baber/WOPTO huggingface dataset:
Patent FI-83564-B (FI)
Inventor: CUNNINGHAM JAMES LEE
IPC: F28F13/18
Filed: 1986-06-11
Granted: 1991-04-15
Abstract: A heat transfer tube (10) has mechanical enhancements which improve the heat transfer properties of at least the outer (12) surface of the tube. An optional internal enhancement, which is useful on either boiling or condensing tubes, comprises a plurality of closely spaced helical ridges (16) which provide increased surface area and are positioned at an angle which gives them a tendency to swirl liquid flowing through the tube. The external enhancement, which is applicable to boiling tubes, is provided by successive cross-grooving and rolling operations performed after finning. The finning operation, in a preferred embodiment for nucleate boiling, produces fins while the cross-grooving and rolling operation deforms the tips of the fins and causes the surface of the tube to have the general appearance of a grid of generally rectangular flattened blocks (see Figure 8) which are wider than the fins and separated by narrow openings (20) between the fins and narrow grooves normal thereto. The roots of the fins and the cavities or channels formed therein under the flattened fin tips are of much greater width than the surface openings so that the vapour bubbles can travel outwardly through the cavity and to and through the narrow openings. The cavities and narrow openings and the grooves all cooperate as part of a flow and pumping system so that the vapour bubbles can readily be carried away from the tube and so that fresh liquid can circulate to the nucleation sites. The rolling operation is performed in a manner such that the cavities produced will be both larger and smaller than the optimum minimum pore size for nucleate boiling of a particular fluid under a particular set of operating conditions.
Patent FI-92162-B (FI)
Inventor: GARAT MICHEL
IPC: B22C9/10
Filed: 1989-11-17
Granted: 1994-06-30
Abstract: The invention relates to a lost foam pressure casting process for metal pieces. This process consists, after having filled the mould with metal in the liquid state and before the solidified fraction of metal exceeds 40% by weight, in applying an isostatic gaseous pressure over the entire mould/metal, of which the value is between 1.5 and 10 mPa. The invention applies to the production of pieces, particularly made from aluminium alloys, having improved mechanical characteristics and, in particular, better resistance to fatigue. <IMAGE>
Patent FI-85317-B (FI)
Title: Correction system and correction circuit
Inventor: CRITCHLOW DAVID N
IPC: H04B/
Filed: 1990-02-14
Granted: 1991-12-13
Abstract: The invention concerns a correction system and a correction circuit. The correction system according to the invention is characterized in that it comprises an input 116 for inputting time-multiplexed I- and Q-samples in the form of complex sample pairs/symbols into a demultiplexer 90; a corrector 300 connected to the demultiplexer 90 for receiving the demultiplexed I- and Q- samples from the demultipexer; a device 40 for inputting a number of demonstration signals into the corrector 300, which demonstration signals correspond to required characteristics which can occur in the demultiplexed I- and Q-samples; and a device 348 for comparing the actual powers input into the corrector 300 with the required groups of output powers during the time of occurrence of each of the abovementioned demonstration signals in order to obtain a group of bias factors. <IMAGE>
Patent FI-104070-B (FI)
Inventor: DICKINSON ROGER PETER
IPC: C07D233/61
Filed: 1993-09-15
Granted: 1999-11-15
Abstract: PCT No. PCT/EP92/00591 Sec. 371 Date Apr. 20, 1994 Sec. 102(e) Date Apr. 20, 1994 PCT Filed Mar. 17, 1992 PCT Pub. No. WO92/17451 PCT Pub. Date Oct. 15, 1992.    <IMAGE>  (I)  Compounds of formula (I) or a biolabile ester thereof, or a pharmaceutically acceptable salt of either, wherein Rl, R2, R3 and R4 are each independently selected from H or C1-C4 alkyl; R5 is (CH2)mSO2R6, (CH2)mNHSO2R6 or (CH2)mNHCOR7; R6 and R7 are C1-C6 alkyl, C1-C3 perfluoroalkyl(CH2)n, C3-C6 cycloalkyl(CH2)n, aryl(CH2)n or heteroaryl(CH2)n; or R6 is NR8R9; R8 is H or C1-C4 alkyl; R9 is C1-C6 alkyl, C3-C6 cycloalkyl(CH2)n, aryl(CH2)n or heteroaryl(CH2)n; or R8 and R9 together with the nitrogen atom to which they are attached form a 5- to 7-membered heterocyclic ring which may optionally incorporate a carbon-carbon double bond or a further hetero atom linkage selected from O, S, NH, N(C1-C4 alkyl) and N(C1-C5 alkanoyl), and which may optionally be substituted with one to three substituents each independently selected from C1-C4 alkyl and C1-C4 alkoxy, and which may optionally be benzo-fused; X is CH2, CHCH3, C(OH)CH3, C=CH2 or O; m is 0 or 1; n is 0, 1, 2 or 3; and Het is 3- or 4-pyridyl or 1-imidazolyl; with the proviso that when Het is 1-imidazolyl then X is CH2 or CHCH3, are combined thromboxane A2 synthetase inhibitors and thromboxane A2/endoperoxide antagonists of utility in the treatment of disease conditions in which thromboxane A2 is a causative agent.
