Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-3,951,780 Aromatic oils by thermal polymerization of refinery streams
A heat soaked polymer by-product from the production of gasoline using the 90.degree.-400.degree.F. steam cracker naphtha as feed is upgraded by first subjecting...
US-3,951,779 Improved hydroseparation process for aqueous extraction of bitumen from tar sands
A method for improving recovery in a hot water process for extracting bitumen from tar sands comprising adding bitumen-depleted middlings recovered from a...
US-3,951,778 Method of separating bitumin from bituminous sands and preparing organic acids
Bituminous sands are intimately contacted with an aqueous medium containing a catalytically effective amount of a novel catalyst to separate the bitumin at...
US-3,951,777 Isoelectric focusing devices
Ampholytes are rapidly separated with high resolution in preparative scale by isoelectric focusing at high power inputs. An improved technique for isoelectric...
US-3,951,776 Low-voltage cross migration electrophoresis apparatus
A low-voltage apparatus for demonstrating antigens in body liquids by cross-migration electrophoresis. The apparatus comprises a container filled with a buffer...
US-3,951,775 Electrocoating tank arrangement
An electrocoating tank arrangement characterized by a centrally and longitudinally disposed paint supply header extending along and proximate to the bottom of...
US-3,951,774 Electrolytic cell construction
An electrolytic cell useful in the oxidation of organic compounds is disclosed. The cell provides a more uniform current density by shielding areas of...
US-3,951,773 Fluidized bed electrode system utilizing embedded insulator auxiliary electrode
An auxiliary electrode for direct introduction into a static-or fluidized bed main electrode comprises a conductive base material selected from the group...
US-3,951,772 Selective plating apparatus
Apparatus for continuous electroplating of selected portions of discrete electronic components. The components are carried by a conveyor belt through an...
US-3,951,771 Solids removal from viscous liquids
What is disclosed is a method for treating a hydrophobic viscous feed, such as a syncrude fraction containing solids, to remove at least a portion of the solids...
US-3,951,770 Hydrocarbon conversion
Chemical processing of normal-paraffin hydrocarbons may be carried out with increased selectivity by use of a normal-paraffin hydrocarbon reactant which is...
US-3,951,769 Epoxide photopolymerizable compositions containing cyclic amides as gelation inhibitor and methods of polymerizing
Polymerization of epoxides and mixtures of epoxides with lactones and vinyl compounds, polymerizable through the action of cationic catalysts, is controlled by...
US-3,951,768 Method of separating isotopes
A method for separating isotopes is disclosed. Molecules in a gaseous state which contains isotopes including a selected isotope, are irradiated by means of a...
US-3,951,767 Method and apparatus for the electrolysis of alkali metal chlorides
Alkali metal chlorides, e.g. brine, are electrolized in the presence of substantially horizontal anodes provided on the underside with channel- or groove-like...
US-3,951,766 Electrolytic cell and method of using same
An improved electrolytic cell for the electrolysis of aqueous solutions of ionizable chemical compounds, and especially for the electrolysis of brines, comprises...
US-3,951,765 Production of electrolytic battery active manganese dioxide
This process concerns the direct electroconversion of low grade manganese ores to high purity manganese dioxide product, which, among other applications, is...
US-3,951,764 Aluminum-manganese alloy
Aluminum-manganese alloys containing up to about 10.0% by weight manganese are made by reacting molten aluminum with a manganese oxide, such as MnO or MnO.sub.2,...
US-3,951,763 Aluminum smelting temperature selection
A process for producing aluminum in which alumina is decomposed electrolytically to aluminum metal in an electrolyte bath between an anode and a cathodic...
US-3,951,762 Preparation of perfluorinated organic sulfonyl fluorides
In the electrochemical fluorination of an alkanesulfonyl halide wherein an electric current is passed through a cell containing said alkanesulfonyl halide...
US-3,951,761 Method and apparatus for electro-plating strip contacts
The following specification describes a contact electroplating process and apparatus in which a web carrying the contacts is attached to a plastic carrier strip...
US-3,951,760 Bath for the electrodeposition of bright tin-cobalt alloy
A bright electroplated tin-cobalt alloy is obtained with an aqueous pyrophosphate electroplating bath which contains a brightening additive consisting of at...
US-3,951,759 Chromium electroplating baths and method of electrodepositing chromium
An aqueous acidic chromium electroplating bath comprising 200 to 550 g/l of chromium trioxide, 1 to 18 g/l of strontium sulfate, 2 to 30 g/l of potassium...
US-3,951,758 Method of operating a purifying plant and tank for practicing said method
A method for operating an at least approximately round reactivating tank with a vertical axis for a purifying plant, according to which the sludge-water mixture...
US-3,951,757 Process of making electrorecording sheet
Improvement in a method for producing electrorecording paper consisting of an electroconductive material of cuprous iodide, a heat sensitive color forming...
US-3,951,756 Purification of alkyl esters
A distillation process for removing light ends impurities from alkyl esters of carboxylic acids wherein a purified ester is removed as residue, and wherein an...
