baber/WOPTO huggingface dataset:
Patent BR-112022020450-A2 (BR)
Title: Composições e usos de polímeros de aminoácidos sintéticos aplicados localmente para prevenção e tratamento de infecções virais
Inventor: MICHAEL P BEVILACQUA
IPC: A61P31/16
Filed: 2021-04-06
Abstract: COMPOSIÇÕES E USOS DE POLÍMEROS DE AMINOÁCIDOS SINTÉTICOS APLICADOS LOCALMENTE PARA PREVENÇÃO E TRATAMENTO DE INFECÇÕES VIRAIS. Composições farmacêuticas antimicrobianas que contêm antimicrobianos catiônicos e métodos para usá-las para prevenir e/ou tratar infecções virais.
Patent BR-112022023138-A2 (BR)
Title: Artigo gerador de aerossol compreendendo retardante de chama
Inventor: STEFANOS PAPAKYRILLOU
IPC: A24D1/02
Filed: 2021-05-18
Abstract: ARTIGO GERADOR DE AEROSSOL COMPREENDENDO RETARDANTE DE CHAMA. A presente invenção refere-se a um artigo gerador de aerossol (10; 110) para produzir um aerossol inalável após aquecimento. O artigo gerador de aerossol (10; 110) compreende: uma coluna (12) do substrato gerador de aerossol; uma seção a jusante (14; 114) em um local a jusante da coluna (12) do substrato gerador de aerossol; e um invólucro (70) que circunscreve pelo menos a coluna (12) do substrato gerador de aerossol. Uma densidade do substrato gerador de aerossol é maior do que cerca de 300 miligramas por centímetro cúbico, e o invólucro (70) compreende uma composição retardante de chama compreendendo um ou mais compostos retardantes de chama.
Patent BR-112022023389-A2 (BR)
Title: Dispositivo de produção de energia por gradiente de salinidade através de uma membrana à base de fibras de celulose reticuladas
Inventor: BRUNO MOTTET
IPC: H01M8/22
Filed: 2021-05-19
Abstract: DISPOSITIVO DE PRODUÇÃO DE ENERGIA POR GRADIENTE DE SALINIDADE ATRAVÉS DE UMA MEMBRANA À BASE DE FIBRAS DE CELULOSE RETICULADAS. A presenta invenção refere-se a um dispositivo para a produção de energia elétrica compreendendo: a) um primeiro reservatório A (20A) destinado a receber uma solução eletrolítica (22A) de concentração CA em um soluto e compreendendo um eletrodo(30A) em contato com a solução eletrolítica de concentração CA; b) um segundo reservatório B (20B) destinado a receber uma solução eletrolítica (22B) de concentração CB em um mesmo soluto, CB sendo inferior a CA, e compreendendo um eletrodo (30B) em contato com a solução eletrolítica de concentração CB; c) uma membrana (10) separando os dois reservatórios, a dita membrana compreendendo poros que permitem a difusão dos eletrólitos do reservatório A para o reservatório B através dos ditos poros; e d) um dispositivo (32) que permite fornecer a energia elétrica gerada pelo diferencial de potencial existente entre os dois eletrodos, caracterizado pelo fato de que a membrana compreende pelo menos uma camada formada de um material celulósico compreendendo uma rede de nanofibras e/ou de microfibras reticuladas de celulose.
Patent BR-112022027064-A2 (BR)
Title: Derivados de exopolissacarídeos de bactérias marinhas e usos dos mesmos no tratamento de mucopolissacaridoses
Inventor: SYLVIA COLLIEC-JOUAULT
IPC: A61P25/28
Filed: 2021-07-01
Abstract: DERIVADOS DE EXOPOLISSACARÍDEOS DE BACTÉRIAS MARINHAS E USOS DOS MESMOS NO TRATAMENTO DE MUCOPOLISSACARIDOSES. A invenção fornece polissacarídeos supersulfatado de baixo peso molecular com atividade anti-heparanase preparados a partir de exopolissacarídeos nativos marinhos excretados por bactérias marinhas mesófilas a partir de um ambiente hidrotérmico de águas profundas e refere-se ao uso desses polissacarídeos supersulfatados de baixo peso molecular para a prevenção ou tratamento de mucopolissacaridoses, em particular mucopolissacaridoses tipo III (síndrome de Sanfilippo).