Patent FI-104043-B (FI)
Inventor: LIESKE EDGAR
IPC: A61K8/00
Filed: 1993-10-01
Granted: 1999-11-15
Abstract: Hair colourants based on direct-acting hair dyes containing a combination of two or more hair dyes dye even damaged hair particularly uniformly by reductive and oxidative hair treatment if this combination contains at least one nitrodiphenyl amine dye of the formula (I) in which one of the groups R?3 to R?7 is a -SO3?H or a -COOH- group, or one of its water-soluble salts besides other direct-acting dyes.
Patent FI-108011-B (FI)
Inventor: HOLLIGER NIKLAUS
IPC: B61D1/06
Filed: 1994-04-20
Granted: 2001-11-15
Abstract: Doubledeck coach with entry and exit doors (2) on both sides at both ends, an upper and a lower passenger compartment, with doors to the passenger compartments and wagon-intercommunicating doors (3) at both ends of the coach. The access to the passenger compartments in the lower deck and upper deck (5,(4)) is provided from the entry or exit vestibule (9) through a single access door (6) which is arranged between the entry or exit vestibule (9) and an intermediate floor (10). From the intermediate floor (10), the upper and lower passenger compartments can be reached via a descending stair (8) or an ascending stair (7). The intermediate floor (10) has the function of providing safety and comfort. The safety feature is that the access door is not positioned directly in front of or behind a staircase and the comfort feature is that the ascent from the lower deck (5) to the upper deck is interrupted with this intermediate floor (10). The short descending stair (8) to the passenger compartment in the lower deck (5) is replaced in one design variant with an arcuate, wheelchair-compatible ramp. In an "economy" design, a multi-functional staircase column is provided between the stairs. <IMAGE>
Patent FI-101945-B (FI)
Inventor: SZADKOWSKI STANISLAV
IPC: B22D41/34
Filed: 1994-12-14
Granted: 1998-09-30
Abstract: PCT No. PCT/BE93/00029 Sec. 371 Date Jan. 18, 1995 Sec. 102(e) Date Jan. 18, 1995 PCT Filed May 27, 1993 PCT Pub. No. WO93/25334 PCT Pub. Date Dec. 23, 1993The device for controlling a pour rate according to the invention, which comprises a stationary upper plate (8), a movable plate (10) carried by a carriage (9) and a pouring tube (2). Control of the rate takes place by gliding the movable plate (10) against the upper plate (8), the pouring tube (2) being immobilized against the movable plate (10), just beneath the pouring orifice (27) of the movable plate (10) which blocks the tap hole (15). The immobilization of the pouring tube (2) with respect to the movable plate (10) is obtained by means (31) for pushing upwards which are secured to the carriage (9).
Patent FI-120351-B (FI)
Inventor: BAENSCH JOHANNES
IPC: C12R1/865
Filed: 1995-03-14
Granted: 2009-09-30
Abstract: Process for producing a source of baker's yeast exhibiting a Lti (Low Temp. Inactive) phenotype, i.e. the property of being practically inactive but surviving in a dough at a temp. ≤ 14 degrees C at which the dough does not freeze, and of being practically inactive at ≤ 18 degrees C in a maltose-contg. medium, in which firstly a strain of haploidal Saccharomyces cerevisiae that is inactive at a temp. of 3-10 degrees C, pref. > 10 degrees C, is crossed with a strain of haploidal Saccharomyces cerevisiae having ≥ 1 MAL allele that is active but with catabolic repression. In a second stage, the segregants are crossed and finally a diploidal prototrophic strain is selected exhibiting a Lti phenotype, an active MAL phenotype that is active but with catabolic suppression, and a potential to be grown in a fed-batch process. Also claimed are Saccharomyces cerevisiae NCIMB 40612 and NCIMB 40611.
