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| Patent # | Description |
|---|---|
| US-3,979,425 |
Process for the preparation of unsaturated aldehydes The present invention relates to a novel process for preparing unsaturated aldehydes comprising four double bonds of formula ##SPC1## Wherein one of the double... |
| US-3,979,424 |
Pesticidal cyclopropane derivatives Cyclopropane derivatives of the formula: ##EQU1## wherein each R, R.sub.1, and R.sub.2 is alkyl, R.sub.3 is optionally substituted hydrocarbyl, and Z is... |
| US-3,979,423 |
14-Desoxy-14-tosyloxyacetoxy-mutilin The present invention concerns novel pleuromutilin derivatives of the formula: ##SPC1## Wherein X, Y and Z are as defined in any one of the following groups: I.... |
| US-3,979,422 |
Cycloaliphatic ketones, process for making same and odorant and
flavoring compositions containing same Novel cycloaliphatic ketones, a process for making them and odorant and/or flavoring compositions containing the ketones are described. |
| US-3,979,421 |
Reaction products containing free isocyanato groups Reaction products containing free isocyanato groups are produced by reacting ketimines with polyisocyanates. |
| US-3,979,420 |
Cyano-ether polysiloxane-polyoxyalkylene copolymers Organosilicone compositions are provided which comprise polysiloxane-polyoxyalkylene copolymers containing monofunctional siloxy units (M.sub.o) and, for every... |
| US-3,979,419 |
Cyano-ether polysiloxane-polyoxyalkylene copolymers Organosilicone compositions are provided which comprise polysiloxane-polyoxyalkylene copolymers containing monofunctional siloxy units and difunctional siloxy... |
| US-3,979,418 |
Siloxy substituted arylmercaptans Mercaptophenols are selectively oxyalkylated at the mercapto function by a two-step process comprising reacting the mercaptophenol with a silylating agent to... |
| US-3,979,417 |
1 H-androsta(16,17)cyclopentene-3-ones Steroids having the formula ##SPC1## And the 1,2-dehydro derivatives thereof, wherein R.sub.1 is phenyl, naphthyl, or substituted phenyl or naphthyl, have useful... |
| US-3,979,416 |
Preparation of aminophthalic anhydrides Processes are described for the preparation of substantially pure aminophthalic anhydrides and for polymerizing these monomers to unmodified and modified... |
| US-3,979,415 |
Method of preparation of sulfonated, dialkyl-substituted benzodioxoles Method of preparing a sulfonated, dialkyl-substituted benzodioxole by reacting a 1,2-dihydroxybenzene with an aliphatic ketone containing 5 to 30 carbon atoms... |
| US-3,979,414 |
Disubstituted xanthone carboxylic acid compounds Compositions containing and methods employing, as the essential ingredient, novel disubstituted xanthone carboxylic acid compounds which are useful in the... |
| US-3,979,413 |
Polycyclic dyestuffs Polycyclic dyestuffs of the formula ##SPC1## Wherein R.sub.1 and R.sub.2 represent alkyl, cycloalkyl, aralkyl or aryl or together form a ring which is optionally... |
| US-3,979,412 |
Process for producing 3-anilino-5-pyrazolones A process for producing a 3-anilino-5-pyrazolone which comprises reacting a .beta.-anilino-.beta.-alkoxy-acrylate with a hydrazine in the presence of a compound... |
| US-3,979,411 |
2-Trifluoromethylimino-benzo-heterocyclic compounds 2-Trifluoromethylimino-benzo-heterocyclic compounds of the general formula ##SPC1## In which X is oxygen or sulfur, Y is oxygen, sulfur or the radical ##EQU1## ... |
| US-3,979,410 |
Intermediate .alpha.-acyl-.beta.-dialkylamino-2-nitrostyrenes o-nitrobenzylketones are prepared by reacting a trans-.beta.-substituted amino-2-nitrostyrene with a lower alkanoyl halide, halo-lower alkanoyl halide,... |
| US-3,979,409 |
Novel process for the preparation of 3,5-diphenyl-4-pyrazolol and