Patent BR-112023003059-A2 (BR)
Title: Método de lavagem de roupas e uso de um método
Inventor: KARL BURGESS
IPC: C11D1/32
Filed: 2021-08-30
Abstract: MÉTODO DE LAVAGEM DE ROUPAS E USO DE UM MÉTODO. Uma composição auxiliar para lavagem de roupas que compreende: proteína hidrolisada, perfume livre e de 0% em peso a 2% em peso de tensoativo aniônico e/ou catiônico.
Patent BR-112023018767-A2 (BR)
Title: Nova composição de concentrado de suspensão oleoso
Inventor: KEVIN S V KOH
IPC: A01P3/00
Filed: 2022-03-17
Abstract: nova composição de concentrado de suspensão oleoso. a presente invenção se refere a uma nova composição de concentrado de suspensão oleoso para aplicação direta na água de um arrozal e a processos para preparar tais composições.
Patent BR-112023020126-A2 (BR)
Title: Composição de resina de baixo dielétrico e um artigo de fabricação preparado a partir do mesmo
Inventor: NAPOLI ALESSANDRO
IPC: C08J5/24
Filed: 2022-03-30
Abstract: composição de resina de baixo dielétrico e um artigo de fabricação preparado a partir do mesmo. a presente divulgação refere-se geralmente a uma composição de resina tendo uma baixa constante dielétrica (dk) e um baixo fator de dissipação dielétrica (df) incluindo um reticulador selecionado a partir um composto de vinilbenzil indeno, um composto de vinilbenzil fluoreno e uma mistura dos mesmos e uma resina selecionada a partir de um derivado de éter de polifenileno, um termoplástico de hidrocarboneto e um composto contendo um ou mais grupos maleimida.
Patent BR-122015016757-A2 (BR)
Title: método para a síntese e dopagem de nanotubos de carbono livres de carbono amorfo
Inventor: ALEJANDRA GARCÍA GARCÍA
Filed: 2012-07-13
Abstract: resumo “método para a síntese e dopagem de nanotubos de carbono livres de carbono amorfo” a presente invenção se refere a um método para a síntese e dopagem in-situ de nanotubos de carbono (cnt). o método da invenção permite a fabricação de nanotubos de uma maneira viável economicamente e livre de carbono amorfo, resultando em que sua purificação é realizada apenas pelo catalisador, processo que requer apenas umas poucas lavagens com ácido comercial de baixa concentração. também, este processo permite a dopagem in-situ de nanotubos de carbono com diferentes elementos de dopagem durante e após o crescimento.
Patent CZ-5889-A3 (CZ)
Title: Machine set travelling on a track for taking-out or insertion of transverse sleepers
Inventor: THEURER JOSEF ING
IPC: E01B29/10
Filed: 1989-01-03
Abstract: A mobile machine arrangement for exchanging old track ties for new track ties comprises first and second machine units, a drive for propelling each machine unit independently along the track in an operating direction, an operator's cab for each machine unit, each machine unit comprising a bridge-like machine frame, a tie loading car coupled to the machine frame and undercarriages supporting the machine frame and the tie loading car on the track, a respective tie exchange device for laterally pulling old ties out of the track mounted on the machine frame of the leading machine unit and for laterally inserting new ties into the track mounted on the machine frame of the trailing machine unit, each tie exchange device comprising power-driven vertically and longitudinally adjustable tie gripping devices, a control for the tie exchange device mounted on each machine unit, and a tie transport arrangement mounted on the machine frame and tie loading car of each machine unit.
Patent CZ-55796-A3 (CZ)
Title: Textile machine, particularly twisting machine
Inventor: FINK HEINZ
IPC: D01H9/12
Filed: 1996-02-23
Abstract: The present invention relates to a textile machine with a plurality of workstations (2.1, 2.2, 2.3), particularly a twister with spindles for mounting thereon packages located side-by-side on two opposed longitudinal sides of the machine and with several mandrels ((8.1, 8.2, 8.3, 8.4) disposed above the workstations and secured on a mounting part and arranged diagonally upward in the direction toward the machine central plane. Said mandrels (8.1, 8.2, 8.3, and 8.4) are arranged diagonally upward from the machine central plane in the direction toward the respective longitudinal side of the machine. The mounting parts form together a mounting means (60) having the form of a hollow profile (6) lying in the region of the machine central plane, is arranged along substantially the whole length of the machine and supports the mandrels (8.1, 8.2, 8.3, 8.4) for both sides of the machine.
