baber/WOPTO huggingface dataset:
Patent CZ-2199-A3 (CZ)
Inventor: SEIDLER KONRAD
IPC: B23Q5/56
Filed: 1999-01-05
Abstract: Jako převodový prostředek (3)je na poháněcím hřídeli (1)
uspořádán poháněči ozubený kotouč (4) a na sklíčidlovém
hřídeli (2) sklíčidlový ozubený kotouč (5), přičemž poháněči
ozubený kotouč (4) a/nebo sklíčidlový ozubený kotouč (5)je
v rovině kolmé k poháněcímu hřídeli (1) a/nebo ke
sklíčidlovému hřídeli (2) rozdělen nejméně do dvou dílčích
ozubených kotoučů (6, 7). Poháněči ozubený kotouč (4) a
sklíčidlový ozubený kotouč (5)jsou spojeny prostřednictvím
nejméně dvou ozubených řemenů (8)„ jejichž šířka odpovídá
výšce dílčích ozubených kotoučů (6, 7), přičemž ozubené
řemeny (8), uložené na dílčí ozubené kotouče (6, 7), jsou proti
sobě navzájem upnuty.
Patent CZ-18596-A3 (CZ)
Title: PROCESS FOR PRODUCING Ti-, V- OR Zr- BETA ZEOLITE AND ZEOLITE PRODUCED IN SUCH A WAY
Inventor: BUSKENS PHILIP LUC
IPC: B01J29/06
Filed: 1994-07-23
Abstract: In the manufacture of a substituted Beta zeolite, a high ethene pressure, is used advantageously accompanied by synthesis gel ageing and low aluminium content.
Patent CZ-33293-A3 (CZ)
Inventor: SCHWERDT FRANZ
IPC: E05B9/00
Filed: 1993-03-04
Abstract: Válcový zámek, obsahující profilové pouzdro
(1; la, lb, lc, ld; lf), dále nejméně jedno, ve
vývrtu profilového pouzdra (1; la, lb, lc, ld;
lf) otočně uložené, mechanickými stavítky
(15) vůči profilovému pouzdru (1; la, lb, lc,
ld; lf) zablokovatelné válcové jádro (9; 9a, 9b,
9c, 9d) s ve směru osy válce probíhajícím otvorem
(11; 11a, 11b, 11c, lid) pro zastrčení plochého
klíče (13), ovládajícího mechanická stavítka
(15), a zařízení (37) pro záznam informací,
které je upraveno na profilovém pouzdru
(; la, lb, lc, ld; lf). bezdotykově ovládané řídícími
informačními signály řídícího obvodu
(29) plochého klíče (13), a které je spojeno se
zdrojem (31) proudu s řídícím obvodem, který
je alespoň částí svých spínacích složek (39)
oddělen od válcového zámku. Připojení od
válcového zámku oddělených spínacích složek
(39) je provedeno kabelem (43; 43a, 43b, 43c,
43e, 43f, 43f) a zástrčkovým spojem (45; 45a,
O 45b, 45c, 45d, 45e, 45f, 45f), sestávajícím ze dvou navzájem komplementárních zástrčkových
dílů (49; 49a, 49b, 49c, 49d;
49f, 49f, 51; 51a, 51b, 51c, 51d, 51f,
5 lf)), z nichž první zástrčkový díl (49;
49a, 49b, 49c, 49dl 49f, 49f)je umístěn
pevně na profilovém pouzdru (1; la, lb,
lc, ld; lf) a kabel (43; 43a, 43b, 43c,
43e, 43f, 43f) nese druhý zástrčkový díl
(51; 51a, 51b, 51c, 51d, 51f, 51f), volně
nasunutelný na první zástrčkový díl (49;
49a, 49b, 49c, 49d; 49f, 49f). Na profilovém
pouzdru (1; lb, lc, ld; lf) je upevněn
přídržný díl (53; 53a, 53b, 53c, 53d,
53f), který je upraven pro záběr s druhým
zástrčkovým dílem (51; 51a, 51b,
51c, 51d, 51f, 5lf) alespoň ve směru vytahování
z prvního zástrčkového dílu
(49; 49a, 49b, 49c, 49d; 49f, 49’), a pro
zajištění druhého zástrčkového dílu (51;
51a, 51b, 51c, 51d, 51f, 5 lf) vzhledem k
prvnímu zástrčkovému dílu (49; 49a,
49b, 49c, 49d; 49f, 49f), zejména proti
vytažení z prvního zástrčkového dílu
(49; 49a, 49b, 49c, 49d; 49f, 49f).
