baber/WOPTO huggingface dataset:
Patent NO-914909-L (NO)
Inventor: LYNUM STEINAR
IPC: C09C1/48
Filed: 1991-12-12
Abstract: In order to enrich natural gas or other hydrocarbon gases with hydrogen, thus reducing the carbon content and thereby achieving a reduction or elimination of the discharge of carbon dioxide during combustion of the gases, a pyrolytic process is conducted in the feed stream for the natural gases or hydrocarbon gases which are to be burned. The gas is passed through a reactor in which it is decomposed at least partially into a carbon constituent and a hydrogen constituent. The carbon constituent is removed to a desired level. Any remaining constituent together with the hydrogen constituent is conveyed to the combustion process while the removed carbon constituent is conveyed out of the process for separate application. The pyrolytic process can be carried out on the entire stream or only on a partial stream.
Patent NO-921282-L (NO)
Inventor: OKAMOTO YASUSHI
IPC: C07D417/06
Filed: 1992-04-02
Abstract: A benzothiazole derivative or a pharmacologically acceptable salt thereof which is useful as a preventive or therapeutic agent for diseases on which functions of suppressing leukotrienes and thromboxanes production are effective. A benzothiazole derivative represented by the following general formula (I): <CHEM> wherein R<1> and R<3> are either same or different and each represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a group represented by the formula: <CHEM> (wherein p is an integer of from 1 to 4), or a group represented by the formula: <CHEM>     (wherein R<7> represents a lower alkyl group); R<4> represents a hydrogen atom, a lower alkyl group, a phenyl group, a group represented by the formula: <CHEM> (wherein q is an integer of from 1 to 4), or a group represented by the formula: <CHEM>     (wherein R<7> represents a lower alkyl group); or R<3> and R<4> may form a benzene ring together with the carbon atoms to which they are bound; R<2> represents a hydrogen atom or a protective group of a hydroxyl group; and R<5> and R<6> are either same or different and each represents a hydrogen atom, a lower alkyl group, a group represented by the formula: <CHEM>     (wherein r is an integer of from 1 to 4), or an acyl group; or a pharmacologically acceptable salt thereof.
Patent NO-933469-L (NO)
Title: Fremgangsmåte for modifisering av lignocellulosematerialer
Inventor: EARL HAROLD ADRIAN
IPC: B27K3/15
Filed: 1993-09-28
Abstract: Fremgangsmåte for modifisering av lignocelluloseholdige. materialer ved en kjemisk behandling omfattende behandling av materialet i rekkefølge eller samtidig med ftalsyreanhydrld og en termoherdende harpiks ved forhøyet temperatur, og sluttelig varmeherding av det ftalylerte, harpiksimpregnerte produkt. Det således fremstilte lignocelluloseholdige materiale kan gis former eller støpes til produkter som har utmerket dimesjonsstabilitet.
Patent NO-934229-L (NO)
Title: Fremgangsmaate for fremstilling av kjemi-termomekanisk masse
Inventor: FALK BO
IPC: D21B1/16
Filed: 1993-11-23
Abstract: Fremgangsmåte for fremstilling av kjemi-termomekanisk masse fra lignocellulose-materiale ved forvarming og raffi- nering av materialet ved en forhøyet tem- peratur på 160 - 180°C, etter at flisene er impregnert på forhånd med en impreg- neringsvæske som inneholder borhydrid, minst en forbindelse valgt fra gruppen, natriumsulfitt, natriumhydrogensulfitt og natriumdisulfitt, og eventuelt ett eller flere kompleksdannende midler. Impreg- neringsvæsken har fortrinnsvis en nøy- tral, nær nøytral eller lett sur pH- verdi. Fremgangsmåten ifølge oppfinnelsen muliggjør at misfarving av massen kan unngås og/eller at en reduksjon i masse- lyshet motvirkes i forvarmings- og raffi- neringsprosessen. Oppfinnelsen angår også en impregneringsvæske for impregnering av lignocellulose-materiale ved fremstilling av kjemi-termomekaniske masser.
