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| Patent # | Description |
|---|---|
| US-4,536,337 |
Process for the preparation of quinones A process for preparing a quinone, which comprises reacting a polynuclear aromatic hydrocarbon and a ceric salt in an aqueous acid solution in the presence of an... |
| US-4,536,336 |
New anthracyclinones and their production A new compound of the formula ##STR1## wherein R.sup.1 is a hydrogen atom, a hydroxyl group or an alkoxyl group of 1-4 carbon atoms and R.sup.2 is an ethyl... |
| US-4,536,335 |
Carbapenem antibiotics Disclosed are novel carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which A represents cyclopentylene, cyclohexylene or... |
| US-4,536,334 |
Preparation of .beta.-lactam derivatives A process for preparing a .beta.-lactam derivative having a hydrogen atom on the nitrogen atom of the .beta.-lactam ring, which comprises reacting a ... |
| US-4,536,333 |
Method of polymerizing rosin Formic acid is disclosed as a catalyst for polymerizing rosin. The discovery is the basis of a method for polymerizing rosin by heating the rosin in the presence... |
| US-4,536,332 |
Tall'oil fatty acids-quality improvement Distilled tall oil fatty acids are improved by irradiation which isomerizes trans-dimethoxystilbene (trans-DMS) impurity to cis-dimethoxystilbene which is easily... |
| US-4,536,331 |
Non-toxic impregnant for electrical capacitors Soybean oil is used as a non-toxic dielectric fluid for a-c electrical capacitors. An additive of butylated hydroxyanisole is provided to prevent the soybean oil... |
| US-4,536,330 |
1-Hydroxymethyl-2-acyl cyclopropane derivatives and esters and cyclic
condensation products thereof,... Described are 1-hydroxymethyl-2-acyl cyclopropane derivatives defined according to the structure: ##STR1## wherein Z represents hydrogen, acyl having the... |
| US-4,536,329 |
Borosilicate glass compositions The invention is directed to a barium borosilicate glass which is free of Bi, Cd and Pb. The glass, which also contains small amounts of CoO, is especially... |
| US-4,536,328 |
Electrical resistance compositions and methods of making the same A composition for making electrical resistance elements including a conductive component which comprises (a) a precious metal oxide of the formula A'.sub.1-x A".sub.x... |
| US-4,536,327 |
Composition for protection against stray currents and process for using
the same The present invention relates to a conductive composition for protecting electric connections from parasitic currents, particularly those due to irradiations of... |
| US-4,536,326 |
Treatment of acrylamide and related compounds Acrylamide and related monomers are improved by incorporating therein an effective polymerization inhibitor in an amount greater than that which is inherently... |
| US-4,536,325 |
Preparation of stable oil-in-water emulsions of high oil content Stable oil-in-water emulsions containing more than 60% by weight of non-aqueous phase may be prepared using water-soluble salts of monoacyl cyanamides, of which... |
| US-4,536,324 |
Nonionic surfactant type vesicle dispersion A nonionic surfactant type vesicle dispersion comprising vesicles, dispersed in an aqueous medium, composed of (A) 100 parts by weight of at least one ethoxylate... |
| US-4,536,323 |
Non-flammable aerosol propellant microemulsion system The amount of gaseous flammable propellants such as dimethylether, difluoroethane, propane, butane, and the like can be increased to as high as from 30 to 50% by... |
| US-4,536,322 |
Fluorescent corrosive fluoride solution A composition of matter including an aqueous solution of hydrofluoric acid or ammonium fluoride and a dye that fluoresces when illuminated by ultra-violet light.... |
| US-4,536,321 |
Fluorobenzene derivatives and liquid crystal compositions containing the
same Novel liquid crystal compounds having a large positive dielectric anisotropy value and also a low viscosity and a good stability to heat, light, air and water,... |
| US-4,536,320 |
Nematic liquid crystalline composition A composition for a liquid crystal display containing at least one nematic liquid crystalline material having dissolved therein at least one anthraquinonic dye... |
| US-4,536,319 |
Compositions comprising alkylpolysaccharide detergent surfactant Specific alkylpolysaccharide detergent surfactants uniquely provides structure and detergency to detergent granules prepared by drying aqueous mixtures of the... |
| US-4,536,318 |
Foaming surfactant compositions Foaming compositions containing an alkylpolysaccharide surfactant and a cosurfactant mixture consisting essentially of an alkylbenzene sulfonate with either an... |
| US-4,536,317 |
Foaming surfactant compositions An agglomerated light-duty detergent granule composition containing an alkylpolysaccharide surfactant, an alkylbenzene sulfonate cosurfactant, an ... |
| US-4,536,316 |
Fabric softening composition containing surface modified clay A fabric softening composition is provided for use in admixture with a particulate detergent composition or as a softening additive to the wash solution separate... |
| US-4,536,315 |
Perfume-containing carrier having surface-modified particles for laundry
composition A perfume-containing carrier is provided for use in admixture with a particulate laundry detergent composition or as an additive to the wash solution separate... |
| US-4,536,314 |
Bleach compositions comprising non-linear aliphatic peroxycarboxylic
acid precursors Detergent compositions, detergent additive products and bleaching compositions containing aliphatic peroxyacid bleach precursors of formula ##STR1## are... |
| US-4,536,313 |
Peroxygen compound Increased energy costs have stimulated a demand for peroxygen compounds that are effective at ambient to hand-hot temperatures, but peroxyacids and acyl... |
| US-4,536,312 |
