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| Patent # | Description |
|---|---|
| US-4,158,741 |
Process for preparing sorbic acid Process for preparing sorbic acid which comprises contacting .gamma.-vinyl-.gamma.-butyrolactone with at least one catalyst selected from the group consisting of... |
| US-4,158,740 |
Oxidation of butane to acetic acid A process for converting butane to acetic acid wherein a mixture containing butane, molecular oxygen, acetic acid and cobaltic ions is continuously passed... |
| US-4,158,739 |
Process for converting cyclopentane to glutaric acid A process for converting cyclopentane to glutaric acid which involves oxidizing cyclopentane with molecular oxygen in the presence of critical amounts of... |
| US-4,158,738 |
Process for the production of fiber-grade terephthalic acid Process for the preparation of fiber-grade terephthalic acid by continuously oxidizing paraxylene while vaporizing a portion of the contents of the reactor.... |
| US-4,158,737 |
Vinyl acetate preparation A Group VIII noble metal catalyst supported on an alumina carrier having an alumina content greater than 99.0%, a crystalline alpha-alumina content of greater... |
| US-4,158,736 |
Polymers of alkyl acrylates Polymers of esters of acrylic acid having an average chain length of about 6 to about 30 mers are prepared by an anionic polymerization reaction, carried out in... |
| US-4,158,735 |
Substituted hydroxy pyridones Substituted hydroxy pyridones, e.g., 3-(.alpha.-iminobenzyl)-4-hydroxy-6-phenyl-1-methyl-2(1H)-pyridone, are prepared by reducing corresponding... |
| US-4,158,734 |
Substituted pyridines This invention relates to substituted pyridines prepared by reacting aldehydes, amines, lower carboxylic acids such as acetic acid in the presence of oxygen. The... |
| US-4,158,733 |
7.beta.-Acyloxy-3-acetoxymethyl cephalosporins The compounds of this invention are cephalosporins having a 7.beta.-acyloxy group and 7.beta.-hydroxy intermediates for the preparation thereof. The compounds... |
| US-4,158,732 |
Process for production of
2-substituted-imino-3-alkyl-tetrahydro-6H-1,3,4-thiadiazin-5-ones Thiadiazin-5-one compounds of the formula ##STR1## wherein R.sup.1 is alkyl and R.sup.2 is alkyl, alkenyl, cycloalkyl or aryl are prepared by reacting a... |
| US-4,158,731 |
Crosslinkable polymeric compounds The invention relates to organic polymers which can be crosslinked under the action of light and which are suitable for carrying out photomechanical processes.... |
| US-4,158,730 |
Crosslinkage polymeric compounds The invention relates to organic polymers which can be crosslinked under the action of light and which are suitable for carrying out photomechanical processes.... |
| US-4,158,729 |
Process for producing polyoxymethylene Polyoxymethylene is produced by polymerizing formaldehyde in the presence of a catalyst comprising a catalytic component of an organoaluminum compound or a... |
| US-4,158,728 |
Heterocyclic-coupled polymers of polyphenylene oxides Heterocyclic-coupled linear, branched and/or crosslinked polymers of polyphenylene oxides are described which comprise poly-functional heterocyclic radicals... |
| US-4,158,727 |
Metal-containing curable epoxy resin compositions Metal-containing self-curing epoxy resin compositions are provided, which can advantageously be employed as adhesives, casting resins, paints and the like. The... |
| US-4,158,726 |
Process for preparing bead polymers Disclosed is a process for preparing a water-soluble bead polymer by dispersing drops of an aqueous solution of water-soluble vinyl monomer in a dispersing... |
| US-4,158,725 |
Method of manufacturing an adhesive A method for the manufacture of an adhesive suitable for use with polyvinylfluoride sheets which includes the steps of copolymerizing a vinyl compound and a... |
| US-4,158,724 |
Tris-tetrazoles as chemical blowing agents Tris-tetrazoles of formula I, ##STR1## wherein A is alkylene and R is hydrogen, alkyl or phenyl, are suitable blowing agents for thermoplastic resins,... |
| US-4,158,723 |
High specific energy battery A high specific energy electric cell having a lithium negative active material, an electrolyte solution of which the solvent is an aprotic liquid, and the... |
| US-4,158,722 |
High energy electrochemical current source In a galvanic element having a negative metal electrode, and non-aqueous electrolyte, the electrochemically reducible component of the positive electrode mass is... |
| US-4,158,721 |
Glass-to-metal seal for electrochemical cells A glass-to-metal seal for an electrochemical cell terminal includes a formed apertured plate and a tack-shaped terminal pin. The formed apertured plate has a... |
| US-4,158,720 |
Lithium-aluminum-iron electrode composition A negative electrode composition is presented for use in a secondary electrochemical cell. The cell also includes an electrolyte with lithium ions such as a... |
| US-4,158,719 |
Low expansion low resistivity composite powder metallurgy member and
method of making the same A compacted article having low thermal expansivity and high thermal conductivity is made by compacting a mixture of two metal powders, one of which has low... |
| US-4,158,718 |
Freely suspendable light-transparent heat barrier for window A multi-layer flexible sheet is provided for hanging freely on the interior room side of a window, or the like, that reflects radiant heat from inside the room... |
| US-4,158,717 |
Silicon nitride film and method of deposition A dense film of silicon nitride is deposited by a plasma discharge in a vapor of azidotrimethylsilane (AZS) (CH.sub.3).sub.3 SiN.sub.3. AZS is less reactive and... |
| US-4,158,716 |
Electrically nonconductive copper-boron coatings on nonmetallic