Patent NO-934389-L (NO)
Title: Bærbart luftforbedringsapparat
Inventor: HANSEN IVER
IPC: A61M15/02
Filed: 1993-12-02
Abstract: Et luftforbedringsapparat (fig.l) av personlig bærbar type med en bæreanordning som innbefatter en halsrem (11) og leverer forbedret luft til en brukers hode/ansiktsområde. Apparatet omfatter en vifte/filterenhet (8,2), innrettet for å dirigere en konsentrert stram av forbedret luft mot brukerens munn og nese, hvilken vifte/filterenhet også holdes stødig på plass av et nedre belte (fig.4) som inngår i bære- anordningen, eller f.eks. ved bruk av seler eller en stramt- sittende, passende plassert lomme, og ved at filter/ vifteenheten er utstyrt med hurtigfesteanordninger, f.eks. borrelås (20) for en eller flere ytterligere luftpåvirkende enheter som inngår som valgfritt benyttede deler av apparatet.
Patent NO-940177-L (NO)
Title: Spraydispenser
Inventor: SCHOLZ MICHAEL P
IPC: B65D83/36
Filed: 1994-01-18
Abstract: En spraydispenser omfatter et ytre legeme (12), en produktpose (24) som innholder et flytende produkt og er anbragt i det ytre legeme (12) , og en ventil (16) som er anordnet ved den evre ende av det ytre legeme (12). Et elastisk energilagringselement (32) er anbragt nedenfor posen (24) og et energiserings- organ (26) er anbragt nedenfor energilagringsele- mentet (32) for å komprimere dette. Energiseringsor- ganet (26) heves ved dreining av en gjenget stang (52) som strekker seg gjennom energiseringsorganet (26) i gjengeforbindelse med dette. Stangen (52) omfatter skruer (70, 72) som er tele- skoperende anordnet for å definere separate opera- sjonstrinn, hvor skruene (70, 72) beveger seg fra en tilbaketrukken tilstand til en utstrakt tilstand når energiseringsorganet (26) beveger seg oppad.
Patent NO-944287-L (NO)
Inventor: WOODWARD JAMES KENNETH
IPC: A61K31/451
Filed: 1994-11-10
Abstract: The present invention relates to a method of providing an antihistaminic effect in a hepatically impaired patient in need thereof comprising administering to said patient an effective antihistaminic amount of a compound of the formula wherein R1 is hydrogen or hydroxy; R2 is hydrogen; or R1 and R2 taken together form a second bond between the carbon atoms bearing R1 and R2; n is an integer of from 1 to 5; R3 is —COOH or —COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; each of A and B is hydrogen or hydroxy with the proviso that at least one of A or B is hydrogen; or a pharmaceutically acceptable salt and individual isomers thereof.
Patent NO-952114-L (NO)
Inventor: SPRUEGEL FRIEDRICH A
IPC: C11D1/04
Filed: 1995-05-29
Abstract: PCT No. PCT/DE94/01159 Sec. 371 Date Jul. 6, 1995 Sec. 102(e) Date Jul. 6, 1995 PCT Filed Sep. 29, 1994 PCT Pub. No. WO95/08917 PCT Pub. Date Apr. 6, 1995A surface disinfectant and cleaning composition includes (a) a biocidal agent selected from the group consisting of glyoxal, glutaraldehyde, and mixtures thereof, (b) 0.001 to 1% by weight of a fluoroaliphatic tenside selected from the group consisting of perfluoroalkanoic acids wherein the alkane residue has 1 to 10 carbon atoms, alkali and ammonium salts thereof, and mixtures thereof, (c) 0.002 to 5% by weight of at least one ultraviolet absorber, (d) 0.001 to 3% by weight of an optical brightener selected from the group consisting of benzotriazole derivatives, stilbene disulfonic acid derivatives, and mixtures thereof, and (e) a solvent selected from the group consisting of water, water-soluble alcohols, and mixtures thereof, and having a pH value of 2.5 to 5.0.
Patent NO-955061-L (NO)
Inventor: JOHANSSON LENNART
IPC: E04B5/02
Filed: 1995-12-13
Abstract: PCT No. PCT/SE94/00590 Sec. 371 Date Dec. 8, 1995 Sec. 102(e) Date Dec. 8, 1995 PCT Filed Jun. 16, 1994 PCT Pub. No. WO95/01485 PCT Pub. Date Jan. 12, 1995A joist for building constructions includes an oblong body with threaded holes for receiving cylindrical, threaded space and level adjusters that are screwed into the holes to protrude from the joist body and thereby form an air gap with respect to the supporting surface and to adjust the level of the joist body. The threads of the holes are formed directly in the joist body and the space and level adjusters, threaded from end to end, have a length such that a rear portion situated inside the joist body and a front portion have part-lengths that enable a secure thread connection. The space and level adjusters are arranged in the central plane and/or in two rows on each side of the central plane.
