetic particles dispersed in a resin binder. The improvement comprises the use of a solvent... |
| US-4,419,256 |
Building insulation composition A composition for insulation which may be used for reducing thermal transmission, for absorbing sound waves and for providing a fire spread barrier, and which... |
| US-4,419,255 |
Lubricating oil containing keto amide as friction reducing agent Lubricating oil characterized by improved friction reduction contains friction reducing amounts of a keto amide prepared by the reaction of an amine and an... |
| US-4,419,254 |
Method of protecting silver contacts A method of protecting silver contacts in switches for electronic equipment is provided by utilizing a silicone-based grease which is comprised of a ... |
| US-4,419,253 |
Synthetic post-pickle fluid The present invention discloses a synthetic post-pickle fluid composition which is useful for treating metal to provide corrosion resistance and act as a... |
| US-4,419,252 |
Aqueous lubricant A lubricant concentrate is provided for forming stable, translucent oil-in-water emulsions upon dilution with a major part of water. The concentrate comprises a... |
| US-4,419,251 |
Aqueous lubricant A lubricant concentrate is provided for forming stable, translucent oil-in-water emulsions upon dilution with a major part of water. The concentrate comprises a... |
| US-4,419,250 |
Agglomerated bentonite particles for incorporation in heavy duty
particulate laundry softening detergent... A heavy duty laundering and textile softening detergent composition, in particulate form, useful for automatic machine washing of laundry in water, especially... |
| US-4,419,249 |
Method and apparatus for dewatering a slurry of fine particles A method and apparatus for dewatering a slurry of fine particles including a dewatering table and a forming fabric passed across the table. Vacuum is applied to... |
| US-4,419,248 |
Biofilm removal A method is provided for removing biofilm from a surface submerged in water. The method includes cooling the biofilm to below the freezing point of water to... |
| US-4,419,247 |
Method of removing soluble sulfide residue from scrubber water waste Soluble sulfide residue, and small amounts of cyanide and oil, can be removed from scrubber water waste, particularly such waste produced by the process of... |
| US-4,419,246 |
Removal of heavy metal ions Heavy metal ions bonded to complexing agent can be precipitated from waste streams with a combination of a magnesium ion, calcium hydroxide and peroxygen compound. |
| US-4,419,245 |
Copolymer process and product therefrom consisting of crosslinked seed
bead swollen by styrene monomer A process for the manufacture of crosslinked ion exchange copolymer particles wherein small seed particles are swollen to final size by concurrently feeding... |
| US-4,419,244 |
Method and arrangement for aeration of liquids A method of aerating liquids, particularly for aerobic growing of microorganisms, has the steps of forming a circumferential stream of liquid, forming a... |
| US-4,419,243 |
Growth of biomass This invention provides a process and apparatus for the growth of biomass from a supply of suitable nutrient wherein the volume of biomass and the size and shape... |
| US-4,419,242 |
Composite membrane for a membrane distillation system A composite membrane separates a distilland and a distillate, such as salt water and fresh water. The composite membrane comprises a thin lyophobic microporous... |
| US-4,419,241 |
Tubular filter element for the filtration of fluids There is disclosed tubular filter element for the filtration of fluids, which is equipped with an enclosing housing with an inlet and outlet or is insertable... |
| US-4,419,240 |
Fluid filtering device A fluid filtering device comprising a housing having an interior chamber with an open top and an inlet and outlet open to the chamber. An annular seat is secured... |
| US-4,419,239 |
Apparatus for recovering and recycling animal waste A method and apparatus for recovering and recycling animal waste materials permits the separation of the solids with a desired moisture content from the... |
| US-4,419,238 |
Juice drainer A juice extraction apparatus comprising a generally vertically extending structure having side walls defining a generally vertically extending enclosed space, a... |
| US-4,419,237 |
Pleated kidney This disclosure relates to a dialyzer primarily intended to be utilized as an artificial kidney and includes a plurality of blood and bath plates stacked in... |
| US-4,419,236 |
Water detecting or absorbing device for use in and removal from a tank
with a limited opening A device for detecting water in or for absorbing water from the bottom of a closed tank includes a closed envelope formed of a porous cover material. A filler... |
| US-4,419,235 |
Gravity fed water treatment apparatus A gravity fed water treatment apparatus for drinking water removes chlorine, chlorides and other organic compounds by gravity feeding the water from one... |
| US-4,419,234 |
Multiple cartridge filter assembly with removable filter cartridge array A multiple cartridge filter assembly is provided with a removable filter array to facilitate the rapid replacement of an entire array having spent cartridges... |
| US-4,419,233 |
Chlorinator for a swimming pool A chlorinator including a housing adapted to be submerged below the pool deck of a swimming pool, including a lower liquid chamber and an upper control chamber,... |
| US-4,419,232 |
Filtering and collecting device for water drains A device for use in water drains provided with an outer drain grating for preventing accidents and coarse material falling into the drain. The device is intended... |
| US-4,419,231 |
Ground surface drainage apparatus In the ground surface drainage apparatus, a monolithic catch basin has a side outlet sleeve for the positioning therein of a subterranean drainage tube. An... |
| US-4,419,230 |
Apparatus for containing a leakage of PCB compound Apparatus for confining a leakage of polychlorinated byphenyl (PCB) from an utdoor electrical substation while permitting rain water to be discharged into the... |
| US-4,419,229 |
Device for controlling the cation saturation in interchanging filters A device for detecting cation saturation in an ion exchange filter includes electrodes disposed in an interchanging resin. One of the electrodes receives power... |
| US-4,419,228 |
Process for producing high brightness clays utilizing magnetic
beneficiation and calcining A method is disclosed for separating titaniferous and ferruginous discolorants from a crude kaolin clay. A dispersed aqueous slurry of the clay is formed... |
| US-4,419,227 |
Recovery of solvent from a hydrocarbon extract A lubricating oil solvent refining process employing N-methyl-2-pyrrolidone as solvent in which solvent is recovered from a solvent-oil mixture in a staged... |
| US-4,419,226 |
Recovery of aromatic hydrocarbons and a non-aromatic raffinate stream
from a hydrocarbon charge stock A process for the recovery of aromatic hydrocarbons and a non-aromatic raffinate stream from a hydrocarbon charge stock is disclosed. The hydrocarbon charge... |
| US-4,419,225 |
Demetallization of heavy oils An improved process for removing metals from heavy oils and other hydrocarbon feed streams is disclosed. The process includes adding elemental phosphorus to the... |
| US-4,419,224 |
Desulfurization of hydrocarbons A hydrocarbon feedstock containing organo-sulfur compounds, such as a naphtha containing mercaptans, is desulfurized by contact, under non-hydrogenative... |
| US-4,419,223 |
Carbo-metallic oil conversion with water A method is disclosed for cracking a carbo-metallic oil feed containing high amounts of coke forming carbonaceous materials as characterized by a carbon residue... |
| US-4,419,222 |
Hydrocarbon conversion processes using improved transition metal oxide
catalysts Hydrocarbons are cracked by contacting, in a cracking zone and at elevated temperature, a hydrocarbon feed with an acid catalyst comprising at least a catalytic... |
| US-4,419,221 |
Cracking with short contact time and high temperatures A method and apparatus for catalytic conversion of hydrocarbon feedstocks and regeneration of coked catalyst resulting from the hydrocarbon conversion reaction... |
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