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| Patent # | Description |
|---|---|
| US-5,347,048 |
Process for producing
(.+-.)-2,5,5,8a-tetramethyl-1-(carboxymethyl)-2-hydroxydecalin A process for producing (.+-.)-2,2,2,5a-tetramethyl-1-(carboxymethyl)-2-hydroxydecalin, comprising the steps of allowing a carbonate of... |
| US-5,347,047 |
Preparation of acylaromatic compounds Acylaromatic compounds are prepared from aromatic compounds and carboxylic acids by reacting the starting compounds with phosgene in the presence of an aliphatic... |
| US-5,347,046 |
Catalyst and process for using same for the preparation of unsaturated
carboxylic acid esters Disclosed are catalyst compositions comprising (i) one or more palladium group metals and/or compounds thereof; (ii) gold and/or compounds thereof; and (iii)... |
| US-5,347,045 |
Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes,
process for their preparation and their use... Sulfonated diphosphines of the formula ##STR1## in which Ar is m-C.sub.6 H.sub.4 --SO.sub.3 M, M is hydrogen, ammonium, a monovalent metal, or the chemical... |
| US-5,347,044 |
Trans-beta-isocyanatoacrylate esters, their preparation, and polymers
made therefrom Novel trans-beta-isocyanatoacrylate esters, their preparation and use in forming novel polymeric compositions, including polymers useful as adhesives, are... |
| US-5,347,043 |
Process for preparing Michael addition products Dialkyl malonate/alkyl acrylate Michael addition product mixtures having at least three acceptor moieties in a substantial number of the molecules can be... |
| US-5,347,042 |
Optically active sulphur-containing amino acid derivatives, their
preparation, their polymerisation to give... The invention relates to new optically active sulphur-containing amino acid derivatives, a process for their preparation, their polymerisation to give optically... |
| US-5,347,041 |
Molecular composites Monomers containing two diacetylene segments each of which is connected on one end through a spacer segment to a central mesogen segment, and on the other end to... |
| US-5,347,040 |
Sensitized onium salts Onium salt capable of generating acid upon exposure to actinic radiation having the following structure: where: Q is S; R.sub.1, R.sub.2 and R.sub.3 are independently... |
| US-5,347,039 |
Process for the preparation of derivatives of 3,5-dihydroxypentanoic acid This invention is directed to a method for stereoselectively preparing a syn-dihydroxylated compound comprising reacting a 3-hydroxyket-1-one with a borohydride... |
| US-5,347,038 |
Process of the preparation of 2,5-di-phenylamino-terephthalic acid and
its dialkyl esters in a high purity An ecologically and economically improved process for the preparation of 2,5-di-phenylamino-terephthalic acid and its di-alkyl esters of the formula (1) ... |
| US-5,347,037 |
(RR) and (RS stereoisomers of
N-(7-ethoxycarbonylmethoxy-1,2,3,-tetrahydronaphth-2-yl)-2-(3-chlorophen
... A process for the preparation of a compound of formula (I) ##STR1## which is a (RR) and (RS) stereoisomer of ... |
| US-5,347,036 |
Substituted di-t-butylphenols Novel compounds which are 2,6-di-t-butylphenols substituted on the 4 position by an anilino group, which anilino group is substituted by a carboxyl substituent,... |
| US-5,347,035 |
Method for crystallizing .alpha.-L-aspartyl-L-phenylalanine methyl ester A method for crystallizing .alpha.-L-aspartyl-L-phenylalanine methyl ester from a hot aqueous solution containing .alpha.-L-aspartyl-L-phenylalanine methyl ester... |
| US-5,347,034 |
Process for the production of poly(O-alkylurethanes) of the diphenyl
methane series The present invention relates to an improved process for the production of monomeric and polymeric poly(O-alkylurethanes) of the diphenyl methane series. The... |
| US-5,347,033 |
Preparation of 5-cyanovaleramide A process for preparing 5-cyanovaleramide by reacting adiponitrile with water at from 50.degree. to 200.degree. C. in the presence of a supported ... |
| US-5,347,032 |
