baber/WOPTO huggingface dataset:
Patent KR-200496189-Y1 (KR)
Title: 냉장고용 선반 지지대 구조
IPC: A47F3/04
Filed: 2021-03-30
Granted: 2022-11-23
Abstract: 본 고안은 공업적 사출성형에 의해 지지프레임과 높이조절의 선반지지구를 일체 성형 또는 부분간격에 끼움고정으로 높이조절이 가능하며, 지지프레임의 단부에 상호 대향으로 성형되는 상, 하부 반턱돌기에 의해 반턱이음의 연속이음 시공으로 설치의 편이성과 공업적 양산에 의해 제조원가를 절감을 극대화한 냉장고용 선반지지대 구조를 제공하는데 있다. 
본 고안의 상기 목적은 몸체의 배면 길이방향으로 성형된 다수의 보강리브살과, 상기 몸체의 상,하단에 나사조립공이 관통되고 상호 대향된 반턱구조의 상, 하부 반턱돌기로 성형된 지지프레임과, 상기 몸체의 전면 길이방향으로 상하로 일정간격을 갖고 일체로 성형된 삼각지지몸체와, 이 삼각지지몸체의 상부면 선단에 걸림턱을 성형한 선반지지구로 구성되되, 상기 지지프레임은 상호간 상부와 하부가 반턱이음으로 연속 연결되고 나사조립공을 통해 나사로 체결되어 길이 연장이 제공되는 냉장고용 선반 지지대 구조에 의해 달성된다.
Patent KR-200496891-Y1 (KR)
IPC: E04G5/04
Filed: 2022-09-22
Granted: 2023-05-26
Abstract: 본 고안은 작업자의 추락을 방지할 수 있도록 된 새로운 구조의 고소작업용 발판에 관한 것이다. 
고소작업용 발판은 작업자가 작업중에 안전벨트에 구비된 고리를 상기 안전고리바(40)에 걸어 고정할 수 있음으로, 작업자가 실수로 추락하여 부상을 입는 것을 방지할 수 있는 장점이 있다.
Patent KR-200497093-Y1 (KR)
Title: 불순물 여과기
IPC: A47J31/20
Filed: 2023-02-24
Granted: 2023-07-26
Abstract: 본 고안은 불순물 여과기에 관한 것으로, 내부가 비어 있고 상단면과 하단면이 개방된 통형의 몸체(120) 내부에 상기 몸체(120) 내부를 하향 경사지게 가로막는 형상을 이루는 회동여과판(140)이 구비되되, 상기 회동여과판(140)은 일측 단부가 상기 몸체(120) 상단부 가장자리에 회동할 수 있게 장착되어, 상기 회동여과판(140)을 아래로 회동시켜 개방시킨 상태에서 상기 몸체(120)를 용기(200) 내부에 투입한 다음, 상기 회동여과판(140)을 위로 회동시켜 상기 몸체(120) 내부를 가로막은 상태로 들어올림으로써 상기 용기(200) 내부에서 물에 떠 있는 불순물을 상기 회동여과판(140)으로 걸러 건지게 되는 불순물 여과기에 관한 것이다.
Patent PH-22014000678-Y1 (PH)
Title: Polyvinylpyrrolidone - chitosan implant for endoscopic treatment of vesicoureteral reflux
Inventor: PHD LUCILLE V ABAD
IPC: A61L27/52
Filed: 2014-11-28
Abstract: A biocompatible Polyvinylpyrrolidone (PVP)-Chitosan hydrogel implant prepared by gamma radiation crosslinking which can be injected into human body for tissue replacement and augmentation. The implant is prepared by dissolving the PVP and highly deacetylated chitosan in acetic acid solution and irradiating the solution to produce the gel. The synthesized radiation-cross linked PVP-chitosan implant has properties of a good tissue augmenting or bulking substance such as ease of injection through a small gauge needle, stability, biocompatibility and non-migration. PVP-chitosan implant is a potential alternative to the commercially available implant for endoscopic treatment of vesicoureteral reflux (VUR).
Patent PH-22019001614-Y1 (PH)
Title: A composition for making ginger-turmeric chewy pastillas
Inventor: SUANDING RUDA FE A
IPC: A23G3/34
Filed: 2019-12-17
Abstract: The present utility model relates a composition of making ginger-turmeric flavored chewy pastillas comprising of: 12.5 pcnt premium margarine; 38.75 pcnt condensed milk; 31.25 pcnt powdered buttermilk; 11.25 pcnt ginger-turmeric powder; and 6.25 pcnt refined sugar for dusting. The said ginger-turmeric powder is having a ratio of 85 pcnt ginger powder and 15 pcnt turmeric.
