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| Patent # | Description |
|---|---|
| US-4,123,451 |
Preparation of esters Certain carboxylic acid esters also containing a cyano group are prepared by reacting an acid halide, an aldehyde and a water-soluble cyanide in the presence of... |
| US-4,123,450 |
Process for preparing alkyl isocyanates Alkylisocyanates are prepared by reacting a phenol or substituted phenol and phosgene in a halogenated hydrocarbon solvent with aqueous alkali metal hydroxide to... |
| US-4,123,449 |
4-Nitro-4-isocyanato- or amino-diphenyl ethers 4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula ##STR1## in which R is chlorine, fluorine or methyl, R' is hydrogen, chlorine or... |
| US-4,123,448 |
Adiabatic reactor An improved adiabatic reactor for exothermic catalytic reactions is disclosed. The improvement in the reactor comprises the use of multiple injection devices to... |
| US-4,123,447 |
Trans-halo(acyl)bis(triethylphosphine)nickel(II) complexes and
preparation thereof trans-Halo(acyl)bis(triethylphosphine)nickel (II) complexes and methods of preparing and using them are disclosed. |
| US-4,123,446 |
Synthesis of metal alkyl carbonates A process is described for preparing metal alkyl carbonates, useful as carboxylating agents, which comprises reacting an inorganic metal salt with an aliphatic... |
| US-4,123,445 |
Novel homogeneous transition-metal catalyzed geometric isomerization of
cyclic epoxy alcohols Geometrical isomerization of cyclic epoxy alcohols such as cis- or trans-1,2-epoxy-3-hydroxycyclohexane may be equlibrated by the use of soluble transition metal... |
| US-4,123,444 |
2-Alkoxy-tetrahydrofurans via hydroformylation of allylic alcohols 2-Alkoxytetrahydrofurans are prepared by hydroformylation of an allylic alcohol in the presence of an alkanol and a rhodium hydroformylation catalyst. The... |
| US-4,123,443 |
Process for the preparation of bromoacetic acid and esters thereof New economically valuable and convenient methods for preparing bromoacetic acid and its esters from chloroacetic acid are disclosed. |
| US-4,123,442 |
Regeneration of maleic anhydride vanadium-phosphorus-oxygen catalyst by
contacting with sulfur trioxide The catalytic properties of a complex catalyst comprising vanadium, phosphorus and oxygen which is used for the oxidation of hydrocarbons to maleic anhydride can... |
| US-4,123,441 |
Enlarged-hetero-ring prostacyclin analogs Prostaglandin (PG.sub.1) derivatives having (1) a 5-keto feature, for example ##STR1## or (2) a 9-deoxy-5,9-epoxy feature together with a 4-halo or... |
| US-4,123,440 |
Bicyclo [2.2.1]-heptane-2,3,di-endo-carboxylic acid imide esters A series of 5-endo-(benzothiophene-carbonyloxy)-N[amino-(lower)alkyl]bicyclo[2.2.1]-he ptane-2,3-di-endo-carboxylic acid imides has been found to possess ... |
| US-4,123,439 |
Chromenoindole compounds A chromenoindole compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of one another represent hydrogen, alkyl which has at most 12... |
| US-4,123,438 |
Process for preparing 2-pyrrolidones 2-PYRROLIDONE OR A SUBSTITUTED 2-PYRROLIDONE IS PREPARED IN HIGH YIELDS BY HYDROGENATING SUCCINONITRILE, OR AN ALKYL-SUBSTITUTED SUCCINONITRILE, AT ... |
| US-4,123,437 |
Process for preparing 1,2,4-triazole derivatives 1,2,4-TRIAZOLE DERIVATIVES WHICH HAVE PARTICULAR IMPORTANCE AS INTERMEDIATES FOR, E.G., THE PREPARATION OF ACTIVE SUBSTANCES FOR PEST CONTROL, CORRESPONDING TO... |
| US-4,123,436 |
Polycarbonate composition plasticized with esters A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of an ester. |
| US-4,123,435 |
Nitro-substituted benzoxazoles having utility as metallurgical
extractants Nitro-substituted 2-(2-hydroxyphenyl)benzoxazoles of the formula ##STR1## wherein one of R.sup.3 and R.sup.4 is --NO.sub.2 and the other is --H, --NO.sub.2... |
| US-4,123,434 |
Process for preparing trimeric .DELTA..sup.1 -piperideins and trimeric