Preparation of alkyl cyanoacetates A process for the preparation of C.sub.4 -C.sub.10 alkyl cyanoacetates by the reaction of cyanoacetic acid with C.sub.4 -C.sub.10 alkanols at a temperature of... |
| US-5,347,031 |
Catalysts used for producing carbonic acid esters and methods of
producing carbonic acid esters using the same The present invention relates to a novel catalyst having a stable catalytic activity for catalyzing the reaction of an alcohol with carbon monoxide and oxygen to... |
| US-5,347,030 |
Radioiodinated phospholipid ether analogues and methods of using same Novel radioiodinated analogues of naturally-occurring phospholipid ethers are tumor-specific and have a triglycerol backbone structure which, in certain... |
| US-5,347,029 |
Dialkyl (dialkoxyphosphinyl)methyl phosphates as anti-inflammatory agents Provided are novel dialkyl (dialkoxyphosphinyl)methyl phosphates of formula ##STR1## which am useful as anti-inflammatory and anti-arthritic agents. The ... |
| US-5,347,028 |
Highly functionalized polycyclosiloxanes and their polymerization into
thermally reversible living rubbers A composition curable to a thermally reversible rubber comprises (i) a strong acid catalyst having a pK.sub.a of less than about -9, (ii) at least one polycyclosiloxane... |
| US-5,347,027 |
Noble metal supported on a base metal catalyst The present invention provides an electroless process for making a catalyst in a liquid or gaseous medium comprising contacting a base metal with a chemical... |
| US-5,347,026 |
Fluorene compounds and methods for making A Process is disclosed comprising reacting an alkali metal salt of Z with MX.sub.4 to form a trihalo compound; reacting the trihalo compound with an alkali metal... |
| US-5,347,025 |
Catalyst for polymerization of vinyl compound A novel catalyst for polymerization of a vinyl compound is provided which comprises, as a catalyst component (A), an organometal complex represented by General... |
| US-5,347,024 |
Preparation of addition polymerization catalysts via Lewis acid
mitigated metal center oxidation Addition polymerization catalysts comprising a derivative of a titanium or zirconium in the +4 oxidation state prepared by metal center oxidation and cation... |
| US-5,347,023 |
Process for treating fatty acids A mixture of branched fatty acids containing 18 carbon atoms such as commercial iso-stearic acid is treated to lower the freezing point to below -10.degree. C.,... |
| US-5,347,022 |
Preparation of DI- or triarylmethane dyes by oxidation A process for preparing di- or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen transfer catalyst that... |
| US-5,347,021 |
Process of vapor phase catalytic hydrogenation of maleic anhydride to
gamma-butyrolactone in high conversion... Vapor phase catalytic hydrogenation of maleic anhydride to gamma-butyrolactone is achieved in a conversion of 95% or more and a selectivity of 80% or more during... |
| US-5,347,020 |
Process for the preparation and purification of thermolabile compounds The invention relates to a new process for the preparation and purification of thermolabile compounds. |
| US-5,347,019 |
Process for the preparation of 4-(2-aminophenylthio)naphthalic anhydride
derivatives 4-(2-Aminophenylthio)naphthalic anhydride derivatives are obtained in good yields and purities by reaction of 2-aminothiophenolates with 4-chloro- or ... |
| US-5,347,018 |
Process for producing sulfolane compounds A process for producing sulfolane compounds is provided which comprises: (1) contacting a conjugated diene with sulfur dioxide under conditions sufficient to... |
| US-5,347,017 |
Process for chiral
3-(1-amino-1,1-bisalkylmethyl)-1-substituted-pyrrolidines The process for the preparation of chiral 3-(1-amino-1,1-bisalkylmethyl)-1-substituted-pyrrolidines used as key intermediates for the preparation of... |
| US-5,347,016 |
N-oxygenated arylpyrrole intermediates for insecticidal, acaricidal and
nematicidal agents Novel N-oxygenated arylpyrrole compounds which are effective for the control of insects, acarids and nematodes are described. A method for the insecticidal,... |