Patent FI-109276-B (FI)
Inventor: KIISKI HEIKKI
IPC: A63B22/02
Filed: 1998-12-17
Granted: 2002-06-28
Abstract: An arrangement in connection with a treadmill, the arrangement comprising a basic unit composed of a frame and a running track movably arranged thereon and rails arranged in connection with the basic unit. To provide a flexibly modifiable structure arrangement comprises articulation parts on both sides of the basic unit, the articulation parts being arranged to be fastened to first points of the rails on both sides of the basic unit. A supporting rack extending in the longitudinal direction of the basic unit is arranged to the articulation parts, the supporting rack being arranged to be fastened from its free end to second points of the rails on both sides of the basic unit.
Patent HU-187531-B (HU)
Inventor: HELMS JUERGEN
IPC: G01N3/04
Filed: 1983-04-11
Abstract: Anwendungsgebiet der Erfindung ist die Kraftfahrzeugtechnik. Anwendungsobjekte sind Einrichtungen zur Untersuchung von Bauteilen, Baugruppen u./o. Geraeten, z.B. von Kfz, auf durch Massenkraefte hervorgetretene Beanspruchungen. Schaffung einer Pruefanlage, welche mit einer minimalen Anzahl von Pruefzylindern arbeitet und somit eine Einsparung von Anschaffungs- und Betriebskosten ermoeglicht. Die Entwicklung einer Vorrichtung, welche die Reduzierung der Pruefzylinder in zwei der drei Belastungseinrichtungen ermoeglicht, ist die Aufgabe der Erfindung. Das Wesen der Erfindung besteht in der beweglichen Verbindung zweier Grundplatten mittels eines kardanischen Gelenkes sowie der Verspannung dieser Platten gegeneinander mit Hilfe einstellbarer Federungs- und Daempfungsglieder. Die Untersuchung der Festigkeitseigenschaften sowie des Schwingungsverhaltens fester Stoffe durch Einwirkung mechanischer Beanspruchung gehoeren zum Anwendungsgebiet der Erfindung.
Patent HU-191847-B (HU)
Inventor: LANDMANN HELMUT
IPC: C07D401/06
Filed: 1983-05-27
Abstract: Die Erfindung betrifft ein verbessertes Herstellungsverfahren zur 3-Amino-5-(pyrid-4-yl)-1,2-dihydro-pyrid-2-on (I). Durch das erfindungsgemaesse Verfahren wird es moeglich, betraechtliche Mengen an Rohstoffen einzusparen, die Volumenausbeute zu erhoehen und die Abwasserbelastung erheblich zu senken. Die Verbindung I hat, ebenso wie ihre pharmazeutisch annehmbaren Salze, auf Grund ihrer guenstigen kreislaufwirksamen Eigenschaften erhebliches Interesse geweckt, insbesondere als potentielles Cardiotonikum bei gleichzeitiger antianaphylaktischer Wirkung. Anwendungsgebiet der Erfindung ist die pharmazeutische Industrie.
Patent HU-201089-B (HU)
Title: Process for producing tylosin and 10,11,12,13-tetrahydro-tylosin derivatives
Inventor: NARANDJA AMALIJA
IPC: A61P31/04
Filed: 1988-04-13
Abstract: Derivatives of tylosin and 10,11,12,13-tetrahydro tylosin of the general formula <CHEM>  wherein  R stands for CHO, CH2OH CH=NOH or CH(OCH3)2,  R<1> stands for H,  R<2> stands for OH or  R<1> + R<2> stand for =O or =NOH,  R<3> stands for a mycarosyl group or a hydrogen atom, and  @ @@ stands for a single or a double bond; methods for the manufacture thereof; their use as antimicrobial agents and processes for the preparation of the latter.