Patent CZ-73398-A3 (CZ)
Title: Ignition stage for internal combustion engines
Inventor: MEINDERS HORST
IPC: F02P15/10
Filed: 1996-06-27
Abstract: The description relates to a final ignition stage (1), especially for internal combustion engines, in which the final stage consists of two or three-stage Darlington circuits (T1, T2) and, for overvoltage protection, has either an internal single-stage or an external multi-stage clamp via a Zener diode (Z1), where a short-circuit transistor (T3) is fitted on the drive terminal (B) of the Darlington circuit in parallel to the base-emitter line of the ignition Darlington circuit (T1, T2) for protection against parasitic currents.
Patent SK-26096-A3 (SK)
Title: Contrasting agent, method of manufacture thereof and application
Inventor: DUGSTAD HARALD
IPC: C09K23/00
Filed: 1994-09-05
Abstract: Polymer-based gas-containing contrast agents in which microbubbles of gas are encapsulated by non-polymerisable wall-forming block or graft copolymer surfactants. The polymer surfactants are preferably biodegradable and include block and graft copolymers containing linkages of formula (I): -(O)m-CO-O-C(R<1>R<2>)-O-CO-(O)n- (where R<1> and R<2> each represent a hydrogen atom or a carbon-attached monovalent organic group or R<1> and R<2> together form a carbon-attached divalent organic group and m and n are each zero or 1) which are themselves novel.
Patent SK-26992-A3 (SK)
Title: Continually travelling machine for building of track for controlled track lowering
Inventor: THEURER JOSEF
IPC: E01B35/06
Filed: 1992-01-30
Abstract: Continuously movable railway track machine (1) for the controlled lowering of a track with travelling mechanism, a control device (9) and, supported on travelling gear (2), a machine frame (4) which is connected to at least one stabilisation aggregate (10) which has vibrators, which can be acted upon with a vertical load and height-adjusted by drives (11), for producing vibrations running approximately horizontally and in the transverse direction of the machine, and with a levelling reference system (15) which has a reference basis and a measuring axletree (17) which can be rolled on the track. Both in the region of the stabilisation aggregate (10) and in the front, in the working direction, end region of the machine (1), there is in each case arranged a transverse inclinometer (19, 21). For the delayed delivery of the measured value determined by the front, first transverse inclinometer (19), an intermediate store is provided. …<IMAGE>…
Patent SK-75394-A3 (SK)
Title: Method of indoles producing
Inventor: HOPF MARTIN
IPC: C07D209/18
Filed: 1994-06-20
Abstract: In the prepn. of indoles (I) by decarboxylation of the corresp. indole-2-carboxylic acid (II), (II) is treated with HCOOH. Pref., (II) is treated with HCOOH contg. 0-50 vol. % water and heated 1-10, pref. 2-4 hrs. at 20-107, pref. 80-107 deg. C.
Patent SK-80797-A3 (SK)
Title: Fungicidal impregnant agent against micro-organisms
Inventor: SCHUMY GUIDO
IPC: E04G23/00
Filed: 1997-06-19
Abstract: Fungicidal impregnating agent for treating concrete, bricks and plaster comprises (in wt.%): 0.1-80 inorganic silicates, 0.1-70 siliconates, 0.1-80 silicone- or acrylic- resin emulsion, 0.1-5 copper oxide, 0.1-10 copper sulphate (CuSO4.5H2O), optionally 0.1-5 cationic or anionic surfactant,  and water.  The silicate is preferably a sodium- or potassium- silicate. The siliconate is preferably methylsiliconate.
Patent SK-91994-A3 (SK)
Inventor: SISKA JOZEF
IPC: C09J11/04
Filed: 1994-08-02
Abstract: Prísada do lepidiel a emulzií obsahujúcich formaldehyd
je tvorená nehydrolyzovaným a/alebo hydrolyzovaným,
výhodne vo forme gleja, kolagénom a/alebo keratínom,
a/alebo kazeínom, konzervačnou zložkou a vodou. Ako
konzervačná zložka sú použité chromité a/alebo chrómanové
ióny a/alebo fenol, kyselina salicylová, kyselina
trihydrogénboritá, fluorid sodný, alebo 2-naftol. Obsah
vody je určený formou aplikácie.