US-3,951,755 Process for preparing technically pure acetic acid by extractive distillation
Process for preparing technically pure acetic acid from water - acetic acid mixtures by extractive distillation with N-methyl acetamide.
US-3,951,754 Method of inhibiting the thermopolymerization of isoprene and butadiene
A method of inhibiting the thermopolymerization of isoprene or butadiene in the process of isolation thereof by extractive distillation from a mixture of...
US-3,951,753 Method and apparatus for the conversion of an aqueous scale-formed liquid
Saline water is preheated by the hot discharges of a vapor compression evaporator, forming distillate and concentrated brine. Carbon dioxide that has been...
US-3,951,752 Method and apparatus for converting saline water to fresh water
Saline water, typically sea water or brackish water, after deaeration and deoxygenation is preheated, then further heated by steam condensing with the preheated...
US-3,951,751 Pollutant collection system for coke oven discharge operation
A pollutant collection and exhaust system is provided in a battery of coke ovens for removal of atmospheric pollutants from the gases released at the time of...
US-3,951,750 Apparatus for charging preheated coal into coke ovens
Charging apparatus is provided for charging preheated coal into a battery of coke oven chambers from a bunker above the battery which has sufficient capacity to...
US-3,951,749 Tar sand processing apparatus
Apparatus for processing tar sands to recover bitumen therefrom, and without the use of heat of steam, such apparatus including a processing tank having a...
US-3,951,748 Sensitized matrix for detection of disease
A specific sensitized matrix for diagnosing both infectious and non-infectious disease is disclosed comprised of an insoluble, inert, pliable and wettable matrix...
US-3,951,747 Lyophilized media
A method for identifying or detecting biologically active materials more rapidly and conveniently than standard identification methods involving the use of...
US-3,951,746 Antibiotics and process for their manufacture
A novel composition having antibiotic activity is produced by fermentation of the new species of microorganism, Micromonospora grisea. The antibiotic complex is...
US-3,951,745 Glycoside-hydrolase enzyme inhibitors
This invention relates to inhibitors for glycoside-hydrolases derived from bacteria of the order Actinomycetales, means for their production comprising...
US-3,951,744 Purification of dehydrogenases
NADP-dependent dehydrogenases are separated and purified by subjecting mixtures containing it to affinity chromatography using as the affinity chromatography...
US-3,951,743 Production of zeaxanthin
A process for the preparation of zeaxanthin which comprises culturing a microorganism of the genus Flavobacter producing this pigment in a nutrient medium...
US-3,951,742 Production of zeaxanthin
A process for the preparation of zeaxanthin which comprises culturing a microorganism of the genus Flavobacter producing this pigment, in a nutrient medium...
US-3,951,741 Process and apparatus for the synthesis of peptides by use of n-carboxyanhydrides
Method and apparatus are provided for preparing polypeptides by conjugating arginine as an end group to a polyethyleneimine water soluble polymer, stepwise...
US-3,951,740 Manufacture of interferon
This invention relates to the production of interferon. In accordance with the present invention, interferon is produced by growing a continuous cell line in a...
US-3,951,739 Positioning and locking device for fuel pin to grid attachment
A positioning and locking device for fuel pin to grid attachment provides an inexpensive means of positively positioning and locking the individual fuel pins...
US-3,951,738 Nuclear reactor coolant and cover gas system
A core cooling system is disclosed for a nuclear reactor of the type utilizing a liquid coolant with a cover gas above free surfaces of the coolant. The...
US-3,951,737 Power generating plant with a gas-cooled nuclear reactor with closed gas circulation
A power generating plant equipped with gas-cooled nuclear reactor with closed gas circulation system leading through at least one compressor, the reactor,...
US-3,951,736 Single-layer and multi-layer paper making apparatus
A paper making apparatus for producing sheets of paper at speeds in excess of 200 m/minute. A breast roll and a wire cage turning cylinder are disposed above and...
US-3,951,735 Process for preparing gypsum board
A gypsum wallboard or plasterboard having a high mechanical strength, especially high impact strength, and a large bulk density is prepared from a mixture...
US-3,951,734 Ammonia-ketone pulping process
A method of employing the combination of ammonia and ketones as the cooking chemicals in a digester of a pulping process. This method results in a pulp which has...
US-3,951,733 Delignification and bleaching of wood pulp with oxygen
Cellulose pulp, in the form of an alkaline, dilute aqueous slurry, is continuously bleached and delignified by oxygen dissolved and intimately dispersed and...
US-3,951,732 Delignification and bleaching of wood pulp with oxygen in the presence of triethanolamine
Wood pulp is delignified and bleached with oxygen in the presence of a mixture of an alkali, a magnesium compound and TEA.
US-3,951,731 Process for aerobic decomposition and solvent treatment of waste material
In a process for the production of fiber substances from waste which contains aerobically unstable components, the waste is subjected to aerobic decomposition at...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | Next →