Patent HU-198443-B (HU)
Title: Process for production of new resorcin eshters and medical compositions containing them
Inventor: WENK PAUL
IPC: A61K31/225
Filed: 1985-05-23
Abstract: Novel 4-acylresorcinol ethers of the formula    <IMAGE>  (I)  in which R1 represents lower alkyl, R2 represents lower alkyl, lower alkenyl or lower alkynyl, R3 represents hydrogen, lower alkoxy, trifluoromethyl or halogen, alk represents an alkylene radical, one of the radicals R4, R5 and R7 is a group of the formula -NH-C(=O)-R8, a radical R4 or R5 that is other than a group of the formula -NH-C(=0)-R8 is a radical R9 and a radical R7 that is other than a group of the formula -NH-C(=0)-R8 is a radical R10, R6 represents hydrogen, lower alkyl, halogen, trifluoromethyl, optionally esterified or amidated carboxy, cyano or lower alkanoyl, R8 represents optionally esterified or amidated carboxy, or 5-tetrazolyl, R9 represents hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl, and R10  represents hydrogen, lower alkyl, lower alkoxy, halogen, trifluoromethyl, cyano or optionally esterified or amidated carboxy, and their salts have LTD4-antagonistic and PLA2-phospholipase-inhibiting properties. They can be manufactured according to methods known per se.
Patent HU-202362-B (HU)
Inventor: CSEHI JANOS
IPC: A01K97/12
Filed: 1986-06-18
Abstract: A találmány tárgya készülék elmozdulás kijelzésére hal kapásának és táplálékfelvételének kijelzésére, amelynek alaprészen elrendezett mechanikus elmozdulásérzékelője van. A találmány lényege abban van, hogy a mechanikus elmozdulásérzékelője (2) két végén elfordíthatóan megfogot, forgattyús részhez (3), míg másik végén alaprészhez (1) kapcsolt rugalmas elemből (5), ezzel szemközt, felhúzótengely (4) másik oldalán elrendezett, elmozgatása útján felhúzótengelyt (4) holtpontjából kibillentő elemből (6), valamint felhúzótengely (4) által működtetett kijelzőből (7) van kialakítva, ahol a felhúzótengelyt (4) holtpontjából kibillentő elem (6) egyik ágával (10) elmozdulást felvevő, ennek lényegében lineáris folytatását képező másik ágával (11) felhúzótengelyt (4) holtpontjából kibillentő, e két ágra (10, 11) merőleges, két végén elfordíthatóan megfogott az ággal (12) ellátott, lényegében kereszt alakú tengelyből van kiképezve (1. ábra). A leírás terjedelme: 8 oldal, 3 ábra  -1-
Patent HU-208752-B (HU)
Inventor: DEVECSERI BELANE
IPC: G06F13/14
Filed: 1991-08-26
Abstract: A találmány tárgya rendszertechnikai elrendezés multiplex üzemmódú vonalakon megjelenő logikai állapotsorozatok kijelölt szavainak eltárolására, amelynek vonalillesztő egysége (1), órajelvonalillesztő és jelformáló egysége (8) van. A vonalillesztő egység (1) nszámú bemeneti vonalára (101) vizsgálni kívánt áram- kör maximum n-számú vonala az órajelvonalillesztő és jelformáló egység (8) első bemenetére (801) első órajel (CP1), a második bemenetére (802) második órajel (CP2) csatlakozik. A vonalillesztő egység (1) n-számú kimeneti vonala (102) adattároló egység (2) és trigger egység (5) n-számú bemeneti vonalára (201, HU 208 752 B A leírás terjedelme: 8 oldal (ezen belül 2 lap ábra)
Patent HU-193511-B (HU)
Title: Process for production of bioactive compositions containing vegetable active substances with medical effect
Inventor: STUEBER SIEGFRIED
IPC: A61K36/00
Filed: 1981-10-01
Abstract: 1. The use of flax wax or flax wax components for the manufacture of a pharmaceutical composition to be locally applied for the treatment of diseases of rheumatic nature, of the apparatus of locomotion and of inflammations and of cosmetics.
Patent HU-209535-B (HU)
Title: Synergetic herbicidical composition and method for use of composition
Inventor: MAURER WILLY
IPC: A01N43/90
Filed: 1991-09-05
Abstract: The present invention relates to a synergistic agent containing a herbicidally active sulphonylurea of the formula I <IMAGE>  in which   Z represents a substituted phenyl, thiophenyl, benzyl, pyridinyl, pyrazinyl, hetero-fused phenyl, or alkylsulphonylamino radical;   M represents hydrogen; or C1-C4-alkyl; and Het represents a substituted five- or six-membered heterocycle having 2 or three nitrogen atoms, and a synergistically active amount of a 5,6,7,8-tetrahydro-1H,3H- (1,3,4)thiadiazolo-[3,4-a]-pyridazine or 7,8-dihydro-1H,3H- (1,3,4)-thiadiazolo-[3,4-a]-pyridazine of the formula II <IMAGE> in which     X represents oxygen; or sulphur;   A-B represents -CH2-CH2-; or -CH=CH-; and   Phe represents a substituted phenyl radical.   The agent according to the invention is suitable for selective control of weeds in crops of useful plants, in particular in cereals, maize, rice or soybeans. The invention also relates to a method of controlling weeds in crops of useful plants, preferably in cereals, maize, rice or soybeans, and to the use of this novel agent.