Patent SK-92496-A3 (SK)
Title: Endothelin receptor antagonists
Inventor: OSSWALD MATHIAS
IPC: A61P9/12
Filed: 1996-07-16
Abstract: Novel compounds of the formula I <CHEM>  in which -Y-Z-, R<1>,R<2>,R<3>,R<4>,R<5> and X have the meaning indicated in Patent Claim 1, and their salts show endothelin receptor-antagonistic properties.
Patent SK-93696-A3 (SK)
Title: Crosslinked polymeric ammonium salts
Inventor: ROYCE SUSAN D
IPC: A61K31/787
Filed: 1995-01-18
Abstract: Disclosed are novel crosslinked polymeric ammonium salts wherein in said polymeric salt: about 25% or more of the segments which link ammonium nitrogen atoms are group Y wherein Y is an n-alkylene group or alkyl substituted n-alkylene group, wherein said n-alkylene group has 7 to about 20 carbon atoms; zero to about 75% of segments which link ammonium nitrogen atoms are group Z wherein Z is a hydrocarbylene radical containing 2 or more carbon atoms, said hydrocarbylene radical optionally containing one or more hydroxyl, ether, amino, thioether, keto, or silyl groups or heterocyclic rings; and about 25% or more of the ammonium atoms are secondary ammonium atoms.
Patent CH-666378G-A3 (CH)
Title: Movement carrier for wrist watch with lateral extensions - is mfd. of elastic material e.g. of aluminium or plastic with recess in back to which cover is screwed for retention
IPC: G04B37/14
Filed: 1986-05-27
Abstract: The movement (5) is fitted into a central recess in a back (3) which is covered by a cap (2) contg. the glass, secured by screws (10). The carrier has flat lateral extensions (6-9) which are gripped between the back and the cover. Pref. the watch is assembled with its dial, hands and stem (11) fitted to the movement which rests in the back without contact pressure until the cover of e.g. organi material is screwed (1) to the back. The lengthwise extensions (6,8) may constitute a wrist strap. USE/ADVANTAGE - Also for pocket watch or alarm or table clock, movement is held more firmly and stabilised in carrier which does not need precise machining.
Patent CS-183990-A3 (CS)
Title: Device for wire surface treatment
Inventor: KOVARIK MIROSLAV
IPC: C23C18/54
Filed: 1990-04-12
Abstract: A method is claimed for colouring the surface of metallic materials by the formation of an oxide skin. The material to be coloured is submitted to a superficial treatment by a low temp plasma in an atmosphere made up of at least one gas with molecules contg oxygen and in contact with a source material contg the elements needed to produce the desired oxide to colour the surface undergoing treatment. The material to be coloured acts as the anode whilst the low temp plasma is produced by electro-luminescence between this anode and a cathode that comprises the source material. The gas used may be oxygen, ozone, air, oxides of nitrogen, water vapour and mixts of these with a neutral gas. The plasma is formed with voltages between 200 and 5000 V with current densities of between 1 and 100 mA/cm2 at the anode. The metallic prods obtd using this method are also claimed.
Patent CZ-359692-A3 (CZ)
Title: sliding roof, particularly for trucks, semi-trailers and trailers
Inventor: BILEK JAROSLAV
IPC: B60J7/06
Filed: 1992-12-08
Abstract: The sliding roof for freight road vehicles consists of a pair of longitudinal bearers of supported posts along the sides of the body and serving to lead the trucks or wheels with jointed pairs of spars of articulated construction, on which cross bars are mounted, supporting the canvas, whereas the longitudinal bearers are formed as integrated profiles (1), whose guide section (7) is situated on the inner side of the support section (3). The support section exceeds the guide section and cross bars (12) by its ends protruding above the support section (3). Between the cross bars (12) and longitudinal supports (3) there is preferably a gap (x) when in the extended position.<IMAGE>
Patent CZ-104193-A3 (CZ)
Title: Device for tape recorder cassette storing
Inventor: BIECK TORSTEN DIPL ING
IPC: B65D85/575
Filed: 1993-06-01
Abstract: 2.1 For storing magnetic tape cassettes, devices which have a housing with a slide (2) which can be pushed against a spring force and onto which a compact cassette (16) can be laid are known. 2.2 To introduce a blocking member (5) into the winding hub (14) of the compact cassette (16) just when a compact cassette (16) is laid on, the blocking member (5) is actuated by means of a shaft (4) and an actuating element (6) formed thereon. When a digital cassette is laid on, the blocking member (5) remains under the bearing surface of the slide (2). <IMAGE>
Patent CZ-9901596-A3 (CZ)
Title: Process and apparatus for partially melting objects
Inventor: SCHWANKHART GERHARD
IPC: B01D24/12
Filed: 1999-05-04
Abstract: Spot welding or production of holes takes place solely with use of a plasma pulse produced by application of a voltage pulse which exceeds the flash-over voltage of the gap between the electrodes (15', 19'). An Independent claim is given for the apparatus used for implementation of the process. The apparatus includes only a voltage source for producing a voltage pulse necessary for generation of a plasma pulse. The nozzle (16) of the plasma gun (11) is surrounded by a protruding cover ring (96) whose interior forms a preliminary chamber (97).