Patent NO-960447-L (NO)
Inventor: CASTELHANO ARLINDO L
IPC: A61K31/40
Filed: 1996-02-02
Abstract: Compounds of formula (I), wherein the dashed lines denote optional double bonds; and when n is 1, 2 or 3; m is 3 or 4; A is -CH2-; R<1> is a) -CH2-R<4> where R<4> is mercapto, acetylthio, carboxy, hydroxyaminocarbonyl, N-hydroxyformamidomethyl, alkoxycarbonyl, aryloxycarbonyl, aralcoxycarbonyl, benzyloxyaminocarbonyl, or (i), where R<6> is optionally substituted aryl, wherein the aryl group is quinol-2-yl, naphth-1-yl, naphth-2-yl, pyridyl or phenyl; b) -CH(R<7>)-R<8> where R<7> is alkyl, hydroxy, amino, aminomethyl, alkylsulphonylamidomethyl, aralkylsulphonylamidomethyl, alkoxycarbonyl, alkoxycarbonylaminomethyl, alkylaminocarbonylamidomethyl, benzoxazoleaminomethyl, aminocarbonyl, or carboxy; and R<8> is carboxy, hydroxyaminocarbonyl, alkoxycarbonyl or aralkoxycarbonyl; c) -NH-CH(R<9>) -R<10> where R<9> is hydrogen, alkyl or aralkyl, and R<10> is carboxy, alkoxycarbonyl, aralkoxycarbonyl, phosphonyl or dialkylphosphonyl; R<2> is alkyl, cycloalkyl, cycloalkylalkyl or aralkyl; and R<3> is hydrogen, halo, alkyl or alkoxy; or when n is 2 or 3; m is 3 or 4; A is -N(R<11>)-, where R<11> is hydrogen or alkyl; and R<1>, R<2> and R<3> are as defined above; or when n is 0; m is 4, 5 or 6; A is -CH(R<12>)-, where R<12> is carboxy, alkoxycarbonyl or optionally substituted carbamoyl; and R<1>, R<2> and R<3> are as defined above; as single stereoisomers or mixtures thereof; or pharmaceutically acceptable salts thereof; are useful in inhibiting matrix metalloprotease activity in mammals.
Patent NO-963482-L (NO)
Title: Medisinsk anvendelse av bromelain
Inventor: BARNWELL STEPHEN GEORGE
IPC: A61P3/06
Filed: 1996-08-21
Abstract: Anvendelse av bromelain ved be- handling av hyperkolesterolemi og lignende sykdommer. Bromelain er i stand til å virke som en gallesyre- reseptorantagonist og derfor forhindre reabsorpsjon av gallesyrer fra gastro- intestinalkanalen.
Patent NO-964982-L (NO)
Title: Detektering av reticulocytter
Inventor: SHENKIN MARK LEE
IPC: G01N15/14
Filed: 1996-11-22
Abstract: En fremgangsmåte for bestemmelse av reticulocyt-populasjonen i blodprøver omfatter anvendelsen av corifosfin O for å farve reticulocytter. Fremgangsmåten er særlig egnet for detektering ved strømningscytometri-teknikker. Optikken (10) for et strømningscytometer som kan benyttes ved fremgangsmåten omfatter en argon-ionelaser (12) som lyskilde og som belyser en blodprøve som strømmer gjennom en strømningscelle (14). Spredt lys og fluorescens faller mot et dikroisk speil (22) som tjener til refleksjon av rettvinklet spredt lys (24) og i transmisjon av fluorescens (26). Et ytterligere dikroisk speil (30) reflekterer grønn fluorescens (32) og transmitterer rød fluorescens (38).
Patent NO-970024-L (NO)
Title: Slagfaste polypropylenkopolymerer
Inventor: MCCULLOUGH JR JAMES DOUGLAS
IPC: C08L23/16
Filed: 1997-01-03
Abstract: Modifiserte polypropylenslagfaste polymersammensetninger inneholdende en basepoly- propylenslagfast kopolymer og en viss modifikator har god slagfasthet, seighet og resi- stens for stress-hvitting. Modifikatoren omfatter en hydrogenert blokk-kopolymer med minst én polymerblokk av hovedsakelig polymerisert monoalkenylaromatisk hydrokar- bonmonomerenheter og minst én polymerisk blokk av hovedsakelig polymerisert konju- gert diolefinmonomerenheter. Modifikatoren kan ytterligere inneholde en polyetylenisk etylen-α-olefinkopolymer.