Patent CZ-79297-A3 (CZ)
Title: Process for preparing phenylheterocyclic compounds
Inventor: DESMOND RICHARD
IPC: C07C69/614
Filed: 1995-09-12
Abstract: The invention encompasses a process for making compounds of formula (I) useful in the treatment of cyclooxygenase-2 mediated diseases.
Patent CZ-96795-A3 (CZ)
Title: Salad dressing
Inventor: HEERINGA AUKE-JAN
IPC: A23L27/60
Filed: 1993-10-11
Abstract: The present invention relates to stable pourable emulsions of the type vinaigrette. Stability is attained by incorporating into the continuous oil phase a small amount of solid fat, such as hardened rapeseed oil. The product resembles to a large extend traditional home-made vinaigrette.
Patent SK-17496-A3 (SK)
Title: Pipe joint and manufacturing process threof
Inventor: IMGRAM FRIEDRICH
IPC: B25B27/10
Filed: 1994-03-21
Abstract: The pipe joint proposed includes a connector (1) with at least one spigot (2, 2', 2") on which the end (6) of a pipe made of thermoelastic, cross-linked polyolefin is fixed by opening out and self-reforming to form a secure, gastight joint. The spigots (2, 2', 2") have a surface feature (3, 3', 3") and, beyond it, an extension (4, 4', 4") with chamfered end (5, 5', 5").
Patent SK-42009-A3 (SK)
Title: Controlling mechanism of axial travel of the piston in the cylinder block
Inventor: TOPOR KAROL
IPC: F04B1/00
Filed: 2009-01-23
Abstract: The mechanism of control of the axial stroke pistons (5) in the cylinder block (3), deposited in front of the body (1) with the requisite clearance (27) of regulators of hydraulic axial thrust or regulatory motors. The mechanism is operated by means of the pivoting bracket (2) on which is mounted a pressure plate (7), along which the sliders (8), restrained retainer (9) of sliders. Swiveling holder (2) is at the front of the body (1) mounted on the two pins (12). Pass through the transverse axis (y) perpendicular to the longitudinal axis (X) of the body (1) by means of two needle bearings (15), attached in the housing (1) of the flange (16) with the sealing (25).
Patent SK-43799-A3 (SK)
Title: Process for preparing 2-azadihydroxybicyclo[2.2.1]heptane compounds and the l-tartaric acid salt of the compound
Inventor: O'BRIEN MICHAEL
IPC: C07D209/52
Filed: 1997-10-15
Abstract: A method according to the invention is directed to the preparation of a 2-azadihydroxybicyclo[2.2.1]heptane compound of formula (I) or (I') wherein * represents an R chirality, *' represents an S chirality, R is hydrogen or, respectively, a group of formula (II) or (II') wherein R1 is alkyl and Ar is optionally substituted aryl, comprising bishydroxylating a bicyclo[2.2.1]heptene compound of formula (III) or (III') wherein *, *' and R are as previously defined, in the presence of about 0.1 mol % to about 5 mol % of a metal osmate compound or about 0.06 mol % to about 0.07 mol % osmium tetroxide, and an oxidizing agent capable of regenerating osmium tetroxide. The invention is also directed to the treatment of the (1R) diastereomer of the 2-azadihydroxybicyclo[2.2.1]heptane compound (I) wherein R is a group of formula (II) with L-tartaric acid, and the L-tartaric acid salt product thereof. Furthermore, the invention is directed to using the (1R) diastereomer of the 2-azadihydroxybicyclo[2.2.1]heptane compound in an acid facilitated acetalizing or ketalizing reaction that results in the protection of the dihydroxy moieties thereof in isopropanol. In addition, the invention is directed to oxidizing a bis O-protected derivative of the (1R) diastereomer of the 2-azadihydroxybicyclo[2.2.1]heptane compound to a corresponding lactam compound in the presence of about 0.01 mol % to about 1 mol % of RuO2 with about 3 equivalents of an oxidant to form the lactam compound with an enantiomeric excess ("ee") of greater than or equal to about 95 %.
Patent SK-57593-A3 (SK)
Title: Steaming material for production of middle-refracted optical me layerhod of its preparation and its use
Inventor: FRIZ MARTIN
IPC: G02B1/00
Filed: 1993-06-08
Abstract: The invention relates to a vapour-deposition material for preparing optical films of medium refractive index by vapour deposition on the substrates in vacuo. The material is a compound of the formula LA1-xAl1+xO3, with x = 0 to 0.84.