Patent BR-202014001736-Y1 (BR)
Title: Bases de corte para impressora de corte
Inventor: ADINES VALMORBIDA BARATIERI
IPC: B41F15/18
Filed: 2014-01-24
Abstract: bases de corte para impressora de corte, sendo que essas ditas bases feitas em pvc são recortadas de acordo com a necessidade da impressão que se está fazendo, se aplica um filme de policloreto de vinila de 0,09 mm de espessura, de modo a formar um material composto de maior espessura.
Patent BR-202015003155-Y1 (BR)
Title: Montagem de assento de veículo com sistema de múltiplos contornos
Inventor: ADAM SACHS
IPC: B60N2/64
Filed: 2015-02-12
Abstract: montagem de assento de veículo com sistema de múltiplos contornos. uma montagem de assento de veículo inclui uma superfície de assento. uma pluralidade de coxins poliméricos inclui, cada qual, um metal de memória encerrado em si, um primeiro lado operavelmente acoplado com uma estrutura de suporte subjacente, e um segundo lado próximo à superfície de assento. uma fonte elétrica é operavelmente acoplada ao metal de memória em cada coxim polimérico e é configurada para suprir energia para a pluralidade de metais de memória em cada coxim polimérico. um controlador está em comunicação com a pluralidade de coxins poliméricos e é configurado para dispensar uma entrada elétrica predeterminada para o metal de memória de cada coxim polimérico. a entrada elétrica predeterminada manipula cada coxim polimérico para um estado deformado, que opera uma almofada entre uma multiplicidade de posições de conforto. uma bexiga de ar é disposta abaixo da pluralidade de coxins poliméricos. a bexiga de ar é operável entre uma condição inflada e uma condição esvaziada.
Patent JP-S5919883-Y2 (JP)
IPC: F28D1/04
Filed: 1980-03-19
Granted: 1984-06-08
Abstract: A heat exchanger having a plurality of heat exchanging units (37,38) for different fluids to be cooled, and a blower (22) around which the heat exchanging units (37,38) are arranged. Each heat exchanging unit (37,38) may include tank chambers (24-27) to which a fluid inlet pipe (28,29) and a fluid outlet pipe (30,31) are connected, respectively, tubes (33,34) connected between the tank chambers (24-27) and fins (35,36) attached to the tubes (33,34). The heat exchanging units (37,38) are arranged concentrically with each other around the axis (20) of the blower (22).
Patent JP-H084638-Y2 (JP)
IPC: G04G99/00
Filed: 1993-10-29
Granted: 1996-02-07
Abstract: The means enables a signal transmitted by the clock to be interrupted or else finally turned off by the user approaching the clock, or else moving only a part of his body, for example his hand towards it. The clock is preferably equipped with a transmitter 2, 2' emitting infrared radiation or ultrasonic waves and a corresponding receiver 3, 3' which detects infrared radiation or the ultrasonic waves reflected by the moved body part 1. The temporal change in intensity is determined in a signal-conditioning circuit 4, 5 and 6 and compared in a threshold switching stage 7 to a prescribable value upon the overshooting of which the alarm signal A is turned off. 
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Patent IT-221878-Z2 (IT)
Title: Struttura di tavolo da stiro
IPC: D06F/
Filed: 1991-05-23
Granted: 1994-12-06
Abstract: Struttura di tavolo da stiro, la quale comprende piano da stiro, che presenta una pluralità di fori, a cui è fissata inferiormente una vasca, che delimita in cooperazione con il piano da stiro una camera. La peculiarità del trovato consiste nel fatto di comprendere mezzi di surriscaldamento di vapore fissati al piano da stiro su una sua faccia affacciantesi verso la camera. I mezzi di surriscaldamento presentano mezzi di distribuzione del vapore ad una molteplicità di fori disposti in posizione predeterminata sul piano da stiro e sono dotati di una mandata di vapore collegata con mezzi di generazione del vapore. Il piano da stiro è riscaldato da mezzi di riscaldamento, la vasca presentano almeno una bocca di aspirazione di vapore dalla camera e d'aria attraverso una pluralità di fori praticati nel piano da stiro.
Patent GB-286035-A (GB)
Title: Improvements in junction boxes for electric cables
IPC: H02G15/113
Filed: 1927-01-01
Abstract: 286,035. Walsall Hardware Manufacturing Co., Ltd., and Read, A. E. Jan. 1,1927. Junction boxes.-A clamp for bonding the lead sheaths of cables to the box is arranged opposite each inlet opening and consists of clamping blocks 10 mounted in guides 9 on the lower part 2 of the box and pressed together by externally operated means such as screws 13 working in the upper part 1 of the box. The two parts of the box are held together by screws 7 cast in the lower part, interengaging projections 4 and grooves 3 being provided. The cable armouring is secured by external clamps comprising internally grooved members 20 with bifurcated lugs 21 engaging screws 19 fixed in lugs 18 on the box. A filling opening 26 and air vents are provided.