Patent NO-972065-L (NO)
Inventor: STJERNFELT ULLA
IPC: A61P7/02
Filed: 1997-05-05
Abstract: PCT No. PCT/SE95/01228 Sec. 371 Date Dec. 18, 1995 Sec. 102(e) Date Dec. 18, 1995 PCT Filed Oct. 19, 1995 PCT Pub. No. WO95/14084 PCT Pub. Date May 17, 1996This invention relates to a storage stable concentrated water-solution for infusion having a pH in the range from 1.0 to 2.5 and containing an active thrombin inhibitor having the formulaHOOC-CH2-Ywherein Y is (R)-Cha-Pic-Nag or (R)-Cgl-Aze-Pab, as a salt or as a free base thereof, a process for their preparation and to a method for treatment of a patient in need of said formulation.
Patent NO-972981-L (NO)
Title: Anordning for fremgangsmåte ved trådlös kommunikasjon
Inventor: ERIKSSON DICK
IPC: H04W8/12
Filed: 1997-06-26
Abstract: Anordning for fremskaffelse av mobilitet i et kom-munikasjonssystem inkludert et antall private gren-sentraler som et antall radiosentraler er tilkoblet over et grensesnitt, idet et antall trådløse lokal-linjer ("extensions") er koblet til hver private . gren-sentral gjennom radiosentralene.obilitets-serveranordninger er anordnet mellom hver private gren-sentral og minst én radiosentral som inter-arbeidende med den private gren-sentralen etter-likner en radiosentral, og derved fremskaffer tråd-løs mobilitet mellom et antall radiosentraler.
Patent NO-975794-L (NO)
Inventor: ANDERSSON CONNY
IPC: B28C1/14
Filed: 1997-12-09
Abstract: PCT No. PCT/SE96/00706 Sec. 371 Date Dec. 9, 1997 Sec. 102(e) Date Dec. 9, 1997 PCT Filed May 31, 1996 PCT Pub. No. WO97/00124 PCT Pub. Date Jan. 3, 1997The invention relates to a method and an apparatus for homogenizing bulk material, wherein the bulk material is supplied from above into a container which is restricted sidewards and downwards and is fed out by means of a feeding out conveyor located in the lower portion of the container. The characteristic features of the invention are that the bulk material is fed in from above in one end of the container (20), wherein the bulk material is caused to slide down towards the opposite end of the container such that a bed of bulk material is formed having a sloping profile in the container, and wherein, due to the sliding, heavier and/or coarser fractions of the bulk material slides more than lighter fractions, and that during each time unit a volume of bulk material is fed out from the bottom portion of the container from each section ( DELTA l) of the length of the container in the feeding out direction, said volume of bulk material corresponding to the supply of bulk material during the same time unit to the section (An) of the upper surface of the bed lying straight above said section of the length of the container, wherein the bulk material is caused to move essentially downwards in the bed along the entire length of the bed towards said outfeeder (30) which feeds out the material from each section at essentially the same rate as new material is supplied to the above lying surface section of the upper surface of the bed.
Patent NO-980276-L (NO)
Inventor: HERMENTIN PETER
IPC: G01N30/86
Filed: 1998-01-21
Abstract: PCT No. PCT/EP96/02319 Sec. 371 Date Jan. 26, 1998 Sec. 102(e) Date Jan. 26, 1998 PCT Filed May 30, 1996 PCT Pub. No. WO97/05490 PCT Pub. Date Feb. 13, 1997The present invention involves a process for characterizing the glycosylation of glyco-proteins and an in vitro process for determining the bioavailability of glyco-proteins, based on the "hypothetical charge number" (or N) and usable for both endogenic and exogenic glyco-proteins.
Patent NO-981531-L (NO)
Inventor: PALM SCOTT K
IPC: B01D37/02
Filed: 1998-04-03
Abstract: This invention relates to the selective separation of particles according to particle size. More particularly, this invention pertains to advanced particulate media which are carefully sized so as to permit precise and selective separation of microparticles suspended in fluids according to particle size, and to methods of using these advanced particulate media to achieve precise and selective separation.