certain derivatives thereof There is provided a method for the preparation of 3,5-diphenyl-4-pyrazolol and certain derivatives thereof which are useful as intermediates for the preparation... |
| US-3,979,408 |
2-(Pyrrol-1-yl)amino-4,5-dihydro-1H-imidazole derivatives 2-(Pyrrol-1-yl)amino-4,5-dihydro-1H-imidazole derivatives of the following general formula I ##SPC1## wherein R, R.sub.1, R.sub.2 and R.sub.3 may be the same or... |
| US-3,979,407 |
Chromone derivatives The compound 5,5'-[(2-hydroxytrimethylene)dioxy]bis[2(1H-tetrazol-5-yl)chromone] and non-toxic pharmaceutically acceptable salts thereof. This compound inhibits... |
| US-3,979,406 |
Polymerizable esters containing oxazolidinone structures Crosslinkable monomers containing oxazolidinone structures are prepared by reacting polyisocyanates with acrylic esters containing an epoxy group. These... |
| US-3,979,405 |
2-Oxazoline derivatives This invention relates to compounds of the formula ##SPC1## Wherein R.sup.1 is hydrogen or an alkyl group having 1-4 carbon atoms; R.sup.2 but R.sup.3 are hydrogen... |
| US-3,979,404 |
2-Substituted-1,2,4-thiadiazolo-[2,3-a]-imidazoles Novel 2-substituted-1,2,4-thiadiazolo-[2,3-a]-imidazoles of the formula ##SPC1## And the pharmaceutically acceptable salts thereof; and process for their ... |
| US-3,979,403 |
Process for the preparation of
3-trichloromethyl-5-chloro-1,2,4-thiadiazole A process is provided for preparing 3-trichloromethyl-5-chloro-1,2,4-thiadiazole in improved yields by reacting a defined molar excess trichloroacetamidine with ... |
| US-3,979,402 |
Thiazole derivatives This invention relates to novel thiazole derivatives having the formula: ##SPC1## Wherein R represents an unsubstituted or substituted aryl radical; R.sup.1 and... |
| US-3,979,401 |
Polyfunctional aliphatic and cycloaliphatic cyclic nitrile sulfites and
carbonates The disclosure is of compounds of the formula: ##EQU1## WHEREIN R is aliphatic hydrocarbon, X is sulfur (S) or carbon (C) and n is an integer of 1 to 3. The... |
| US-3,979,400 |
Production of pyridyl ketones Pyridyl ketones are produced from substituted pyridines containing at least one lower alkyl group or aryl-methylene group connected to a carbon of the pyridine... |
| US-3,979,399 |
Amino derivatives of pyrazolopyridine carboxamides 4-Amino derivatives of pyrazolo[3,4-b]pyridine-5-carbox-amides having the formula ##SPC1## Are disclosed. The novel compounds are useful as ataractic, analgesic,... |
| US-3,979,398 |
Sulphoxides The compounds are sulphoxides of heterocyclicthioalkylthioureas, ureas and guanidines which are useful to produce inhibition of histamine H-2 receptors. |
| US-3,979,397 |
Pharmaceutically effective novel 3,4-dihydro-1,2- and 1,3-thiozolo [4,3a] i
s The invention relates to new thiazoloisoquinolines of the general formula (I), or salts thereof, ##SPC1## Wherein A stands for a group of the formula ... |
| US-3,979,396 |
Synthesis of biotin Synthesis of biotin from 4-carbomethoxy-2-(4,5-dihydrothiophen-3(2H)-one)-valeric acid methyl ester, and dihydrothiophene intermediates in this synthesis. |
| US-3,979,395 |
Process for the preparation of vincamine and other indole alkaloids The invention relates to the preparation of vincamine and similar indole alkaloids, capable of being easily converted to vincamine, by oxydating a starting... |
| US-3,979,394 |
Duplo quinoline compounds New "duplo" quinoline compounds useful as photoconductors and having the formula: ##SPC1## Wherein: Z represents the atoms necessary to close an adjacent... |
| US-3,979,393 |
Imidyl- and isoimidyl-phthalic anhydrides, process for their manufacture
and their use for curing epoxide resins The invention relates to new imidyl compounds of the formula Ia and isoimidyl compounds of the formula Ib ##SPC1## In which A denotes a divalent organic radical,... |
| US-3,979,392 |