Patent CZ-136992-A3 (CZ)
Title: Device for reinforced mounting of a duct roller with ink duct
Inventor: SYCHROVSKY MILAN
IPC: B41F31/26
Filed: 1992-05-06
Abstract: This equipment consisting of a rotary mounted duct roller and ink duct which can be tilted by pins in the side walls of the printing machine concerns the mutual reinforcement of the duct roller with the ink duct for the inking apparatus of printing machines and on both end pins of the shaft (17) of the duct roller (16) there are rotating supporting rings (18) mounted on bearings (19) on which there are adjusting bodies (20) equipped with a thread and a nut (21) located in the hollows (29) of the joining locks (14) which are mounted on the body of the ductor (3) whose upper supporting surface (27) is in contact with adjustable eccentric pins (5) mounted on the side walls (1,2) of the printing machine, whereas on one end of the eccentric pins (5) there are suspending clamping bolts (6) equipped with clamping nuts (7) which are in contact with the lower support surface (30) of the body of the ductor.<IMAGE>
Patent CS-156791-A3 (CS)
Title: Pressure-cooker
Inventor: SCHULTZ HORST DIPL ING
IPC: A47J27/092
Filed: 1991-05-24
Abstract: PCT No. PCT/EP91/00965 Sec. 371 Date Nov. 25, 1992 Sec. 102(e) Date Nov. 25, 1992 PCT Filed May 24, 1991 PCT Pub. No. WO91/18543 PCT Pub. Date Dec. 12, 1991.A cooling vessel has a container with an outwardly bent rim and a lid which can be set on the container, as well as a closure device with at least one closure element arranged on the lid, preferably in the region of a rim of the lid. The closure element can swivel about a swivelling axis approximately parallel to an outer edge or to tangent to the outer edge of a rim of the container from an open position which releases the lid from the container into a locking position in which the closure element grips under the container rim, thus forming a pressure-tight seal between the lid and the container. The closure element is designed as a hollow body with an essentially cylindrical or prismatic wall essentially parallel to the direction of the swivelling axis. The wall extends over only a part of the periphery of the hollow body and has a locking wall section which can be pivoted from an open position into a closing position. The closure element rests on a shaped body.
Patent CZ-225492-A3 (CZ)
Title: Bogie of a tank wagon for high axle loads
Inventor: SEIDENSTUCKER BERNHARD DIPL IN
IPC: B61F1/00
Filed: 1992-07-20
Abstract: Underframe (2) for a railway tank waggon which is designed for axle loads over 20 t and has at each end a bogey and a coupling and a buffer device (16). The underframe (2) has a central area with two longitudinal carriers (7, 8) which have only a small spacing from one another in the transverse direction of the underframe, in each case one gantry-like widening (12, 13) adjoining the two ends of the central area. Each gantry-like widening has an end transverse carrier or head carrier (14 and 15, respectively), for receiving the coupling and buffer device, a transverse carrier (9 and 10 respectively), parallel thereto in the region of the bogey pin (6), longitudinal carriers (17, 18) between head carrier and bogey pin transverse carrier and a plate cover for these four carriers. The plate cover consists of a rear and front sub-plate (19, 20), which plates bound a free space between them, the essential part of the invention being the contour of the sub-plates (19, 20) in plan view: straight side edges and end edges remote from the free space, arcuate end edges (Fig. 2) which face one another and bound the free space. <IMAGE>
Patent CZ-393591-A3 (CZ)
Title: cable drum driving gear
Inventor: VESELY JAN ING
IPC: B66D1/14
Filed: 1991-12-20
Abstract: The apparatus consists of a drive motor (1), located on one side of the cable drum (3), and transmission (4), located on the opposite side of the drum (3). Between the output shaft of the motor (1) and input shaft of the transmission (4) is the driven shaft (5), which has outer gearing (7) on both ends and forms the first gear coupling between the output shaft of the motor (1) and input shaft of the transmission (4), whereas it runs through the hollow shaft (6), which has inner gearing (8) formed on both its ends and forms the gear coupling between the output shaft of the transmission (4) and suspended hub (9) of the cable drum (3), which is pivoted on the side adjacent to the motor (1) in the roller bearing (10) in the flange of the ram (2), and on the opposite side on the roller bearing (11) on the transmission (4), firmly fixed to the flange of the frame (2).