Patent HU-205947-B (HU)
Title: Process for producing antiinfective nucleozides and pharmaceutical compositions containing them
Inventor: RAHIM SAAD GEORGE
IPC: A61K31/7052
Filed: 1989-06-08
Abstract: The present invention relates to mono-, di- and tri- esters and ethers of 5-alkynyl-substituted pyrimidine nucleosides and their use in medical therapy particularly in the treatment and prophylaxis of herpes viral infections. Also provided are pharmaceutical formulations and processes for the preparation of compounds according to the invention.
Patent HU-189324-B (HU)
Inventor: SEBESTYEN FERENC
IPC: A01G27/00
Filed: 1983-08-19
Abstract: A különösen virágok, növénykultúrák öntözéséhez
szolgáló készülék az öntözést, illetve folyadékadagolást
a célszerűen zárt térben lévő levegő páratartalmának,
illetve a párolgásnak függvényében
végzi.
A készüléknek felül zárt 5b légterű, alatta pedig
5a folyadéktérrel bíró 5 tárolótartálya van. Áz 5a
folyadéktérbe 8 kifolyó-csőszakasz nyílik. A növénykultúrát
körülvevő, illetve a szabályozandó
pára tartalmú légtérben 2 párologtató edény helyezkedik
el, amely az 5 tárolótartállyal olyan 6 csőrendszer
útján van összekötve, amely kizárólag
üzem közben mozdulatlan alkatrészeket tartalmaz
és legalább I fluid eleme is van.
Adott esetben a 2 párologtató edényből 13 lcvegözőcsö
vezet az 5 tárolótartály 5b légterébe.
Patent HU-185351-B (HU)
Inventor: WOLTER WILFRIED
IPC: B61G3/16
Filed: 1982-09-23
Abstract: Blockiereinrichtung fuer Riegelgetriebe von automatischen Mittelpufferkupplungen an Schienenfahrzeugen zur Sicherung des Kupplungsriegels in d. verriegelten Stellung gegen ein unbeabsichtigtes Entriegeln des Riegelgetriebes und eine Selbstentriegelung der gekuppelten automatischen Mittelpufferkupplungen durch dynamische Einfluesse waehrend der Fahrzeugbewegung. Mit der Blockiereinrichtung soll die Betriebssicherheit mit einfachen, auch nachtraeglich anzubringenden Mitteln erhoeht werden, ohne in den inneren Bewegungsablauf des Riegelgetriebes einzugreifen. Dazu wird ein in seinem Schwenkbereich begrenzter und auf einem Zapfen drehbar gelagerter Sperrhebel an der hinteren Gehaeusewand des Kupplungskopfes befestigt, wobei der Sperrhebel die Bewegung des Zeigers und damit den Kupplungsriegel in der verriegelten Stellung blockiert und eine Abhaengigkeit zwischen den Stellungen des Sperrhebels und der Uebergangsbruecke an Reisezugwagen besteht.