Patent NO-991116-L (NO)
Title: Fjernstyringssystem for et automatisk styrt kjöretöy
Inventor: ALOFS CORNELL W
IPC: G05D1/02
Filed: 1999-03-08
Abstract: Et styresystem for styring av et automatisk styrt kjøretøy langs en bane er omtalt hvil- ket innbefatter skinner for å holde AGVen til de generelle rette partiene av banen og et ikke-skinnestyresystem for å styre AGVen fra enden av et første skinnesegment til begynnelsen av et annet. Skinnene sørger for det nødvendige kontrollnivå for å tillate at et ubemannet kjøretøy beveger seg ved høye hastigheter, idet ikke-skinnestyre- systemet eliminerer behovet for skinneskiftere som ellers vil være nødvendig for å skifte et skinnesryrt kjøretøy fra et skinneparti til et annet.
Patent NO-993737-L (NO)
Inventor: LIGHT WEIGHT SUPPORT AB
IPC: A61F5/01
Filed: 1999-08-02
Abstract: An ankle-foot orthosis made of a carbon fibre reinforced material having low weight is carried on the lower leg, extending over the lateral ankle and preventing plantar flexion. The orthosis may be worn under ordinary clothes and inside shoes and promotes a more natural gait pattern. The ankle-foot orthosis comprises a frame of thin flexible material extending over the front of the lower leg, anterior of the lateral ankle and beneath the sole of the foot and a supporting portion of rigid material extending over a part of the lower leg, anterior of the lateral ankle and beneath a part of the sole of the foot. The orthosis also comprises a fastening means for fastening the orthosis to the leg. In a preferred embodiment the orthosis comprises a substantially inflexible reinforcement element and a tough flexible element, the reinforcement element extending over a narrow part of substantially the whole frame and the flexible part extending over a substantial part of the sole of the foot. The frame is preferably made of thin flexible fibre glass reinforced plastic resin material, said reinforcement element being made of rigid carbon fibre reinforced plastic resin material. Said tough flexible element is preferably made of aramid fibre reinforced plastic resin. <IMAGE>
Patent NO-994947-L (NO)
Inventor: LANGLOIS MICHEL
IPC: C07C233/23
Filed: 1999-10-11
Abstract: Cycloalkene substituted cyclic derivatives (I) are new. Cycloalkene substituted cyclic derivatives of formula (I), their enantiomers, diastereoisomers and their acid or base addition salts are new. A = a group of formula (i) or (ii) (optionally substituted by Ra, ORa, OH, CORa, formyl, COORa, COOH or OCORa; Ra = 1-6C alkyl, 2-6C alkenyl, 2-6C alkynyl, 1-6C polyhaloalkyl, 3-8C cycloalkyl, 3-8C cycloalkyl-(1-6C) alkyl, 3-8C cycloalkenyl, 3-8C cycloalkenyl-(1-6C) alkyl (all optionally substituted with at least one OH, 1-6C alkoxy, 1-6C alkyl, 1-6C polyhaloalkyl, amino or halo), aryl, aryl-(1-6C) alkyl, heteroaryl or heteroaryl-(1-6C) alkyl; X, Y' = O, S or CH2; D' = benzene or naphthalene; a-d = single or double bond; Z = O, S, CH2 or NR<1>; R<1> = H, 1-6C alkyl, aryl or aryl-(1-6C) alkyl; D'' = benzene or pyridine; R = H, halo, OH, SH, Ra, ORa, S(O)nRa or a (un)saturated 5- to 7-membered ring of formula (iii) (optionally substituted with at least one 1-6C alkyl, 1-6C alkoxy, carboxy, 1-6C alkoxycarbonyl, OH or =O); n = 0-2; E = O or -S(O)n-; G1, G2 = single bond, -(CH2)t- (optionally substituted with at least one OH, COOH, formyl, Ra, ORa, COORa, CORa or halo; p, q = 0-4; p + q = 1-4; B' = -NR<1>aC(Q)R<2>a, -NR<1>aC(Q)NR<2>aR<3>a or -C(Q)NR<1>aR<2>a; R<1>a-R<3>a = H or Ra; Q = O or S; aryl = phenyl, naphthyl, biphenyl (all optionally substituted with at least one OH, 1-6C alkoxy, 1-6C alkyl, 1-6C polyhaloalkyl, CN, COOH, 1-6C alkoxycarbonyl, NO2, amino or halo); heteroaryl = 5- to 10-membered mono- or polycyclic aromatic ring containing 1-3 N, O or S (optionally substituted with at least one OH, 1-6C alkoxy, 1-6C alkyl, 1-6C polyhaloalkyl, CN, COOH, 1-6C alkoxycarbonyl, NO2, amino or halo); and provided that q = 0 and p = 4, or q = 4 and p = 0 do not apply, when A is naphthyl (optionally substituted with methoxy or methyl), G1 and G2 are single bonds and B' is a group of formula (iv) or NHCOCH3; that A is other than halo substituted naphthyl, when G1 is a single bond and p + q is 1; B' is other than urea, when A is indolyl substituted on position 2 with a group of formula (v); and that B' is other than CONH-aryl, when A is indolyl substituted on position 2 with carboxyl or alkoxycarbonyl, p is 1, q is 0 (p is 0 and q is 1) and G1 is single bond. A Independent claim is also included for the preparation of (I).