Sulfurized amine condensation products and lubricant compositions
containing same The present invention is directed to condensation products of amino substituted nitrogen heterocycles, such as pyridines, with unsaturated carboxylic acids as... |
| US-4,536,311 |
Multipurpose antirust and friction reducing additives and compositions
thereof Hydroxylalkyl hydrocarbyl imidazoline-acyl sarcosine reaction products exhibit good friction reducing and antirust properties when formulated into a variety of... |
| US-4,536,310 |
Hydrocarbon based gels and solutions of blends of sulfonate ionomers and
their precursors extended over... The present invention relates to hydrocarbon extended gels and solutions of blends of sulfonated ionomers and their precursors which behave as rigid gels at high... |
| US-4,536,309 |
Zwitterionic quaternary ammonium sulfonates and sulfates and lubricants
containing same Zwitterionic Quaternary ammonium sulfates, and sulfonates are provided as new compounds and as highly effective additives to lubricants and liquid fuels. They... |
| US-4,536,308 |
Lithium soap grease additive An experimental grease has been formulated with 8.5 wt % lithium 12-hydroxystearate in a base oil containing an additive composition of a synergistic blend of... |
| US-4,536,307 |
Lubricant composition Borated acyl sarcosines have been found to be effective multifunctional additives when added to lubricating oils or greases therefrom. They can be used as... |
| US-4,536,306 |
Borated phosphorus-containing compounds and lubricant compositions
containing same Certain diol-phosphorus oxyhalide-boron compound reaction products have been found to have antioxidant and antifriction properties and to hinder the corrosion of... |
| US-4,536,305 |
Methods for stabilizing swelling clays or migrating fines in
subterranean formations A method of treating an earthen formation containing swelling clays or migrating fines or combinations thereof to reduce the loss of permeability in said... |
| US-4,536,304 |
Methods of minimizing fines migration in subterranean formations A method of treating a permeable structure for the purpose of stabilizing fines in the structure. The method is carried out by contacting the fines with an... |
| US-4,536,303 |
Methods of minimizing fines migration in subterranean formations A method of treating a permeable structure for the purpose of stabilizing fines in the structure using organic copolymers containing N-vinylpyrrolidone in the... |
| US-4,536,302 |
Corrosion inhibition of aqueous brines A method and composition for reducing the corrosion effect of aqueous mediums such as brines on ferrous metals by incorporating in the brine an effective amount... |
| US-4,536,301 |
Enhanced oil recovery The recovery of residual oil which is found in subterranean reservoirs may be accomplished by utilizing an aqueous surfactant slug to reduce the interfacial... |
| US-4,536,300 |
Micellar solution for recovering crude oil An improved process for recovering crude oil from a geological formation containing it using a micellar solution containing as a surfactant a salt of a petroleum... |
| US-4,536,299 |
Perfuming with a macrocyclic carbonate Described is a class of macrocyclic carbonates defined according to the structure: ##STR1## wherein n is an integer of from 1 up to 8 and m is an integer of... |
| US-4,536,298 |
Aqueous foam fire extinguisher An aqueous foam fire extinguisher comprising (A) a surface-active agent having an anionic hydrophilic group, (B) a cationic water-soluble polymeric substance,... |
| US-4,536,297 |
Well drilling and completion fluid composition An improved well drilling and completion fluid composition which has excellent stability over a broad temperature range, has a low tubular goods corrosion rate,... |
| US-4,536,296 |
Drilling and completion muds useful at elevated temperatures The invention is clay based water drilling or completion muds with low viscosity and exceptional stability at elevated temperatures of up to 200.degree. C. The... |
| US-4,536,295 |
Method for separating coarse particles from a liquid For the purpose of separating coarse particles from a liquid such as water, e.g. in the cellulose industry, laundries etc., a vertical container is used in which... |
| US-4,536,294 |
Polymeric flocculants There is provided a flocculating process, especially for clay-water suspensions, in which high molecular weight polymers of N-loweralkyl substituted acrylamides... |
| US-4,536,293 |
Method of treating waste water A method of purifying waste water from oil well rigs in order that the water may be made suitable for reuse on the rig or disposed of conventionally is... |
| US-4,536,292 |
Carboxylic/sulfonic/quaternary ammonium polymers for use as scale and
corrosion inhibitors The instant invention is directed to a process for inhibiting corrosion and the formation and deposition of scale in aqueous systems, comprising adding to the... |
| US-4,536,291 |
Tubular filter element with mated end caps There is disclosed an axially folded tubular filter element for the filtration of fluids. The ends of the radially extending folds are in abutment at the... |
| US-4,536,290 |
Water filtration device A water purification device has first and second like hollow elongated members adapted for detachable engagement with each other, and when engaged defining an... |
| US-4,536,289 |
Filter press for dewatering of materials The filter press for dewatering of materials such as, for example, sewage sludges has two sieve belts or filter belts (18, 19) being passed, with inclusion... |
| US-4,536,288 |
Pocket centrifuge and method of operating same A pocket centrifuge has a plurality of sieve pockets having sieve surfaces and orbitable about an axis with the sieve surfaces forming sieve angles with... |
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