Patent HU-207404-B (HU)
Inventor: VAN ANDEL JOHANN
IPC: A01H5/02
Filed: 1988-07-12
Abstract: A találmány állandóan virágzó „STATORNA” szegfűfajta a Dianthus caryophyllus semperflorens, fl. pl. Hort fajból származik, amely többszőr és állandóan virágzik, A találmány tárgyát képező szegfűfajta főbb tulajdonságai a következők: virágjának színe eredeti finom meleg piros, mérete nagyobb (átmérő és magasság), a virágok tömöttek, a sziromlevelek közepesen fogazottak, a csésze alakja kecses és hasadással szembeni ellenállóképessége jobb, a virág illata erőteljesebb, a szár vastagsága, erőssége és hossza nagyobb, termőképessége és hozama erőteljesebb, száraz rothadással szembeni ellenállása nagyobb a VILLIAM SÍM szegfűfajtánál.  ffl HU 207 404 A leírás terjedelme: 4 oldal (ezen belül 1 lap ábra)
Patent HU-205595-B (HU)
Title: Process for diminishing humidity of waste gases from reactors for direct chlorinating ethylene for producing dichloroethane
Inventor: COWFER JOSEPH ALLEN
IPC: C07C17/00
Filed: 1987-09-16
Abstract: In a process for producing 1,2-dichloroethane or ethylene dichloride ("EDC") in a high temperature direct chlorination ("HTDC") reactor in which ethylene is reacted with wet chlorine having a water content more than 100 ppm but no more than 1% by wt of the chlorine, the water leaves the reactor with the EDC product draw-off, either in the vapor overhead (if the HTDC is a boiling reactor), or, as a liquid sidestream (if the HTDC is a non-boiling reactor). In a subsequent step, the EDC draw-off is distilled in a product distillation column in which the water leaves in the overhead which is condensed to remove condensables in a first stage, and vent a non-condensable vent stream. The vent stream is corrosive due to the presence of minor amounts of chlorine, HCl and water, along with oxygen which is injected into the HTDC to improve selectivity of the reaction. The vent gases from the first stage are further cooled to a temperature in the range from about -30°C to about 0°C to condense condens­ables and freeze water without plugging the liquid lines. Plugging is avoided provided the vent stream contains less than 1.5% by wt of water, based on the weight of the vent stream. The essentially moisture-free non-condensables remaining are relatively non-corrosive and may be recycled to an oxychlorination reactor, also for the production of EDC, without unduly sacrificing the vent compressor and other carbon steel equipment in the recycle line.
Patent HU-214551-B (HU)
Title: In agriculture applcable, fungicidal composition comprising oxazolidinedione derivative as active ingredient and process for using of composition and for producing oxazolidinedione-derivatives
Inventor: ADAMS JOHN BENJAMIN
IPC: A01P3/00
Filed: 1990-04-10
Abstract: A method of controlling plant disease using thioxooxazolidinones, oxazolidinediones and related heterocycles, some of which are new, and agriculturally suitable compositions containing them.
Patent HU-203617-B (HU)
Title: Electric reflector lamp
Inventor: HOLTEN PETRUS ADRIANUS JOSEPHU
IPC: H01K7/02
Filed: 1990-07-24
Abstract: The reflector lamp with lamp vessel (1), whose second portion (8) and third portion (11) are mirror-coated and form cooperating reflector portions, has an axially positioned light source (15) which extends in front of and behind the greatest diameter (3). The lamp forms a beam with a high luminous flux and a high luminous intensity in the beam centre.
Patent HU-205497-B (HU)
Inventor: HUBER ISTVAN
IPC: H01R4/00
Filed: 1988-10-12
Abstract: A kapcsolat egymáshoz dörzshegesztett vagy plattírozott
kötéssel (5, 11) csatlakoztatott elemekből álló
bimetált (3,9) tartalmaz, és az a lényege, hogy a bimetált
alkotó elemek oly módon vannak a további áramvezetőkhöz
csatlakoztatva, hogy az egymáshoz illeszkedő
felületeiket egyesítő dörzshegesztett vagy plattírozott
kötésük (5,11) a kapcsolatra ható fő mechanikai
igénybevétel irányával (P) párhuzamos, vagy lényegében
párhuzamos. (5., 8. ábra)
Patent HU-203083-B (HU)
Title: Compositions against arthropoda and nematoda comprising n-phenyl pyrazole derivatives and process for producing n-phenylpyrazole derivatives and pharmaceutical compositions containing same
Inventor: HATTON LESLIE ROY
IPC: A01N43/56
Filed: 1986-12-19
Abstract: The invention provides a method for the control of arthropod, plant nematode or helminth pests using compounds of the formula: <CHEM> wherein Y is halogen, cyano, nitro, RSO2, RSO or RS in which R is alkyl, cycloalkyl or alkenyl, thiocyanato, sulphamoyl, carbamoyl,alkoxycarbonyl, alkanoyl or alkyl; Z represents hydrogen, an amino group -NR<1>R<2>, alkylsulphenylamino, alkoxymethyleneamino, halogen, alkyl, carboxy, alkylthio, alkylsulphinyl or alkylsulphonyl, trialkylsilylmethyl, trialkylsilyl, cyano or nitro; R<3> represents halogen,alkyl or alkoxy, halogen-substituted alkylthio or alkylsulphinyl, nitro, cyano, or alkylsulphonyl; and R<4> represents cycloalkyl, and n is 1 to 5, and salts thereof, provided that R<4>, Y and Z do not simultaneously represent one of nitro, cyano, halogen and unsubstituted alkyl; pesticidal compositions, novel compounds and processes for their preparation are described.