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Matches 401 - 450 out of 2,085

Document Document Title
WO2000012472A3
This invention relates to a process for making certain phenyl urea compounds by using a Lewis acid to effect the ring opening of a benzoxazolinone by an amine.  
WO/2000/035864A1
The present invention relates to biphenyl and biphenyl-analogous compounds, their preparation and use as pharmaceutical compositions, as integrin antagonists and in particular for the production of pharmaceutical compositions for the tre...  
WO/2000/032566A1
The invention relates to a method for producing urea. According to said method, the off-gases which originate from a melamine plant and essentially consist of NH¿3? and CO¿2? are introduced into the high-pressure zone of the urea plant...  
WO/2000/024707A1
The present invention discloses compounds having formula (I) wherein the substituents are defined in the application. The compounds are useful as chloride channel blockers.  
WO/2000/012468A1
This invention relates to a process for making 3-hydroxy-4-amino-benzonitrile.  
WO/2000/012472A2
This invention relates to a process for making certain phenyl urea compounds by using a Lewis acid to effect the ring opening of a benzoxazolinone by an amine.  
WO/2000/000466A1
Process for the preparation of urea from ammonia and carbon dioxide in which a submerged condenser is used as high-pressure carbamate condenser and the urea synthesis solution leaving the submerged condenser is transferred to the reactor...  
WO/1999/067206A1
Compounds of general formula (I) are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular...  
WO/1999/067204A1
Compounds of general formula (I) are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular...  
WO/1999/067228A1
This invention is directed to a fluorophenyl resin compound, to methods of its preparation; and to its use in the solid phase synthesis of amides, peptides, hydroxamic acids, amines, urethanes, carbonates carbamates, sulfonamides and $g(...  
WO1999029663A9
The invention relates to a process for the preparation of urea from ammonia and carbon dioxide in which the low-pressure carbamate stream formed in the further upgrading of the urea synthesis solution is stripped in a CO2-carbamate strip...  
WO/1999/050235A1
Apparatus for the urea synthesis from ammonia and carbon dioxide of the kind comprising a number of separate reaction compartments; the compartment separating means consist of one or more net layers wherethrough the gas phase coming out ...  
WO/1999/046037A1
An apparatus for effecting gas/liquid contact in a system in which the liquid is the continuous phase, the apparatus consisting of a vertical column fitted with a series of perforated trays (1). The perforated trays provide openings (3) ...  
WO/1999/033790A1
Fluoro-substituted benzoylureas of formula (I) wherein R?1¿, R?2¿ and R?3¿ each independently represent a hydrogen atom, nitro, cyano, halogen, C¿1-3?-alkyl, C¿1-3?-haloalkyl, C¿1-3?-alkoxy, C¿1-3?-haloalkoxy, C¿1-3?-alkylthio or...  
WO/1999/031053A1
An improved process for the synthesis of urea from ammonia and carbon dioxide by the use of a vertically or horizontally placed condenser, enabling the corrosion prevention of the areas in which the tube plate of the condenser is joined ...  
WO/1999/029663A1
The invention relates to a process for the preparation of urea from ammonia and carbon dioxide in which the low-pressure carbamate stream formed in the further upgrading of the urea synthesis solution is stripped in a CO¿2?-carbamate st...  
WO/1999/025698A1
The invention relates to a method for producing ar(alk)yluraciles of general formula (I), wherein A represents a single bond or an alkanediyl, Ar represents optionally substituted aryl, R?1¿ represents optionally substituted alkyl, and ...  
WO/1999/021828A1
The present invention provides a simple, 1-step process for preparing a N-(aryl or heteroaryl)-hydroxyurea comprising reacting the corresponding alcohol, ester or ether with hydroxyurea and acid. This reaction is particularly useful for ...  
WO/1999/018084A1
A method of N-alkoxyalkylating ureides according to the invention comprises reacting a ureide of structure (I) with an alkylating agent of structure (III) in the presence of a basic catalyst in an aprotic reaction medium. The ureide may ...  
WO/1998/035930A1
Process for the preparation of an N-acyl amino carboxylic acid by means of a carboxymethylation reaction. In this reaction, a reaction mixture is formed which contains a base pair, carbon monoxide, hydrogen and an aldehyde with the base ...  
WO/1998/032731A1
Process for the preparation of urea, in which the gas stream which is released during the synthesis of melamine and is composed essentially of ammonia and carbon dioxide is used to synthesize urea, in which process the gas stream which o...  
WO/1998/017635A1
Process for the manufacture of urea from carbon dioxide and ammonia with high conversion yields including a urea synthesis section and an ammonia stripping section of carbamate obtained as by-product, characterized in that the urea synth...  
WO/1998/008808A1
In the present process for the preparation of urea, an off-gas stream released during the synthesis of melamine in a high-pressure melamine process which consists predominantly of ammonia and carbon dioxide, is introduced into at least o...  
WO/1998/007921A1
Aqueous solutions of N-methylolethers of carboxylic acid amides, urethanes, ureas and aminotriazines suitable for finishing cellulosic textile materials are prepared by reacting the corresponding N-methylol compounds with an alcohol in t...  
WO/1998/007763A1
This invention relates to methods for preparing novel, solid-phase transfer reagents, specifically phosgenated oxime resins and non-symmetrical ureas, that are useful as supports in combinatorial synthesis for the creation of libraries o...  
WO/1998/007771A1
A process is disclosed for producing a polyisocyanate containing biuret groups from at least one aliphatic, cycloaliphatic or araliphatic diisocyanate or a mixture of two or more such substances, and from at least one amine or water or a...  