| US-5,347,015 |
Disulfides Disulfides of the general formula where X.sup.1 and X.sup.2 are identical to one another and are each --Br, --N-phthalimide, --NH.sub.2, --OOC--(CH.sub.2).sub.3... |
| US-5,347,014 |
Process for preparing 1,4-diketo-3,6-diphenylpyrrolo-[3,4-C]-pyrrole A new platelet form of 1,4-diketo-3,6-diphenylpyrrolo-[3,4-C]-pyrrole which is prepared by heating 1,4-diketo-3,6-diphenylpyrrolo-[3,4-C]-pyrrole to elevated... |
| US-5,347,013 |
6-heterocyclic-4-amino-1,2,2a,3,4,5-hexahydrobenz[cd]indoles 6-Heterocyclic-4-amino-l,2,2a,3,4,5-hexahydrobenz[cd]indoles are provided which are useful in modifying the function of serotonin in mammals. |
| US-5,347,012 |
Naphthothiopyranone derivatives A naphthothiopyranone derivative represented by the formula: ##STR1## (wherein R.sup.1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms) and... |
| US-5,347,011 |
Substituted triazoles as angiotensin II inhibitors This invention relates to novel bis-biphenyl substituted 3-mercapto-1,2,4-tetrazoles and to pharmaceutically acceptable salts thereof. The compounds are... |
| US-5,347,010 |
Tetrzolinone herbicides Novel tetrazolinones of the formula (I) ##STR1## wherein X is chlorine or bromine, Y is hydrogen, chlorine, bromine, methyl or ethyl, and R.sup.1 and R.sup.2 are... |
| US-5,347,009 |
Herbicidal 1-(3-halo-4-trifluoromethylphenyl) tetrazolinones Herbicidal 1-(3-halo-4-trifluoromethylphenyl) tetrazolinones of the formula ##STR1## wherein X represents halogen, R.sup.1 represents C.sub.1-3 alkyl,... |
| US-5,347,008 |
Thio(cyclo) alkanepolycarboxylic acids containing heterocyclic
substituents Compounds of the formula ##STR1## in which X is --S--, --O-- or --NH--, R is H or a monovalent substituent, n is 0 or 1 and R.sup.1, R.sup.2, R.sup.3 and... |
| US-5,347,007 |
Method of preparing 7-oxabicycloheptyl substituted heterocyclic amide
prostaglandin analogs useful in the... A method is provided for preparing 7-oxabicycloheptyl substituted heterocyclic aide prostaglandin analogs which are thromboxane A.sub.2 (TXA.sub.2) receptor... |
| US-5,347,006 |
Method of preparing a polymorph of terfenadine The invention relates to a method for preparing HMP terfenadine comprising the steps of reacting terfenadone free-base with sodium borohydride to yield mixed... |
| US-5,347,005 |
Pharmaceutical compositions containing (65)-folinic acid and salts
thereof The invention relates to a process for preparing (6S)-folinic acid and its salts by recrystallization of alkaline-earth salts of (6R,S)-folinic acid and, where... |
| US-5,347,004 |
Mixtures of hexahydrotriazines useful as H.sub.2 S scavengers A mixture of amines made by reacting an amine compound with an aldehyde compound has been found to reduce the levels of H.sub.2 S in liquid or gaseous... |
| US-5,347,003 |
Methods for regenerating a sulfur scavenging compound from a product of
a sulfur scavenging reaction Methods are provided whereby an N-C-N compound is regenerated from a product of a sulfur scavenging reaction, in which said N-C-N compound removes a sulfur atom... |
| US-5,347,002 |
Nitrogen-containing perfluoroalkanoyl peroxide and method for production
thereof A nitrogen-containing perfluoroalkanoyl peroxide is provided which is represented by the formula: ##STR1## wherein Rf.sub.1 and Rf.sub.2 independently stand... |
| US-5,347,001 |
Process for preparing sulphonylpristinamycin II.sub.B Method for preparing (dialkylamino-2 alkyl)sulphonyl-26 pristinamycin II.sub.B having general formula (I) ##STR1## by oxidation of (dialkylamino-2... |
| US-5,347,000 |
Process for the preparation of 2-chlorosulfinylazetidinone A process for preparing a 2-chlorosulfinylazetidinone comprises heating in an inert organic solvent a penicillin sulfoxide ester, at a temperature between about... |
| US-5,346,999 |
Method of nucleic acid extraction An automated apparatus is provided which implements a new method of extracting and purifying nucleic acids from cells without the use of centrifugation. In the... |
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