Patent HK-493-A (HK)
Title: Low energy fuse and method of manufacture
Inventor: GREENHORN ROBERT CHAUNCEY
IPC: C06C5/04
Filed: 1993-01-07
Abstract: A low energy fuse is extruded as a single ply primary tube 1 from a plastic resin blend with particulate energetic material 2 being internally distributed in a manner known per se, said resin blend comprising a major amount of an orientable polymer, for example, linear low density polyethylene to provide structural integrity and a minor amount of a modifier to impart enhanced particle retentive properties to the tube and preferably also containing a polymer or copolymer to impart melt strength and aid in tube extrusion.
Patent CR-9788-A (CR)
Title: Colorantes azo reactivos y mezclas de colorantes azo reactivos con fibras, su preparacion y su uso
Inventor: EICHHORN JOACHIM
IPC: C09B67/22
Filed: 2008-02-29
Abstract: Colorantes azo reactivos y mezclas de colorantes azo reactivos a fibras, su preparacion y su uso. La presente invencion se refiere a mezclas de colorantes que comprenden al menos un colorante de formula (I): Al menos un colorante de formula (II) y opcionalmente al menos un colorante de formula (III) y/u opcionalmente al menos un colorante de formula (IV) en las cuales D1 a D7, R201 a R203, R0, R* y R**, T, M, v,b y f son como se definieron en la reivindicacion 1, a colorantes de la formula (II), a procesos para su preparacion y a su uso para tenir e imprimir materiales que contienen hidroxilo y carboxamido.
Patent GB-546240-A (GB)
Title: Improvements in or relating to the treatment of dust-laden air
IPC: E21F5/20
Filed: 1941-01-01
Abstract: 546,240. Treating dusty air. JONES, T. D., and TERRELL, W. A. Jan. 1, 1941, No. 38. [Class 8 (ii)] [Also in Group XII] Dusty air, such as rises from a truck 20 to which coal is being delivered from a conveyer through a shoot 22, is conveyed by a fan 12 through a conduit having an enlarged mouth 16 to a baffle chamber 13 larger than the conduit and then to a spray chamber 15. A baffle 17 in the conduit mouth equalizes air flow. A hopper 23 receives spillage from the conveyer and delivers it to a truck, this hopper may be connected with the suction conduit. The conduit may extend below the conveyer, or the conduit and conveyer may extend oppositely from the truck. Specifications 21099/93, [Class 8]; 127,095, [Class 55 (ii)] ; and 522,980, [Group XII], are referred to.
Patent HU-T38841-A (HU)
Title: Process for producing compositions for producing immune-response against tumours and virus
Inventor: DEFREITAS ELAINE
IPC: C12N15/02
Filed: 1984-11-05
Abstract: Anti-idiotype antibodies, their production and their use in inducing an immunological response to viruses.
Patent HU-T56044-A (HU)
Title: Process for utilizing waste ion exchangers
Inventor: NYESTE JULIANNA
IPC: C02F1/42
Filed: 1989-01-11
Abstract: Waste ion exchange resins are converted into secondary powder prods. and used for the removal of colloidally dissolved and/or suspended contaminants, especially large mol. wt. organic dyes from industrial waste waters and effluents. Contaminants become attached to the ion exchange powder and the contaminated powder is filtered out contaminant contact with the ion exchanger takes place in suspn. or by continuous filtration through an ion exchanger powder bed. Opt. filter aids and higher temp. may be used during filtration. Anionic and cationic resins are used separately or together for purifc
Patent IS-4949-A (IS)
Inventor: BROUGHTON HOWARD BARFF
IPC: C07D487/08
Filed: 1999-01-19
Abstract: Substituted triazolo-pyridazine derivative compounds represented bywherein the variables are disclosed herein are selective ligands for GABA-A receptors, particularly for the alpha2 and/or alpha3 subunits.
Patent IS-6170-A (IS)
Inventor: SCHENK DALE B
IPC: A61K39/44
Filed: 2001-11-21
Abstract: Disclosed are pharmaceutical compositions and methods for preventing or treating a number of amyloid diseases, including Alzheimer's disease, prion diseases, familial amyloid neuropathies and the like. The pharmaceutical compositions include immunologically reactive amounts of amyloid fibril components, particularly fibril-forming peptides or proteins. Also disclosed are therapeutic compositions and methods which use immune reagents that react with such fibril components.
