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| Patent # | Description |
|---|---|
| US-5,689,016 |
Cobalt-catalyzed process for preparing alkanediols using a rhodium
promoter An alkanediol such as 1,3-propanediol is prepared in a process which involves reacting an alkylene oxide with carbon monoxide and hydrogen in an essentially... |
| US-5,689,015 |
Method for the production of ether and alkylate from a paraffin feedstock A process for the production of ethers and alkylate from a paraffin feedstock. The process includes a novel arrangement of dehydrogenation, isomerization,... |
| US-5,689,014 |
Integrated process for producing diisopropyl ether and an isopropyl
tertiary alkyl ether A highly integrated process for concurrently producing diisopropyl ether and an isopropyl tertiary alkyl ether has been developed. In a first reactor, propylene... |
| US-5,689,013 |
Process for preparing tertiary alkyl ethers from an olefinic hydrocarbon
feedstock The present invention concerns a process for preparing tertiary alkyl ethers. The process comprises the steps of contacting in the presence of a catalyst a... |
| US-5,689,012 |
Continuous preparation of low unsaturation polyoxyalkylene polyether
polyols with continuous additon of starter A continuous process for the preparation of polyoxyalkylene polyethers using DMC catalysts as the polyoxyalkylation catalyst employs continuous addition of... |
| US-5,689,011 |
Process for the production of glyoxals and catalysts therefor The present invention provides a process for the production of glyoxals which comprises effecting the oxidative dehydrogenation of a glycol at a temperature of... |
| US-5,689,010 |
Preparation of higher aldehydes Aldehydes with a higher number of carbon atoms and high selection are prepared by reacting olefins, in particular from petrochemical refinery products, by a... |
| US-5,689,009 |
Preparation of hydroxybenzaldehydes Hydroxybenzaldehydes, for example salicylaldehyde, are prepared in high yields by oxidizing the corresponding hydroxybenzyl alcohols, e.g., saligenol, with... |
| US-5,689,008 |
Catalytic reaction rate enhancement at low temperatures The present invention relates to sustaining high reaction rates at lower reaction temperatures than conventionally utilized with the particular catalyst. The... |
| US-5,689,007 |
Process of preparing para substituted phenylamines Processes of preparing para substituted phenylamines, such as, p-phenylenediamines, and particularly, p-aminodiphenylamine. One process involves contacting... |
| US-5,689,006 |
Process for producing n-alkyl-dinitroalkylanilines This invention relates to a process for producing N-alkyl-dinitroalkylaniline and particularly N-sec-butyl-4-tert-butyl-2,6-dinitroaniline by methylation of an ... |
| US-5,689,005 |
Reductive deoxygenation using a redox catalyst A process for the deoxygenation of organic oxo compounds, in particular phosphine oxides to phosphines and nitrobenzene to aniline, with reduced redox catalysts... |
| US-5,689,004 |
Diamines containing pendent phenylethynyl groups Controlled molecular weight imide oligomers and co-oligomers containing pendent phenylethynyl groups (PEPIs) and endcapped with nonreactive or phenylethynyl... |
| US-5,689,003 |
Ruthenium hydrogenation catalysts The invention relates to a novel ruthenium complex having the formula Ru(.eta..sup.3 --C.sub.6 H.sub.8 --PCy.sub.2)(PCy.sub.3)Cl, wherein Cy is cyclohexyl; its... |
| US-5,689,002 |
Process for the crystallization from water of
... This invention refers to a process for the crystallization from water of S-N,N'-bis[2-hydroxy-1(hydroxymethyl)ethyl]-5-[(2-hydroxy-1-oxopropyl)amin ... |
| US-5,689,001 |
Process for purifying valine A process is provided for obtaining high-purity valine in high yield by a simple method using an inexpensive precipitant of p-isopropylbenzene sulfonic acid or a... |
| US-5,689,000 |
Process for preparing carboxylic acid salts and catalysts useful in such