1-pyrroline Trimeric piperideins and trimeric pyrrolidine are prepared by saponification of 1-acyl-2-alkoxypiperidines or pyrrolidines of the general formula ##STR1## ... |
| US-4,123,433 |
2-Cyano-5-(substituted triphenylmethyl) pyridines Disclosed herein are novel 5-tritylpicolinic acids, amides, esters and pharmaceutically acceptable salts thereof. Also disclosed are methods for the use of said... |
| US-4,123,432 |
Tetrazole-5-carboxamide derivatives Anti-allergic agents of N-aromatic 1H-(or 2H) tetrazole-5-carboxamide derivation present the following formulae: ##STR1## in which R.sup.1 is --CN or... |
| US-4,123,431 |
Non-oxo-carbonyl containing benzoyl ecgonine and cocaine compounds and
derivatives thereof Non-oxo-carbonyl substituted derivatives of cocaine are provided for conjugation with other compounds to provide reagents for use in a diversity of immunoassay... |
| US-4,123,430 |
2-Aryl-4-(1-piperazinyl)-3H-1,5-benzodiazepines 2-Aryl-4-(1-piperazinyl)-3H-1,5-benzodiazepines of the formula ##STR1## wherein R is hydrogen, alkyl having from 1 to 7 carbon atoms or phenyl; Ar is... |
| US-4,123,429 |
1:1 Chromiferous complex azo compounds having a bidentate chelating
group and a monofunctional neutral ligand Chromiferous complexes of the type: ##STR1## IN WHICH (I) represents the residue of a metallizable azo or azomethine compound, (II) represents the residue... |
| US-4,123,428 |
Metallized polyazo dyes derived from a coupling component obtained by
acidic condensation of formaldehyde with... Metal complex polyazo dyes having, as a coupling component radical, the radical of a coupling component K, being the product of the condensation, under acidic... |
| US-4,123,427 |
Method for the purification of mycobacterial protein antigens and
resulting product The subject invention is directed in general to a method of preparing an antigen using immunoabsorbent affinity chromotography particularly in cases where an... |
| US-4,123,426 |
Process for decomposing microbial cells Foamable hydrolyzed proteins substantially free from lipid, nucleic acids, and nucleic acid related substances are obtained by decomposing microbial cells with... |
| US-4,123,425 |
(2-MeAla.sup.5)-somatostatin and analogues thereof Polypeptides of the formula: ##STR1## wherein: R is hydrogen, lower alkanoyl, Ala--Gly--, Gly--Gly--Gly--, Ala--D--Ala-- or p-Glu; And X.sub.8 is L--Trp or... |
| US-4,123,424 |
Polymeric piperazinamides and membranes for reverse osmosis made
therefrom Polymeric piperazinamides suitable for use in reverse osmosis membranes. These polymeric piperazineamides consist essentially of the repeating unit ##STR1## ... |
| US-4,123,423 |
Process for the manufacture of plastics containing ester and/or urethane
groups The present invention is concerned with a process for preparing aqueous dispersions from solid polymer precursors which are polyester or polyurethane oligomers... |
| US-4,123,422 |
Amide modified saturated polyester polyols and method of making Amide modified saturated polyester polyols having an acid number of from about 0 to about 27, a hydroxyl number of from about 12 to about 360 and an amine number... |
| US-4,123,421 |
Stable tertiary amine containing terminally unsaturated polyurethane
resins Novel stable substantially linear unsaturated polyurethane resins which lend themselves to polymerization, in air, by actinic light using low levels of... |
| US-4,123,420 |
Aromatic copolyester composition containing phosphorus compounds An aromatic copolyester composition comprising (A) an aromatic copolyester derived from terephthalic acid, isophthalic acid and a bisphenol and (B) a ... |
| US-4,123,419 |
Stabilized thermoplastic polyesterurethanes The instant invention is directed to novel color and hydrolytically stable thermoplastic polyester urethanes. The invention broadly consists of adding... |
| US-4,123,418 |