Patent CZ-161795-A3 (CZ)
Title: Neutral self-polishing emulsion for treating floors
Inventor: SKODELL BIRGIT
IPC: C09G1/04
Filed: 1993-12-10
Abstract: PCT No. PCT/EP93/03487 Sec. 371 Date Jun. 21, 1995 Sec. 102(e) Date Jun. 21, 1995 PCT Filed Dec. 10, 1993 PCT Pub. No. WO94/14909 PCT Pub. Date Jul. 7, 1994An aqueous floor-care, self-shine emulsion composition having a pH of 5 to 9 containing a natural or synthetic wax and an alcohol selected from benzyl alcohol, 2-phenylethanol, 2-phenoxyethanol and mixtures thereof.
Patent CZ-175194-A3 (CZ)
Title: Time-locked block for assurance of banknote supply
Inventor: KLEIN FRITZ
IPC: G07F9/06
Filed: 1993-01-12
Abstract: The invention concerns a container with a time lock for safeguiding banknotes, the container providing access in a predetermined sequence to increasing amounts of money. Mounted in the container housing (1) is a lockable sliding drawer (2) divided, perpendicular to the direction of opening and closing (S), into n compartments (2.1, 2.2,..., 2.n) of depth (a1?, a2?,..., an?). The container is fitted with a time-control device designed to release and push open the drawer (2). When released, the drawer (2) is pushed out of the housing (1) in a predetermined and adjustable sequence of movements, beginning by opening by a distance corresponding to the depth (a1?) of the first compartment and continuing to open by the depth of each subsequent compartment. The drawer (2) remains open until pushed back into the closed position and locked in place in this position, and the release mechanism switched off.
Patent CZ-176497-A3 (CZ)
Title: Process of obtaining caprolactam by depolymerization of melted polycaprolactam
Inventor: KALCK ULRICH
IPC: C07D201/12
Filed: 1995-12-01
Abstract: Caprolactam is obtained from mixtures which contain polymers or thermoplastic molding materials having the repeating unit -[-N(H)-(CH2)5-C(O)-]-, (a) by depolymerization at elevated temperatures in the presence of a base under reduced pressure or (b) in the presence of water, by using a mixture essentially comprising, from 50 to 99.9 % by weight of a polymer or of a thermoplastic molding material having the repeating unit -[-N(H)-(CH2)5-C(O)-]-; from 0.1 to 50 % by weight of additives selected from the group consisting of inorganic fillers, organic and inorganic pigments and dyes; from 0 to 10 % by weight of organic and/or inorganic aditives; from 0 to 40 % by weight of non-polyamide-containing polymers and from 0 to 20 % by weight of polyamides, with the exception of polycaprolactam and copolyamides prepared from caprolactam, and carrying out the depolymerization in the presence of a base under reduced pressure, the water content of the mixture used being not more than 0.01 % by weight, or carrying out the depolymerization in the presence of water without the addition of acid or base at from 270 to 350  DEG C and a weight ratio of water to polymer or thermoplastic molding material of from 1:1 to 20:1 and in a reaction time of less than 3 hours.