Patent CZ-419491-A3 (CZ)
Title: Novel thf preparations
Inventor: TRAININ NATHAN
IPC: A61K38/22
Filed: 1991-12-31
Abstract: Novel peptide materials having thymic humoral activity are disclosed having the respective amino acid sequences of:  Leu-Glu-Asp-Gly-Pro-Lys-Phe-Leu;  His-Pro-Leu-Pro-Asp-Leu-Tyr; and  Phe-Val-Leu These novel peptides can be isolated from natural thymus glands or can be prepared synthetically.
Patent CZ-547489-A3 (CZ)
Title: Holder for measuring microwave transistors
Inventor: HOFFMANN KAREL ING CSC
IPC: H01R27/02
Filed: 1989-09-26
Abstract: The holder is used to measure microwave transistors in a microstrip structure in the 2 to 18 GHz frequency band. The body of the holder consists of a cube (1) with a groove (12) and perpendicularly to its longitudinal axis there is a replaceable base (5) with a microstrip guide. Parallel to them on the opposite walls of the cube (1) there are supports (2) protruding to the sides, which create, a side guide in which there are movable faces (3) without clearance with holes for the coaxial line. The position of the faces (3) can be fixed. On the upper wall of the cube (1) there are two supporting plates (4) parallel to the microstrip line, which are in contact on the sides with the bases (5). The groove (2) has replaceable calibrating or measuring inserts (6,9) which are in contact with the lower conductive part of the bases (5). Their height is equal to the depth of the groove (12). The gap between the ends of the bases (5) is smaller than the width of the groove (12).<IMAGE>
Patent CZ-778388-A3 (CZ)
Title: Method of preparing dough, particularly for pastries and apparatus for making the same
Inventor: MANSER JOSEF
IPC: B01F7/02
Filed: 1988-11-25
Abstract: The protein framework is developed in a continuously working 2-shaft kneading device for the production of paste product dough without-as was previously required-a dwelling time of 10-15 minutes in a mixing trough. In so doing, a so-called dry and crumbly dough is formed. This is transferred to a directly adjoining single-shaft screw press without the application of pressure if possible. The apparatus accordingly includes three characteristic process stages: a first whirling mixer for the intimate mixing of the dry components with water, a 2-shaft kneading device, and a single-shaft press.
Patent CZ-123894-A3 (CZ)
Inventor: DVORACEK JAN ING
IPC: F24V50/00
Filed: 1994-05-20
Abstract: Promýchávání a/nebo přesun kapaliny v nádrži z jedné
vrstvy do druhé se provádí ochlazováním této kapaliny v
prostoru vymezeném rourou (l) pomocí tepelného výměníku
(3) tepelního čerpadla (2). Teplo, které je odebíráno z kapaliny
výměníkem (3) je převáděno pomocí přenosového
média izolovaným potrubím (8) na místo jeho hospodářského
využití nebo do tepelně vodivého potrubí, kterým je
teplo znovu předáváno do kapaliny v prostoru druhé roury
(1’) pro další promýchávání kapaliny jejím ohříváním.
Patent CZ-140994-A3 (CZ)
Title: Special sorbents
Inventor: NECESANY FRANTISEK ING
IPC: C01B32/384
Filed: 1994-06-09
Abstract: The invented sorbents of carbon particles produced during gasification process of crude oil or tar starting materials by partial oxidation, isolated by means of hydrocarbon solvents in the form of pellets, peptized by components having surface tension higher than 0.04 Nme-1, or by liquid components in a mixture of inorganic or organic substances, pressed to particles of required shape and being freed from liquid peptizing components are characterized in that the sorbent solid shaped mass is formed at least by 40 percent by weight of carbon agglomerates with free agglomeration of their free particles with size ranging from 1 to 10 nm, forming by their grouping at least 80 percent of porous structure from the total pore volume and having a continuous spectrum with pore size ranging from 1 to 5000 nm and inexpressive maximum in the pore size region from 5 do 15 nm, average pore size of the porous structure within 50 to 150 nm and with specific surface in the range of 200 to 1200 me2/g and the remainder being inorganic or/and organic substances.
