Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-4,341,670 |
Polyamide from diamine, triamine and polycarboxylic acid mixture By the incorporation of small amounts of specific polyamides into polyalkenes, such as polypropylene and polyethylene, it is possible to significantly improve... |
| US-4,341,669 |
Cellulose derivative/polyether polyamine/polyepoxide reaction product as
antistatic soil release finish for... A polyester textile product having durable antistatic and soil release properties, said product being impregnated with the reaction product of; a cellulose ether... |
| US-4,341,668 |
Aqueous composition containing aldehyde condensate and use thereof A composition containing a methylene donor, hydrophobic component containing an organic hydrophobic diluent and an isocyanate; and an aqueous component... |
| US-4,341,667 |
Composition and method of improving the unvulcanized properties of
blends containing reclaimed rubber The green strength of compositions containing elastomers and/or up to 100 percent of reclaimed rubber is improved by the addition of crystalline or ... |
| US-4,341,666 |
Perfuming with oxygen containing derivatives of tricyclo[6.2.1.0.sup.2,7 ]u
n New oxygen containing derivatives of tricyclo[6.2.1.0.sup.2,7 ]undecane useful as perfuming or flavor-modifying ingredients in the manufacture of perfumes,... |
| US-4,341,665 |
Acylnorbornanone acetals, process for preparing the same, and perfume
compositions containing the same An acylnorbornanone acetal is represented by the formula: ##STR1## (wherein R.sub.1 is a saturated hydrocarbon group having 2 to 7 carbon atoms and R.sub.2... |
| US-4,341,664 |
Hydrocarbon dehydrogenation with an attenuated superactive multimetallic
catalytic composite for use therein Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at hydrocarbon dehydrogenation conditions, with a novel attenuated superactive multimetallic... |
| US-4,341,663 |
Process for the production of spherical shaped bodies based on Al.sub.2
O.sub.3 and optionally SiO.sub.2 A process for the preparation of shaped bodies includes preparing a plastic mixture of a material selected from the group consisting of aluminum oxides, aluminum... |
| US-4,341,662 |
Method of catalytically coating low porosity ceramic surfaces A method is disclosed for coating non-porous or low porosity ceramic surfaces with a catalytically active film comprising a platinum group metal and a minor... |
| US-4,341,661 |
Catalysts for reducing CO and SO.sub.x emissions from catalytic cracking
units Reduction of CO and SO.sub.x emissions from regenerators associated with cyclical fluidized catalytic cracking (FCC) units used to convert hydrocarbon feedstocks... |
| US-4,341,660 |
Catalytic cracking catalyst An improved fluid catalytic cracking process comprises a method for the regeneration of the fluidizable hydrocarbon conversion catalyst, particularly of the... |
| US-4,341,659 |
Catalytic composition There is disclosed a catalytic composition represented by the formula: in which a, b, c, d, e, f, g and h stand for the numbers of atoms for molybdenum, tungsten,... |
| US-4,341,658 |
Catalyst for reacting phenolic hydroxyl groups with epoxy groups Catalysts for reacting vicinal epoxides with an aromatic hydroxyl-containing material result from the treatment of a solid substrate containing a plurality of... |
| US-4,341,657 |
Use of quaternized derivatives of polymerized pyridines and quinolines
as corrosion inhibitors This invention relates to alkylated derivatives of polymerized aromatic nitrogen heterocyclic compounds as illustrated by polymerized pyridine, quinoline and... |
| US-4,341,656 |
Foam inhibitors and their use for defoaming aqueous systems Foam inhibitors for aqueous systems which contain a fatty acid salt of a polyvalent metal, especially an alkaline earth metal or aluminium, an anionic surfactant... |
| US-4,341,655 |
Method of preparing colloidal sol of pentavalent antimony A method of preparing colloidal sols of pentavalent antimony containing increased amounts of metal is described. More particularly, a method of converting... |
| US-4,341,654 |
Getter for melt-grown scintillator ingot The addition of a getter consisting essentially of reactive oxides of boron and silicon, to a melt of an alkali metal halide serves to overcome problems of... |
| US-4,341,653 |
Liquid-crystalline 4-alkylcyclohexyl esters Novel liquid crystal compounds having broader and preferable liquid crystal temperature ranges are provided. Their optically active isomers form a cholesteric... |
| US-4,341,652 |
Ester compounds, liquid crystal composition including same and method of
production Ester compounds suitable for use in liquid crystal compositions are provided. The ester compounds are (2'-chloro-4'-n-alkylphenyl)-3-cyano-4-n-alkoxybenzoates... |
| US-4,341,651 |
Compositions and methods for generation of gases containing hydrogen or
hydrogen isotopes A composition which upon heating generates hydrogen or hydrogen isotopes prises an intimate mixture of a hydride component selected from the group consisting of... |
| US-4,341,650 |
Chemically stabilized azulmic acids, processes for their preparation and
their use The present invention relates to certain new azulmic acids stabilized by reaction with aminoplast-forming agents and carbonyl compounds or condensation products... |
| US-4,341,649 |
Energy storage medium and method An energy storage medium that can be raised to a high energy state which is comprised of a gel of polyethylene oxide, water, and a salt which causes gelation of... |
| US-4,341,648 |
Method for manufacturing magnetic powder for high density magnetic
recording A method for preparing a magnetic powder for high density magnetic recording includes melting a mixture containing the fundamental component of a hexagonal... |
| US-4,341,647 |
Process for secondary recovery Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons... |
| US-4,341,646 |