Patent CZ-200768-A3 (CZ)
Inventor: LOOS BERND
IPC: D01H4/08
Filed: 2007-01-25
Abstract: Zarízení zahrnuje sprádací rotor (1) obsahující talír (2) rotoru a trysku (14) na odtah príze. Talír (2) rotoru má otevrenou prední stranu (4) privrácenou k trysce (14) a ve svém vnitrku (6) má konvexne vytvorenou kluznou plochu (7) pro vlákna, sberný žlábek (8) vláken a zadní stenu (5) protilehlouk otevrené prední strane (4). Príze (11) tvorící se ve sberném žlábku (8) vláken je ze sberného žlábku (8) vláken odtahována pomocí prízového ramena (16) rotujícího kolem trysky (14), kterou je príze(11) usmernována do kanálu (15) probíhajícího koaxiálne se sprádacím rotorem (1). Zadní stena (5) talíre (2) rotoru obsahuje oblast (18) vychylující prízové rameno (16) z myšlené nejkratší spojovací linie (19) mezi sberným žlábkem (8) vláken a tryskou (14). Oblast (18) zadní steny (5) talíre (2) rotoru odchyluje prízové rameno (16) ve smeru k prední strane (4) talíre (2) rotoru.
Patent CZ-200989-A3 (CZ)
Inventor: SEKANINA LUKAS
IPC: H04N5/213
Filed: 2009-02-16
Abstract: Vynález se týká nelineárního obrazového filtru pro potlacení impulsního šumu typu sul a pepr, který se skládá z obvodu (A) prefiltrace, za kterým jsou pripojeny ctyri paralelne pracující nelineární filtry (B1, B2, B3), jejichž výstup je spolecne s pixelem umísteným na pozici [x, y] filtrovaného obrazu a  vedeným pres buffer (B5) následne spojen se selektorem (C).
Patent CZ-234895-A3 (CZ)
Title: Protecting agent against silver i corrosion
Inventor: HAKER JURGEN
IPC: C11D17/00
Filed: 1994-05-02
Abstract: The invention concerns the use of inorganic redox compounds, in particular salts and/or complexes of metals selected from the group comprising Mn, Ti, Zr, Hf, V, Co, and Ce, as silver-corrosion protection agents in dishwasher washing-up agents, in particular low-alkali dishwasher washing-up agents.
Patent CZ-267693-A3 (CZ)
Inventor: BRANDSTETR JIRI PROF ING DRSC
IPC: C04B7/13
Filed: 1993-12-08
Abstract: Pro využití ve stavebnictví je určen kompozit na bázi hydraulického
pojivá, obsahující 5 až 90 % hmotn. alumosilikátů
nebo aluminátů hydraulických vlastností a do 80 % hmotn.
minerální složky pucolánických vlastností a dále do 15 %
hmotn. minerální příměsi s obsahem alespoň 30 % částic o
granulometrii pod 3 .mi.m, zejména křemičitý úlet nebo vápencový
prach a od 10 do 60 % hmotn. vody, vztaženo na
směs všech suchých složek, s obsahem 2,5 až 20 % hmotn.
plastifikátoru, zejména na bázi kondenzátu sulfonovaného
naftalenu s formaldehydem. Při přípravě kompozitu se nejprve
suché pojivové složky směsi s přísadou vody a plastifikátoru
po dobu nejvýše 30 minut podrobí aktivačnímu
míchání při otáčkách od 600 ot/min výše, přičemž se nejprve
minerální složka pucolánických vlastností rozmíchá s
plastifikátorem ve vodní suspenzi a teprve potom se přidá
směs hydraulických vlastností. Teprve takto připravená pojivová
směs se vlije do kameniva a společně promíchá
Patent CZ-282094-A3 (CZ)
Title: Process for preparing substituted quinazoline-2,4-diones
Inventor: BILLEB GILBERT DR
IPC: C07D239/96
Filed: 1994-11-16
Abstract: Process for the preparation of alkyl fluorobenzoates of the general formula (I) <IMAGE> in which R represents an alkyl radical and Fn represents 1 to 4 fluorine atoms which, independently of one another, are bonded to the aromatic ring, by reacting a fluorobenzoyl chloride of the general formula (II) <IMAGE> in which Fn has the above-defined meaning with an at least stoichiometric amount of an alkali metal alcoholate ROM in which R has the above-defined meaning and M represents an alkali metal from the group consisting of Li, Na and K, in the corresponding alcohol ROH at temperatures from -10 DEG C to 150 DEG C, if appropriate distilling off the solvent, and removing the alkali metal chloride formed by treating the mixture with water or by filtration.