Patent CZ-200818-A3 (CZ)
Inventor: KOLOMAZNIK KAREL
IPC: C11C3/00
Filed: 2008-01-14
Abstract: Zpusob spocívá v alkoholýze tuku v alkalickém prostredí a následném oddelení fáze vzniklé bionafty od glycerinové fáze. K vytvorení alkalického prostredí a ke katalýze alkoholýzy se použije organická baze nebo smes organických bazí. Pokud vstupní surovina nemá vyhovující kvalitu (napr. odpadní živocišné tuky) podrobí se, pred vlastní alkoholýzou v prostredí organické baze, rafinaci spocívající v zonálním tavení, které je rízeno programovým ohrevem. Organickou bazí, resp. bazemi, je s výhodou amin s teplotou varu pri normálním tlaku do 200 .degree.C, resp. smes takových aminu. Konkrétne se jedná zejména o amin vybraný ze skupiny zahrnující izopropylamin, diizopropylamin, trietylamin, n-butylamin a cyklohexylamin.
Patent CZ-9602015-A3 (CZ)
Title: Tube for producing stabilizer, stabilizer manufactured from such tube and process for producing thereof
Inventor: BERGS NORBERT DIPL ING
IPC: C21D9/08
Filed: 1996-07-04
Abstract: The use of a steel alloy of compsn. (wt. %): 0.18-0.3 C; 0.1-0.5 Si, 1.1-1.8 Mn, max. 0.025 P, max 0.025 S, 0.02-0.05 Ti, 0.0005-0.005 B, 0.01-0.05 Al, balance Fe plus usual melting impurities for tubes used in the production of stabilisers for vehicles, esp. torsion bars is claimed. Also claimed are: (i) the stabilisers made from the alloy; (ii) a process for producing stabilisers from drawn or welded tubes comprising normal annealing the tubes, producing the stabilisers; and water quenching; (iii) a process for producing bent stabilisers from non-hardened tubes comprising bending at above the Ac3 point followed by quenching; and (iv) a further process for producing bent stabilisers from tubes comprising hardening the tubes and then bending.
Patent CZ-211094-A3 (CZ)
Title: Naphthoxazines, process of their preparation, their use as medicaments and pharmaceutical compositions containing those naphthoxazines
Inventor: NOZULAK JOACHIM DR
IPC: A61K31/535
Filed: 1994-09-01
Abstract: Compounds of formula I <CHEM>  wherein     R1   is (C1-4)alkyl, (C3-6)alkenyl, whereby the double bond is not in alpha -position to the nitrogen atom, or (C3-7)cycloalkyl(C1-2)alkyl,   R2   is (C1-4)alkoxy, (C2-6)alkenyloxy or (C3-7)cycloalkyl(C1-2)alkoxy, and R3   is (C1-4)alkylcarbonyl, (C1-4)alkyl,  alpha -hydroxy(C1-4)alkyl, (C2-5)alkenyl, (C1-4)alkoxy(C1-4)alkyl or (C3-7)cycloalkyl, in free base or acid addition salt form, exhibit serotonin 1D (5-HT1D)-receptor agonistic activity and are thus useful interalia in the treatment of migraine, depression, anxiety and pain.
Patent CZ-221496-A3 (CZ)
Title: Haematopoetic protein, materials and processes for preparing thereof
Inventor: HOLLY RICHARD D
IPC: A61P7/00
Filed: 1994-08-05
Abstract: Hematopoietic proteins and polypeptide fragments thereof are provided, including proteins and polypeptides from mice and humans. Also provided are DNA molecules encoding the proteins and polypeptides, as well as vectors and cells useful in their production. Antibodies that bind to an epitope on the proteins are also provided. The proteins and polypeptides are useful for in vivo and ex vivo therapy, and as reagents for cell culture and investigation of cell proliferation and development.
Patent CZ-269194-A3 (CZ)
Title: The use of polyesterpolyols as binding components in two-component polyurethane varnishes
Inventor: WAMPRECHT CHRISTIAN DR
IPC: C08G18/42
Filed: 1994-11-02
Abstract: The use of polyester-polyols having a hydroxyl number in the range from 80 to 250 based on a) specific polyol mixtures and b) aliphatic, unsaturated dicarboxylic acids, and optionally aliphatic, saturated dicarboxylic acids as binder component for two-component polyurethane paints (surface coatings, lacquers, enamels, varnishes), in particular for the production of paint films on plastic mouldings as used in automobile production.
Patent CZ-327397-A3 (CZ)
Title: Damping element of plant fibers
Inventor: ZIMMER HUGO
IPC: D04H1/54
Filed: 1996-04-19
Abstract: The invention concerns a thermal-insulation element made of vegetable fibres, the element consisting of a non-woven with a random three-dimensional structure. The non-woven used is a particularly high-volume one with a density  </=  25 kg/m<3>.