Stabilizer system for stabilizing styrene polymers Stabilizer system consisting of (a) at least one sterically hindered cyclic amine of the formula I ##STR1## in which q is 1 or 2, X represents an organic... |
| US-4,123,417 |
Low density polyethylene toughened with ethylene/propylene copolymer The toughness of low density polyethylene film is increased by incorporating therein a small amount of an ethylene-propylene copolymer containing between about... |
| US-4,123,416 |
Curable composition comprising a calcium fluoro-alumino silicate glass
and poly(carboxylic acid) or precursor... A novel calcium fluoroaluminosilicate glass consisting essentially of from 25 to 35% by weight of silicon calculated as silica, from 30 to 40% by weight of... |
| US-4,123,415 |
Reinforced thermoplastic polyester compositions having improved
resistance to heat deflection Reinforced thermoplastic compositions are provided which comprise a high molecular weight polyester resin and a glass fiber reinforcement wherein the glass... |
| US-4,123,414 |
Method of manufacturing reinforced phenol resin articles, and products
thus obtained Method of manufacturing molded articles of liquid phenol resins or resols, obtained by simultaneously projecting onto a mold surface at least one resin of the... |
| US-4,123,413 |
Polycarbonate composition containing urethane plasticizer A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of a urethane plasticizer. |
| US-4,123,412 |
Urethane-base sealing material A thixotropic urethane-base sealing material comprising a base polymer selected from the group consisting of a urethane prepolymer and a mixture thereof with a... |
| US-4,123,411 |
Plasticized composition of copolyetherester elastomer and aromatic
sulfonamide Compositions are described comprising segmented thermoplastic copolyetherester elastomers plasticized with aromatic sulfonamides containing at least two... |
| US-4,123,410 |
Polyphenylene ether resin compositions of reduced melt viscosity There are provided thermoplastic polyphenylene ether resin compositions which comprise, in admixture, a major proportion of the polyphenylene ether resin, a... |
| US-4,123,409 |
Sealing material for use in contact with animal tissue A sealing material for use in contact with animal tissue such as for sealing a stoma opening. The material is a thermoplastic elastomer made by mixing: (1) at... |
| US-4,123,408 |
Hydrogel contact lens Contact lens of a hydrogel composition containing a physiologically acceptable aqueous solution and water-insoluble but water-swellable polymer composition... |
| US-4,123,407 |
Hydrophilic contact lens Contact lens of a hydrogel composition containing a physiologically acceptable aqueous solution and water-insoluble but water-swellable polymer composition from... |
| US-4,123,406 |
Method of preparing shaped articles from cross-linked hydrogels A method of preparing cross-linked hydrogels in the form of shaped articles, insoluble in any solvent but swellable in water and in aqueous liquids, is provided.... |
| US-4,123,405 |
Process for producing aqueous emulsions of vinyl chloride/vinyl
acetate/ethylene terpolymers In the process for producing the aqueous emulsion of vinyl chloride/vinyl acetate/ethylene terpolymer by polymerizing vinyl chloride, vinyl acetate and ethylene... |
| US-4,123,404 |
Water-based coatings Water-thinnable, di- or polyesters and water-insoluble coatings which are particularly suitable as wood finishes and which are made by reaction of the di- or... |
| US-4,123,403 |
Continuous process for preparing aqueous polymer microsuspensions Aqueous polymer microsuspensions having controlled particle size and narrow particle size distribution are prepared by a continuous process comprising the steps... |
| US-4,123,402 |
Curing agent for water-based epoxy resins The present invention relates to curing agents for epoxy resins. More particularly, the present invention relates to water soluble or water-dispersible curing... |
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