Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-5,410,102 Cable bushing
A cable bushing which provides for an electromagnetically tight guidance of a shielded electrical cable, the jacket of which has been stripped from the shield in...
US-5,410,101 Pickup unit for electric string instrument
In construction of a pickup unit used for electroacoustic conversion of various vibrations produced on a string instrument, a piezoelectric assembly clamped...
US-5,410,100 Method for recording a data file having musical program and video signals and reproducing system thereof
The data file recording method and reproducing system record musical performance tune signal in the form of MIDI information and background video signal on CD in...
US-5,410,099 Channel assigning system for use in an electronic musical instrument
A channel assigning system which effects an assignment of a channel other than a predetermined number channels which are preferentially assigned to any part of a...
US-5,410,098 Automatic accompaniment apparatus playing auto-corrected user-set patterns
An automatic accompaniment apparatus employs a chord designating section, a pattern memory, special operation designating section, a pattern read out section, a...
US-5,410,097 Karaoke apparatus with skip and repeat operation of orchestra accompaniment
In a Karaoke apparatus, a sound synthesizer reproduces an instrumental accompaniment of a song requested by a singer during the course of a vocal performance of...
US-5,410,096 Plants with modified flower color and methods for their production by genetic engineering
Described are plants not naturally capable of reducing dihydrokaempferol and containing a DNA sequence inserted according to recombinant DNA techniques which DNA...
US-5,410,095 Process for the production of pentaflourodimethyl ether
A process for the manufacture of pentafluorodimethyl ether is disclosed which involves contacting at least one starting compound selected from the group...
US-5,410,094 Tertiary alkynols
Processes for synthesizing tertiary alkynols by reacting carbonyl-group-containing compounds with alkynes in the presence of a basic catalyst are disclosed....
US-5,410,093 Method for removing transesterification catalyst from polyether polyols
An improved method for recovering purified poly(tetramethylene ether) glycol or similar polyether polyol from an aqueous solution of polymer containing an...
US-5,410,092 Synthesis of adamantane-2,4-dione
The invention provides a method for converting a lactone of a diamondoid compound to the hydroxyketone of the diamondoid compound wherein the hydroxyl group and...
US-5,410,091 Rhodium catalyzed oxo process in tubular reactor
An improved process for the hydroformylation of olefins with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst in a continuous tubular...
US-5,410,090 Airless cobalt demetalling in the cobalt flash combination catalyst cycle
A method for removing cobalt values from the crude product of a cobalt-catalyzed hydroformylation reaction by the application of an airless cobalt demetalling...
US-5,410,089 Preparation of dihydroxyacetone
A process for preparing dihydroxyacetone by condensation, catalyzed by a thiazolium ylide, of formaldehyde, wherein the reaction is carried out in a system...
US-5,410,088 Process for sulfurized olefinic product
A process for preparing, in high yield, a sulfurized olefinic product for use in lubricating oil compositions having a low chlorine content, a sulfur content of...
US-5,410,087 Catalytic reforming of alkyleneamines
A process of reforming an alkyleneamine feedstock or a mixture of such feedstocks to an alkyleneamine or a mixture of alkyleneamines which is different from the...
US-5,410,086 Selective preparation of diethylenetriamine
This invention relates to a method for controlling the weight ratio of diethylenetriamine to piperazine in a process in which ethylenediamine, or a mixture of...
US-5,410,085 Process for the preparation of chlorine-substituted aromatic amines and of catalysts
Chlorine-substituted aromatic amines are prepared by the hydrogenation of chlorine-substituted aromatic nitro compounds in the presence of a catalyst containing...
US-5,410,084 Aromatic diamine and polyimide, and preparation process of same
A polyimide comprising a requisite structural unit having one or more recurring structural units of the formula: ##STR1## such as the structural units of...
US-5,410,083 Synthesis of diaminoresorcinal from resorcinol
The invention relates to a novel process for preparing 4,6-diaminoresorcinol, a precursor to polybenzoxazole, from resorcinol according to the following scheme. ...
US-5,410,082 Process for preparing amines
Process for preparing amines by reacting amides in aqueous-alkaline solutions and/or suspensions with halogens or hypohalites in the presence of alcohols, and...
US-5,410,081 Process for the preparation of amino-substituted thioethers
Compounds of the formula (I) ##STR1## are prepared by reacting 2-mercaptoethanol with compounds of the general formula (II) ##STR2## the...
US-5,410,080 Non-metabolizable clomiphene analogs for treatment of tamoxifen-resistant tumors
Compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each selected from the group consisting of C.sub.1 -C.sub.2 lower alkyl; X is NH or S;...
US-5,410,079 5-ureido-1,3-diamino-2,4,5-trinitrobenzene
5-ureido-1,3-diamino-2,4-6-trinitrobenzene, ##STR1## which is prepared by reacting 5-fluoro-1,3-diamino-2,4,6-trinitrobenzene with urea.
US-5,410,078 Styrene-based dicarboxylic acid-functional monomers and polymers prepared from same
An unsaturated acid-functional monomer having the structure: ##STR1## wherein R.sup.1 is hydrogen or methyl and Z is nothing or is a divalent radical of 1...