Patent CZ-361197-A3 (CZ)
Title: Heating body valve
Inventor: BJERGGAARD NIELS
IPC: F24D19/10
Filed: 1997-11-14
Abstract: A radiator valve is disclosed, having a housing (2, 3), a closing element (6), which comprises a head part (18) and a body (19), and a tappet (25) which is guided through a stuffing box (28) and lies adjacent to the head part (18) which projects into a housing bore (24), into which also the tappet (25) projects. It is desirable that such a valve can on the one hand be manufactured cost-efficiently, but on the other hand preserves the seal when the stuffing box (26) is replaced. For that purpose the head part (18) widens conically beyond the diameter of the housing bore (24). <IMAGE>
Patent CZ-384597-A3 (CZ)
Title: Rooflight, particularly rooflight with swinging window sash
Inventor: FRANK KARLHEINZ
IPC: E04D13/035
Filed: 1997-12-03
Abstract: The pivot comprises a spring device (16) which is provided as an aid to pivoting of a roof window having a frame (2) for mounting and a movable casement frame (3). One end of the device (21) cooperates with the main frame while the other end (32) can pivot on the casement frame, which is pivotably supported on auxiliary frame sections (10). Preferably, the spring device is a telescopic spring member (18) operating axially and its first end fits in a socket (26) within the main frame, the first end lifting out of the frame socket when the casement frame is swung around a large angle. The spring is preferably in the form of a pressurised gas spring.
Patent CZ-9904392-A3 (CZ)
Inventor: PAVLAS JAROSLAV
IPC: F16K27/06
Filed: 1999-12-07
Abstract: Tělo (2) ventiluje opatřeno jedním vstupním otvorem (4) a
dvěma výstupními otvory (5) a (6). Otvor (6) ústí proti tělesu
(1) ventilu. Při průchodu plynu nebo kapaliny tělem (2)
ventilu je síla způsobená tímto průtokem zachycena tělesem
(1) ventilu
Patent SK-120796-A3 (SK)
Title: Process for producing rolled wafer cones or the like products and device for carrying out this process
Inventor: HAAS FRANZ SEN
IPC: A21D13/08
Filed: 1995-05-29
Abstract: PCT No. PCT/AT95/00108 Sec. 371 Date Nov. 25, 1996 Sec. 102(e) Date Nov. 25, 1996 PCT Filed May 29, 1995 PCT Pub. No. WO95/32630 PCT Pub. Date Dec. 7, 1995A process and apparatus for producing rolled wafer cones to be filled with ice-cream and frozen for storage. The process comprises pouring dough of high sugar content on an endless, heated baking surface, forming a strip of dough; baking the strip of dough into a thick, strip of wafer; compressing the strip of wafer and at the same time or afterwards, cutting the strip of wafer into individual pieces of wafer; and rolling the pieces of wafer into cones. An apparatus for carrying out the process is also disclosed.
Patent SK-130694-A3 (SK)
Title: 1-£2h-1-benzopyran-2-on-8-yl| pyperazine derivatives, method of their production, pharmaceutical agents containing these compounds as effective matters and their using
Inventor: VAN STEEN BARTHOLOMEUS J
IPC: A61P43/00
Filed: 1994-10-27
Abstract: The invention relates to a group of new 1-[2H-1-benzopyran-2-one-8-yl]-piperazine derivatives having interesting pharmacological properties due to 5-HT1A agonism and 5-HT1D-antagonism. The compounds have the general formula (1) <CHEM>  wherein   R1 is alkyl (1-4C), alkoxy (1-4C), hydroxy, alkoxy(1-4C)alkyl(1-4C), pyrrolidinyl, piperidinyl, morpholinyl, halogen, cyano, trifluoromethyl, amino, or mono- or disubstituted amino wherein the substituents are alkyl (1-4C), or alkyl(1-4C)carbonyl,   m has the value 0, 1 or 2,   R2 is alkyl (1-4C), alkoxy (1-4C), halogen or trifluoromethyl,   n is 0 or 1, on the understanding that m + n is at least 1,   R3 is hydrogen, alkyl (1-3C) or alkenyl (2-3C),   R4 is alkyl (1-4C), and p has the value 0, 1 or 2, and pharmaceutically acceptable acid addition salts thereof.   The compounds can be used for the treatment of affections or diseases of the central nervous system caused by disturbances of the serotonergic transmission.