Patent SE-0004265-L (SE)
Inventor: HIRVONEN ISMO
IPC: B01D3/06
Filed: 2000-11-22
Abstract: The present invention relates to a process and a device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances which are to be concentrated. The liquid is heated to close to boiling temperature in a heat exchanger ( 1 ) of the falling-film type. The process is characterized in that the pressure on the liquid side in the falling-film heat exchanger ( 1 ) is kept so high that boiling does not take place in this heat exchanger and in that the evaporation takes place, by means of flashing, in a separate expansion tank ( 7 ) that has a lower steam.
Patent SE-0004353-L (SE)
Inventor: FRANZ KONRAD
IPC: A61J1/05
Filed: 2000-11-27
Abstract: The invention relates to a device (1) in the form of a container (2) having a container interior (9) partially delimited by a container body (8) comprising a container shell (3) having an external and an internal shell surface (10, 12) and a container base (7) arranged at one of two end faces (5, 6) of the container shell (3) disposed at oppositely lying ends in the direction of a container central axis (4). The second end face (5) of the container shell (3) surrounds a container opening (14). At least one data medium (16) for recording and reproducing and/or processing data is arranged on the container body (8) by means of an appliance (17) provided with an adhesive and/or in the container body (8), in particular being joined thereto and/or arranged in the container interior (9) and/or joined thereto.
Patent SE-0102093-L (SE)
Inventor: HSU LILY
IPC: B65D/
Filed: 2001-06-13
Abstract: The container has a separating element(5) which is movably connected to an inner engagement element(4) through which it can be moved from a first position, in which it is not in contact with the sealing packing, to a second position, in which the sealing packing is separated by the separating element in order to release the second substance from it so that this second substance can be mixed with the first substance through the opening in the body of the container. The separating element has at least one outlet to create a connection to a through-hole inside the engagement element.
Patent SE-0102423-L (SE)
Inventor: SVENSSON GERHARD
IPC: E02B3/10
Filed: 2001-07-05
Abstract: A method for making an embankment in areas and forming a barrier against water with the help of supports. For this purpose, corrugated steel sheets or corrugated panels of some other material, such as plastic or aluminum, are folded across their longitudinal direction along perforations in the sheets so that sections of the sheet extend at an angle to one another, and the aforementioned folded formed barrier supports are caused to be positioned on a supporting surface so that a folded section of each sheet forms a barrier support ( 16 ) that faces towards the intended damming area. The barrier support is formed laterally by a number of mutually overlapping folded corrugated sheets. An arrangement for the execution of the method.
Patent SE-0103359-L (SE)
Inventor: JOENSSON SVEN
IPC: A01D33/04
Filed: 2001-10-10
Abstract: A device (1) for removing stones (2) from root crops (3) in a mixture of root crops (3) and stones (2). The device (1) can be located in a cleaning plant or in a harvester. The device (1) is characterised in that it comprises a rotatable shaft (4), elongate carrier elements (5) without considerable rigidity which are connected with the shaft (4), and surface-forming means (6) which are arranged at the ends of the carrier elements (5), which are the outer ends relative to the shaft (4). The carrier elements (5) are arranged so that at a rotary speed of the shaft (4) they are capable by centrifugal force of carrying, via the surface-forming means (6), root crops (3) but not stones (2). <IMAGE>