WO/1998/003477A1
A urea synthesis process starting from ammonia and carbon dioxide carried out under a pressure of 120x10?2� to 400x10?2� KPa and a temperature of 140 to 215 �C, in which the reaction takes place in a reactor in which gaseous CO�2...  
WO/1998/003518A2
Bis-platinum(II) complexes with polymethylene derivatives, the method of making the complexes, and the use of the complexes for the treatment of tumors in mammals, are disclosed. The method of making the polymethylene derivatives, is als...  
WO/1998/000394A1
The present invention relates to a novel benzoyl urea derivative which exhibits potent growth-retarding activity against pests and which is represented by formula (I), in which A represents N or CH, and X?1� and X?2� independently of...  
WO/1997/049680A1
This invention relates to the use of phenyl ureas of formulas (I) and (II) in the treatment of disease states mediated by the chemokine, Interleukin-8 (IL-8). The variables of (I) and (II) are defined herein.  
WO/1997/045400A1
The present patent application relates to compounds having formula (I) or a pharmaceutically acceptable salt thereof wherein one of R1, R2 and R3 is a non-cyclic acidic group having a pKa value below 8 or a group which is in vivo convert...  
WO/1997/042230A1
Novel polymer-supported quenching reagents of Formula (I): P-L-Q, wherein P is a polymer of low chemical reactivity which is soluble or insoluble; Q is one or more quenching reagents, or an acid or base addition salts thereof, that are c...  
WO/1997/038789A1
A method of detecting clogging of the air-feeding pipes, comprising a plurality of air-feeding pipes (15) having outlets (13) for blowing the air into a granulating section (1), and nozzles (3) formed at the central portions of the air o...  
WO/1997/034690A1
Method for the safety and extension of the operating life of pressure equipment comprising an internal chamber suitable for containing a process fluid, surrounded by a pressure-resistant body (1) equipped with weep-holes (2), consisting ...  
WO/1997/033895A1
The invention relates to isolated RNA molecules with high affinity for particular amino acids, processes for isolating these, and uses thereof. Via a process which includes various washing and heating steps, one isolates these RNA molecu...  
WO/1997/028100A1
The present invention provides a process for preparing granular urea, which solves a problem for removing a moisture in a prilling tower method and a problem for concentrating diluted formaldehyde in granulation by a fluidized, spouted b...  
WO/1997/025308A1
Products prepared by reacting polyisocyanates with alkenyl or alkynyl compounds; then with perfluoroalkyl iodides and dehydroiodinating the product.  
WO/1997/021685A1
A compound of formula (I) is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.  
WO/1997/015280A1
The use of at least one NO synthase inhibitor as the active principle in a cosmetic composition for treating and/or preventing sensitive skin is disclosed. The use of at least one NO synthase inhibitor for preparing a pharmaceutical and ...  
WO/1997/015388A1
A hydrolysis reactor for removal of urea, ammonia and carbon dioxide from a liquid phase comprising urea in aqueous solution advantageously, advantageously comprises: a dividing baffle (8) extending horizontally at a preset height in the...  
WO/1997/010206A1
The present invention provides a process for the preparation of a compound of formula (I), wherein R is a straight or branched alkyl group of from one to twelve carbon atoms; M represents hydrogen or a pharmaceutically acceptable cation;...  
WO/1997/006134A1
A novel and advantageous method for preparing N,N-dimethyl-N'-phenylurea and phenyl ring substituted derivatives thereof, wherein phenylisocyanate or ring substituted derivatives thereof are reacted with an excess amount of boiling dimca...  
WO/1997/006135A1
A process for producing carbamoylmethylurea derivatives represented by general formula (I), characterized by reacting a compound represented by general formula (II) with a compound represented by general formula (III).  
WO/1997/003044A1
A process and device are disclosed for preparing (cyclo)aliphatic biuret groups-containing polyisocyanates from (cyclo)aliphatic diisocyanates and steam or a dehydrating substance as reactives that are mixed with each other in a stirring...  
WO/1996/039382A1
A compound of formula (I) wherein R1 is cyano, thiocarbamoyl, a group of formula (a) in which R4 is hydrogen, lower alkyl which may have optionally substituted aryl, acyl, optionally substituted aryl, lower alkylthio or 1-lower alkylindo...  
WO/1996/025444A1
A process for producing polyisocyanates containing one or more biuret groups, by reacting a) an aliphatic or cycloaliphatic isocyanate with several isocyanate groups (isocyanate a) with b) a tertiary alcohol or a mixture of water and a t...  
WO/1996/023767A1
In a process for the production of urea, substantially pure ammonia and carbon dioxide are reacted in a reaction space (1) from which comes out a reaction mixture subjected to stripping (2) to obtain a partially purified mixture sent to ...  
WO/1996/020171A1
Disclosed herein are compounds of formula (1), wherein R1 is (1-3C)alkyl, R2 is hydrogen or (1-3C)alkyl and R3 is (1-3C)alkyl, or a therapeutically acceptable salt thereof. The compounds are useful for treating herpes infections.  
WO/1996/020170A1
In a process for urea production, substantially pure ammonia and carbon dioxide are reacted in a main reaction space (R-1) from which outgoes a reaction mixture subjected to stripping to obtain a partially purified mixture sent to a urea...  
WO/1996/016030A1
Iminooxymethylene anilides have the formula (I), in which the substituents and indices have the following meanings: R stands for hydrogen, optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, cycloalkinyl, alkylcarbo...  

Matches 401 - 450 out of 2,085