process A process to manufacture a carboxylic acid salt is disclosed wherein an aqueous solution of a primary alcohol is contacted with a base hydroxide in the presence... |
| US-5,688,999 |
Production of oxidized humic acids by an oxygen-alkali process A method is disclosed for the production of oxidized humic acids. The process of the invention comprises reacting humic acid bearing ores with oxygen under... |
| US-5,688,998 |
Surface reforming agent, surface reforming method and cone-type calix [4] r
e The disclosure describes a surface reforming agent comprising a cone-type calix [4] resorcinarene compound represented by the formula (I): ##STR1## wherein... |
| US-5,688,997 |
Process for preparing intermediates for a combinatorial
dihydrobenzopyran library Combinatorial libraries are disclosed which are represented by Formula I: wherein: S is a solid support; T'-L- is an identifier residue; and -L'-II' is a ... |
| US-5,688,996 |
Ethyene containing cysteate sequestrants and methods of manufacture Novel compounds useful as sequestrants as well as builders for detergent compositions and methods for their preparation are disclosed. |
| US-5,688,995 |
o-Hydroxyphenyl-s-triazines A description is given of o-hydroxyphenyl-s-triazines containing at least two alkoxyphenyl-substituents. They have the formula (1). The compounds according to the... |
| US-5,688,994 |
Process for preparing N-phosphonomethyliminodiacetic acid A process for the preparation of N-phosphonomethyliminodiacetic acid is disclosed. The process comprises simultaneously infusing into a reaction mixture water, a... |
| US-5,688,993 |
Method for modifying catalyst performance during the gas phase synthesis
of vinyl acetate An improved method for synthesizing vinyl acetate by the gas phase reaction of acetic acid with ethylene in the presence of oxygen. At least two catalyst... |
| US-5,688,992 |
O-malonyltryrosyl compounds, O-malonyltryrosyl compound-containing
peptides, and use thereof The present invention relates to non-phosphorus containing O-malonyltryrosyl compounds, derivatives thereof, uses of the O-malonyltryrosyl compounds in the... |
| US-5,688,991 |
Ferulic acid ester antioxidant/UV absorbent An antioxidant/UV absorbent useful in cosmetics is formed of an ester of ferulic acid with an alkanol having 1 to 12 carbon atoms. |
| US-5,688,990 |
Substituted azetidinone compounds useful as hypocholesterolemic agents Substituted azetidinone hypocholesterolemic agents of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: Ar.sup.1 is R.sup.3... |
| US-5,688,989 |
Polyurethane foams modified with nonionic surfactants A polyurethane composition for the production of single-component polyurethane foams on dry or wet substrates, wherein the composition is the reaction product of... |
| US-5,688,988 |
Process for the procuction of aromatic urethanes A process is described for the preparation of aromatic urethanes in which organic carbonate in a stoichiometric quantity or in a quantity higher than the... |
| US-5,688,987 |
Non-subliming Mid-UV dyes and ultra-thin organic arcs having
differential solubility Mid-UV dyes enabling ultra thin antireflection coatings for multi-layer i-line photoetching are produced from bichalcones; ... |
| US-5,688,986 |
Processes and catalyst compositions for hydrocyanation of monoolefins Processes for hydrocyanation of nonconjugated acyclic aliphatic monoolefins, monoolefins conjugated to an ester group, or monoolefins conjugated to a nitrile... |
| US-5,688,985 |
Process for producing keto nitrile derivative A process for producing a (4S)-4-(N,N-dibenzyl)amino-5-phenyl-3-oxo-pentanenitrile derivative which comprises reacting a (2S)-2-(N,N-dibenzyl)aminophenylalanine... |
| US-5,688,984 |
Porous lithium aluminate carrier of spinel structure for catalyst A porous lithium aluminate carrier for catalyst has a spinel structure which has a mean pore diameter in the range of 40 to 1,000 angstroms and a total pore... |
| US-5,688,983 |
Process for the preparation of tetraethyl methylenebisphosphonate This invention relates to a process for the preparation of tetraethyl methylenebisphosphonate by the reaction of dichloromethane with diethyl phosphite, wherein... |