US-5,410,077 Controlled epoxidation of propylene
In a regulated process wherein propylene is reacted with tertiary butyl hydroperoxide in solution in tertiary butyl alcohol to produce propylene oxide and...
US-5,410,076 Process for the preparation of bis(amidocarboxylic acid)
A process is reported for the preparation of bis(amidocarboxylic acid) involving the steps of: (i) charging a reactor with an acyl halide and an aminocarboxylate...
US-5,410,075 Non-hygroscopic monoammonium salts of phosphonic and phosphinic acids
A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is dydroxy or alkyl; A is C.sub.1 to C.sub.4 alkyl-amino or an amino-alkyl group...
US-5,410,074 Process for preparing sulfonium or sulfoxonium salts of N-phosphonomethylglycine
A compound of formula (I) ##STR1## where R.sup.1, R.sup.2, and R.sup.3 are alkyl or aralkyl or any two of R.sup.1, R.sup.2, and R.sup.3 together form a...
US-5,410,073 Manufacture of polyfluoro nitrogen containing organic compounds
Process comprising (I) reacting (a) at least one polyisocyanate or mixture of polyisocyanates which contains at least three isocyanate groups per molecule with...
US-5,410,072 Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants
Isomeric mixtures of pentanoic acids are prepared by subjecting butene-1/butene-2 mixtures to hydroformylation to form aldehyde mixtures, followed by oxidation...
US-5,410,071 Process for sulfur-containing derivatives of hydroxyphenylbenzotriazoles
A composition that, when present in a polymer matrix, reduces the deleterious effect of UV light absorption by the polymer is provided, which comprises a...
US-5,410,070 Preparation of N-alkenylpyrrolidones
Process for the preparation of N-alkenylpyrrolidones of the general formula ##STR1## in which R denotes hydrogen or C.sub.1 -C.sub.20 alkyl, by the reaction of ...
US-5,410,069 Polymerizable compound, process for producing same and setting composition containing polymerizable compound
A polymerzable compound represented by the general formula (1) X--R.sub.1 --Y where X is un unsaturated imide group having substituents R.sub.2 and R.sub.3, or...
US-5,410,068 Succinimidyl trityl compounds and a process for preparing same
The invention pertains to compounds and methods for the reversible modification of natural products, biopolymers or synthons for natural products or biopolymers,...
US-5,410,067 Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
Process for the preparation of 5,6-dihydroxyindole, wherein the compound of formula: ##STR1## in which R' denotes a hydrogen atom or an optionally...
US-5,410,066 Process for the preparation of substituted pyrazolines
A new process for the preparation of pyrazolines of formula ##STR1## is provided, in which R.sup.1 and R.sup.3 are identical or different and each represent...
US-5,410,065 Preparation of 5-cylamino-1,2,4-triazole-3-sulfonamides
5-Acylamino-1,2,4-triazole-3-sulfonamides, which are useful intermediates for the preparation of 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide herbicides are...
US-5,410,064 Heterocyclic acids
The invention concerns novel 1,3-dioxane alkenoic acid derivatives of the formula I ##STR1## wherein: n is the integer 1 or 2; Y is methyleneoxy, vinylene...
US-5,410,063 Pyridin-2-yl-sulfonamides useful for the preparation of herbicidally active sulfonylureas
A compound of the formula II ##STR1## in which R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio,...
US-5,410,062 Preparation of substituted-2,3-dicarboxypyridinium nitrates
There are provided crystalline substituted-2,3-dicarboxypyridinium nitrate salts, the preparation thereof and the use thereof in the isolation and purification...
US-5,410,061 Pharmaceutical compounds
A compound having pharmaceutical activity, of the formula ##STR1## in which A is hydrogen or --(CR.sup.1 R.sup.2).sub.x R.sup.3 where x is 0 or 1 to 4,...
US-5,410,060 Process for preparation of arenebisphosphine oxides
Arenebisphosphine oxides of the general formula ##STR1## where R.sup.1 to R.sup.4 independently of one another are each hydrogen, C.sub.1 -C.sub.6 -alkyl,...
US-5,410,059 Transition metal complexes having 2,2'-bipyridine ligands substituted by at least one ammonium alkyl radical
Complexes of the general formula I ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represent a straight or branched...
US-5,410,058 Tetrahydropyridine derivatives
The compounds of the present invention relates to tetrahydropyridine derivatives and have high affinity and specificity to .sigma. receptors, whereby these are...
US-5,410,057 1-heteroarylazetidines and -pyrrolidines
The present invention relates to new 1-heteroarylazetidines and new 1-heteroarylpyrrolidines endowed with 5-HT.sub.3 agonist activity of formula (IV): ...
US-5,410,056 Method for the production of folic acid
The present invention is directed to a novel process for the production of folic acid in high yield utilizing a novel diimine as an intermediate. This diimine is...
US-5,410,055 3-phenyl-1,7-naphthyridine and cinnoline-5-carboxyaldehyde intermediates for medicaments
The invention relates to new 4-cinnolinyl- and 4-naphthyridinyl-dihydropyridines of the general formula I ##STR1## in which R.sup.1 to R.sup.5 have the...
US-5,410,054 Heteroaryl quinolines as inhibitors of leukotriene biosynthesis
Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic,...
US-5,410,053 Rhodamine derivatives
There are described rhodamine derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen or substituted or...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | Next →