1-Ethoxy-1-ethanol acetate and uses thereof for augmenting or enhancing
the aroma of taste of consumable materials Described for use in foodstuffs, chewing gums, toothpastes, medicinal products flavor and aromas, smoking tobacco flavor and aroma and perfume, cologne and... |
| US-4,341,645 |
Aqueous drilling and packer fluids Aqueous, clay-containing drilling fluids and packer fluids are modified for reduction of viscosity and gel strength upon addition of water soluble ... |
| US-4,341,644 |
Quaternary ammonium salt mixtures Quarternary ammonium salts compositions comprising a mixture of quaternary ammonium salts of general formula ##STR1## wherein R.sub.1 and R.sub.2 are... |
| US-4,341,643 |
Settling tanks for waste disposal A settling tank having a lower contoured surface on which particulate matter, solids and sludge settle and means for flowing a fluid stream utilizing the Coanda... |
| US-4,341,642 |
Process and an apparatus for continuously filtering liquids The invention relates to a process and an apparatus for continuously filtering liquids whereby two candle filters are arranged closely adjacent to one another... |
| US-4,341,641 |
Process for treating cyanide and cyanate containing wastewaters A process for treating a cyanide and cyanate-containing aqueous influent such as a wastewater stream is provided. A two-stage method is included for destroying a... |
| US-4,341,640 |
Urea hydrolysis The process for the purification of urea containing waste streams is improved by conducting the purification in a vessel having at least one treating zone... |
| US-4,341,639 |
Wastewater treatment Improved clarity in treated wastewater is achieved by adding a flocculating agent following screening by fine mesh screening means, preferably a centrifugal... |
| US-4,341,638 |
Purification of phosphoric acid Phosphoric acid is purified by a process which comprises treating the crude acid solution with a body feed agent, powdered carbon and a flocculating agent to... |
| US-4,341,637 |
Removing and collecting oil Apparatus is described for the removal and recovery of pollutant oil and the like floating on the surface of a body of water, comprising: means capable of the... |
| US-4,341,636 |
Treatment of wastewater Process for treating wastewater, which includes measuring the pH of the wastewater, adjusting the pH to about 10-11; filtering the wastewater; and subjecting the... |
| US-4,341,635 |
Microchromatographic column and method A liquid microchromatographic column having a tubular reservoir portion receiving the fluid solution to be separated and discharging into a barrel portion... |
| US-4,341,634 |
Analytical method of hydrocarbon compounds A high speed liquid chromatography to separate hydrocarbon compounds contained in a solution into three components, namely, saturates, unsaturates and aromatics,... |
| US-4,341,633 |
Surface aeration system with controlled aerator submergence Means and method for controlling submergence of surface aeration apparatus in enclosed covered aeration zones wherein liquid level is dependent on pressure of... |
| US-4,341,632 |
Destruction of bulking sludge In an activated sludge process for the biological purification of wastewater wherein undesirable bulking sludge is formed in addition to normal activated sludge,... |
| US-4,341,631 |
Ultrafiltration and reverse osmosis device comprising plural carbon
tubes bonded together An improved multi-tubular module is provided for use in ultrafiltration and reverse osmosis devices. Improved mechanical strength is achieved in the module by... |
| US-4,341,630 |
Arrangement for separation of a suspension or emulsion from liquids by
flotation Arrangement for separation of suspensions or emulsions from liquids by flotation having a flotation space widening from the bottom upwards, to be again narrowed... |
| US-4,341,629 |
Means for desalination of water through reverse osmosis Water from a source is fed to a reverse osmosis unit having a membrane which divides the stream into a first permeate product and a first concentrate. The first... |
| US-4,341,628 |
Belt pressure filter A belt pressure filter comprises a gravity dewatering zone for dewatering a sludge as a function of the gravity and a forced dewatering zone for a forced... |
| US-4,341,627 |
Screen separator An improved screen separator which employs orbital motion for the positive removal of solids from liquids, such as drilling mud. A tensioned screen is mounted... |
| US-4,341,626 |
Process for the flotation of sulfide minerals employing alkylaryl
hydrocarbon compounds Alkylaryl hydrocarbons having at least eleven carbon atoms, when used either alone or in combination with known sulfide collectors, result in enhanced recovery... |
| US-4,341,625 |
Method for preparing a catalyst carrier, a catalyst containing the
carrier, and a hydrocarbon... A method is provided for preparing a porous catalyst carrier having a pore volume of at least 0.5 cc/g, a content of micropores in which the pore diameter is... |
| US-4,341,624 |
Carbo-metallic oil conversion A process is disclosed for the production of high octane gasoline and/or other valuable lower molecular weight products from carbo-metallic oils. Examples... |
| US-4,341,623 |
Catalytic cracking using a mixture of cracking catalyst particles with
particles of platinum group metal or... An improved fluid catalytic cracking process comprises a method for the regeneration of the fluidizable hydrocarbon conversion catalyst, particularly of the... |
| US-4,341,622 |
Manufacture of benzene, toluene and xylene Benzene, toluene and xylenes are prepared from heavy reformate in substantially the proportion in said reformate of single ring aromatic compounds bearing none,... |
| US-4,341,621 |
Neomesophase formation An improved feedstock for carbon artifact manufacture, especially carbon fiber production, is made by reacting a carbonaceous isotropic graphitizable pitch with... |
Copyright 2008−2012 Patents.com