| US-5,688,982 |
No-bleach process for making sulfonated fatty acid alkyl ester surfactant An improved, no -bleach process for the production of sulfonated fatty acid alkyl ester surfactants containing sulfonated fatty acid alkyl esters and less than... |
| US-5,688,981 |
Ethylenediaminetriacetic acid and N-acyl ethylenediaminetriacetic acid
silver chelating agents and surfactants Silver chelating agent and surfactant that exhibits photosensitivity and antimicrobial activity. The silver can be chelated with ethylenediaminetriacetic acid... |
| US-5,688,980 |
Organometallic lead precursor, in-situ synthesis thereof, lead-titanium
based thin film using the same, and... An organometallic lead precursor, represented by following formula: wherein L is an electron donor ligand selected from the group consisting of NR.sub.3 (R=H,... |
| US-5,688,979 |
Organometallic zirconium precursor, in-situ synthesis thereof,
lead-titanium based thin film using the same,... An organometallic zirconium precursor, represented by following formula: wherein L is an electron donor ligand selected from the group consisting of NR.sub.3... |
| US-5,688,978 |
Preparation of beta hydroxylakyl-terminally branched fatty acid amides New and improved thickeners for mixtures of one or more surface active agent include beta-hydroxyalkyl-terminally branched fatty acid amides. The new and... |
| US-5,688,977 |
Method for docetaxel synthesis A method of producing docetaxel comprises the esterification of C7, C10 di-CBZ 10-deacetyl baccatin III and an N-CBZ C2'-protected 3-phenyl isoserine side chain... |
| US-5,688,976 |
Process for the production of 8 .alpha.,
12-oxido-13,14,15,16-tetranorlabdane The invention relates to a process for producing 8.alpha.,12-oxido-13,14,15,16-tetranorlabdane through the cyclizing dehydration of 8.alpha.,12... |
| US-5,688,975 |
Rare earth stabilized Cr/Ti substituted molecular sieves Molecular sieve compositions have been synthesized which are resistant to the loss of framework atoms. Specifically, the molecular sieves of the invention have... |
| US-5,688,974 |
Process for the preparation of an endothelin antagonist The instant invention relates to a process for the stereoselective synthesis of a compounds of formula I: ##STR1## |
| US-5,688,973 |
Process for the production of 2-vinyl-1,3-dioxolane Process for the production of 2-vinyl-1,3-dioxolane reacting acrolein with ethylene glycol in the presence of a solid, acidic catalyst and recovery of the... |
| US-5,688,972 |
Preparation of acetals A process for the preparation of acetals by reacting one or more ethylenically unsaturated compounds with carbon monoxide, hydrogen and a liquid or dissolved... |
| US-5,688,971 |
Process for producing dikegulac, its salts and derivatives A process is provided for producing dikegulac and its salts and derivatives from 2-keto-L-gulonic acid starting material. |
| US-5,688,970 |
Process to recycle exhaust gases from n-butane conversion into maleic
anhydride In producing maleic anhydride by catalytic oxidation of butane in vapor phase, the reaction mixture consists of butane and a recycle gaseous current made of... |
| US-5,688,969 |
Process for the preparation of thiophene-2-5-dicarboxylic acid and the
dichloride thereof The invention relates to a process for the preparation of thiophene-2,5-dicarboxylic acid by reacting thionyl chloride and adipic acid, with pyridine as... |
| US-5,688,968 |
Enantioselective synthesis of
5,6-dihydro-(S)-4-(ethylamino)-(S)-6-methyl-4H-thieno[2,3-B]thiopyran-2-
... A key step in the synthesis of 5,6-dihydro-(S)-4-(ethylamino)-(S)-6-methyl-4H-thieno[2,3-b]thiopyran-2-su lfonamide 7,7-dioxide (dorzolamide) and related... |
| US-5,688,966 |
Compounds and method for synthesizing sulfoindocyanine dyes Novel intermediates having an indolenine nucleus which are useful in the synthesis of fluorescent sulfoindocyanine dyes are described. Dyes synthesized using... |
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