Method of separating liquid drops from a gas stream Liquid drops such as molten urea contained in the waste gas from a melamine recovery process are separated from the waste gas by colliding the waste gas... |
| US-3,979,391 |
1,2,3,4-Tetrahydrocarbazoles Novel 4-R.sub.1 R.sub.2 NCH.sub.2 -9-benzyl-6-R.sub.3 -7-R.sub.4 -1,2,3,4-tetrahydrocarbazoles having antibacterial activity are disclosed. The compounds are... |
| US-3,979,390 |
Butyrophenone derivatives and production thereof A process for producing butyrophenone derivatives of the formula: ##EQU1## which comprises reacting a compound of the formula: ##SPC1## With an amine of the... |
| US-3,979,389 |
Sulphonated coumarin derivatives The present invention provides compounds of formula I, ##SPC1## in which, Either R.sub.1 signifies an unsubstituted or substituted (C.sub.1.sub.-4) alkyl... |
| US-3,979,388 |
Thiadiazolyltetrahydropyrimidinones The invention discloses compounds of the formula ##EQU1## wherein R.sup.1 is selected from the group consisting of alkyl of up to 4 carbon atoms, alkenyl,... |
| US-3,979,387 |
4,5-Dihydrotetrazolo(1,5-A)quinoxalines A class of new 4,5-dihydrotetrazolo[1,5-a]quinoxalines are useful for protecting plants from foliar phytopathogens. |
| US-3,979,386 |
Iminoisoindoline pigments and processes for the preparation thereof Iminoisoindolinone pigments of the formula ##SPC1## Wherein X represents halogen atoms, Y represents a halogen atom, an alkoxy, cycloalkoxy, aralkoxy, aryloxy, ... |
| US-3,979,385 |
1-Aminoalkane-1,1-diphosphonic acids and their salts A process for the production of 1-aminoalkane-1,1-diphosphonates of the formula ##SPC1## Wherein R.sub.1 is a member selected from the group consisting of... |
| US-3,979,384 |
C-3 Substituted cephalosporins This invention relates to novel organic compounds and to methods for preparing them. More particularly, this invention provides new and useful cephalosporin... |
| US-3,979,383 |
Purification process for 7-aminocephalosporins Cephalosporin nucleus compounds represented by the formula: ##SPC1## Wherein R is for example, acetoxy or a 1-(lower alkyl)-1H-tetrazole-5-yl, a 5-(lower... |
| US-3,979,382 |
Dichlorocyanurate silver complexes Dichlorocyanurate silver complexes of the formulas (Ag).sub.1 (A).sub.1 (Z).sub.2 and (Ag).sub.2 (B).sub.1 (Z).sub.4 wherein Z is the dichlorocyanurate radical... |
| US-3,979,381 |
Thiopyrano[4,3-c] pyrazoles Anti-inflammatory activity is exhibited by compounds having the formula ##SPC1## The salts thereof, and the 5-oxide and 5,5-dioxide thereof, wherein R.sub.1 is... |
| US-3,979,380 |
Derivatives of imidazolidin-2-ones and -2-thiones There are disclosed herein derivatives of imidazolidin-2-ones and -2-thiones of the formula I ##SPC1## and their acid addition salts with pharmacologically... |
| US-3,979,379 |
Process for producing 1,3,5,7-tetraalkanoyl-1,3,5,7-octahydrotetrazocines 1,3,5,7-Tetraalkanoyl-1,3,5,7-octahydrotetrazocines are produced in good ld by reacting a 1,5-dialkanoyl-1,3,5,7-tetraazabicyclo (3,3,1) nonane with an alkanoyl... |
| US-3,979,378 |
Water-soluble azo dyes having a substituted 2-hydroxypyridone (6)
coupling component Azo dyes containing sulfonic or carboxylic acid groups and having a substituted 2-hydroxypyridone-(6) as coupling component. The dyes are particularly valuable... |
| US-3,979,377 |
Yellow azo pigment and process of preparation from dichloroaniline and
barbituric acid Yellow azo pigment is prepared by coupling 2,4- or 2,5-dichloroaniline with barbituric acid. In coating compositions these pigments provide high color strength,... |
| US-3,979,376 |
4-Guanylazo-4-deoxyrifamycin SV derivatives Antimicrobial substances of the rifamycin family corresponding to the formula ##SPC1## Wherein R is a substituted lower alkyl radical of the formula ... |
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