substrates An electrically nonconductive copper-boron coating is deposited on a nonmetallic surface such as glass by reducing a copper salt with a small amount of alkali... |
| US-4,158,715 |
Laser recording film with opaque coating A real-time laser recording film having a plastic/dye coating on one side thereof provides improved image sharpness and visual qualities. The film fabrication is... |
| US-4,158,714 |
Process for imparting a better adhesion between reinforcing materials
and plastic matrix and product thereby... A process is described for imparting a better adhesion between reinforcing materials and a plastic matrix, characterized in that it comprises the steps of... |
| US-4,158,713 |
Composition board with improved polymeric skin and method of preparing
same A flexible, integrally bonded sheet material suitable for use as a face surface covering on a composition board, which sheet material comprises: first and second... |
| US-4,158,712 |
Composition board with improved polymeric skin A composition board which comprises a thin nonfrangible sheet material suitable for use as a surface covering, which material comprises: a fibrous sheet material... |
| US-4,158,711 |
Hot knife welds in thermoplastic strap Ends of thermoplastic polymeric strap are joined together using a hot sealing blade of substantially rectangular transverse cross section and having corners with... |
| US-4,158,710 |
Method of preparation of the surfaces of products made of iron alloys,
preceding the process of hot-dip aluminizing The work-pieces are mechanically cleaned, degreased and washed, and then etched in an aqueous solution containing 0.5-1.0% by weight of citric acid, and 16-24%... |
| US-4,158,709 |
Method for collecting histologic material An apparatus and method for the recovery of small plastic tissue sections described. A container having parallel sides is rotatably supported on its ends.... |
| US-4,158,708 |
Spice extract A process for the production of an aromatic spice extract, which comprises (a) grinding a spice and collecting an aromatic fraction A, consisting of the gases given... |
| US-4,158,707 |
Parenteral preparations Aqueous vehicles for insoluble or sparingly soluble medicaments suitable for parenteral administration are disclosed. The subject vehicles contain, in addition... |
| US-4,158,706 |
Food preservation A method of preparing stable high moisture food products such as pet food products is disclosed which enables nutritious farinaceous-proteinaceous food materials... |
| US-4,158,705 |
Antigen-protein complex for blocking allergic reactions A multivalent complex suitable for blocking allergic reactions comprising (1) at least one Timothy antigen D fragment having the antigenic determinant... |
| US-4,158,704 |
Process and composition for permanent waving A process for effecting the reducing step in permanent waving by treating the hair with a thioglycolate under controlled conditions of concentration, pH, time... |
| US-4,158,703 |
T.sub.3 uptake test employing covalently bound bovine serum albumin An improved T.sub.3 uptake test procedure characterized in that the separating agent employed therein comprises bovine serum albumin covalently coupled to a... |
| US-4,158,702 |
Gas cleansing means Method and apparatus for treating gases by passing said gases horizontally through a plurality of spray zones wherein the gases are contacted in each spray zone... |
| US-4,158,701 |
Pyrohydrolysis system for processing fluorine-containing spent and waste
materials A pyrohydrolysis system is provided for the recovery of valuable components from waste and spent materials generated in electrolytic aluminum reduction... |
| US-4,158,700 |
Method of producing radioactive technetium-99M A chromatographic process of producing high purity and high yield radioactive Technetium-99m. A solution containing Molybdenum-99 and Technetium-99m is placed on... |
| US-4,158,699 |
Installation for the production of yellow phosphorus Installation for the production of yellow phosphorus comprises an electrothermal furnace and an apparatus for preliminary melting of phosphate-quartzite charge.... |
| US-4,158,698 |
Apparatus for continuous xanthation and production of viscose spinning
solution A continuous feed of alkali cellulose (AKC) is partially xanthated, and then dissolved and further xanthated to form a viscose solution, while passing... |
| US-4,158,697 |
Coal treatment apparatus Apparatus for the processing of solid fuel hydrocarbons including a reactor for hydrogenation of the fuel reactant and a combustion reactor for oxidation of the... |
| US-4,158,696 |
Air cushion restraint inflator assembly A gas generating device is disclosed which includes a substantially cylindrical outer sleeve defining groups of gas exit ports and a substantially cylindrical... |
| US-4,158,695 |
Electrothermal fluidized bed furnace Electrothermal fluidized bed furnace useful particularly for chlorination of oxide of zirconium and the like utilizes graphite reactor tube longitudinally... |
| US-4,158,694 |
Automated apparatus for testing sustained release drugs An automated apparatus for testing a sustained release drug according to a preselected program having a movable dissolution chamber, a first flow path connecting... |
| US-4,158,693 |
Blood oxygenator A blood oxygenator having two separable components one of which is disposable and the other of which is reusable and sterilizable. The disposable portion of the... |
| US-4,158,692 |
Method for the treatment of rigid plastic containers A method and an apparatus for treating mouth areas of rigid plastic containers in order to prevent cracking during the capping of the containers. The width of... |
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