Patent JP-S60144754-A (JP)
Title: Base material for electrophotographic sensitive body
Inventor: ASHITANI SEIJI
IPC: G03G5/14
Filed: 1984-01-05
Abstract: PURPOSE:To provide excellent conductivity as a conductive base material for a photosensitive body and to enable prevention of oxidation under high humidity and a decrease in dependency of resistivity on temp. and humidity by consisting conductive pulverous powder of a mixture composed of a coarse powder component and fine powder component respectively having specific grain sizes within a specific rate. CONSTITUTION:Conductive pulverous powder is formed on a mixture composed of two kinds; a coarse powder component having 0.2-0.6mum average grain size and fine powder component having <=0.1mum, by which various characteristics as the conductive pulverous powder can be controlled conveniently. More specifically, the resistance value can be largely decreased with virtually no deterioration in the surface smoothness and transparency of the conductive layer by replacing a part of the coarse powder component as compared with the conductive layer consisting of only the fine powder component having the same grain size distribution. The mixing ratio of the fine powder and the coarse powder is required to be made into such a ratio at which the coarse powder component occupies 20-50wt% of the entire part of the conductive pulverous powder. If the ratio exceeds >=50wt%, the surface smoothness decreases sharply. The effect of decreasing the resistance is hardly observed at <=20wt%.
Patent YU-9091-A (YU)
Title: Ugljeni filter za vodu
Inventor: VLADIMIR MANOJLOVIC
Filed: 1991-01-21
Abstract: UGLJENI FILTER ZA VODU, suština pronalaska se sastoji u primeni filtra za vodu načinjenog mešavinom specijalno pripremljene plastične mase vlaknastog oblika i odgovarajuće količine aktivnog uglja u prahu. Sirova voda (iz vodovodne česme) se propušta kroz ovaj filterski materijal oslobadjajući se na taj način dobrim delom štetnih hemijskih jedinjenja i drugih polutanata - zagadjenja ako su sadržani u vodovodskoj vodi. Za navedenu tehnologiju za popravku kvaliteta vode iz gradskih vodova primenjuje se uredjaj koji se sastoji iz dva osnovna dela: deo u kome je smešten filterski materijal (filter) i deo za akumulaciju čiste vode (posuda za čistu vodu različitog oblika i veličine) što omogućava da se uredjaj koristi ili kao protočni tip (koristi se samo filter - bez posude za čistu vodu) ili kao akumulacioni (koriste se oba dela uredjaja). Kada filterski materijal izgubi svoju efikasnost za redukciju štetnih polutanata iz vode (posle približno godinu dana) vrši se zamena filterske ispune.
Patent AT-A45899-A (AT)
IPC: B61B3/00
Filed: 1999-03-15
Abstract: The transporting device has a track carrier (3) for transporting the vehicle (5). There is at least one suspension cable (1) running along the track carrier. At least one sector of the track carrier is hung directly or via an intermediate element (4) from the suspension cable. There is at least one stabilizing cable (7, 7') at the side of or below the cross section of the track carrier.
Patent CH-502175-A (CH)
Title: Forming plastic tube by inflating against - external mould
Inventor: RUDOLF HELLER
IPC: B29C33/46
Filed: 1969-01-23
Abstract: Forming plastic tube by inflating against external mould. Plastic tube or other hollow prismatic object, opt. with embedded reinforcement, is formed by applying plastic, pref. semi-liquid, material to outside of a flexible sleeve or similar separating layer which surrounds a perforated core. Pressurized fluid fed into core then inflates sleeve and moulds tube against an outer mould. Pressure is maintained during hardening.
Patent CR-10542-A (CR)
Title: Sistema de ladrillo con varilla
Inventor: ABELLA RICARDO ENRIQUE
IPC: E04C1/00
Filed: 2008-12-19
Abstract: La invencion de la presente solicitud provee un sistema de ladrillo y varilla para la construccion de paredes con una alta capacidad de resistencia a fuerzas gravitacionales, laterales y ciclicas extremas. Este sistema permite la construccion de una pared hecha de ladrillos reforzada con un esqueleto de varillas.
Patent CU-34559-A (CU)
Title: Proceso para la hidrorefinación de fracciones de petróleo destilado
Inventor: OSIPOV LEV NIKOLAEVICH
IPC: B01J21/04
Filed: 1976-07-23
Abstract: Un proceso para la hidrorefinación de fracciones de petróleo destilado, que recide en que la fracción de petróleo destilado se pone en contacto con un catalizador consistente en 8.5-4.5% por peso de zeolita, tipo Y, tomada en un estado desaluminizado y descationizado, 68.0-71.0% por peso de alúmina, 6.0-7.0% por peso de óxido de níquel, 16.0-17.0% por peso de óxido de molibdeno y 1.5-0.5% por peso de los óxidos de metales alcalinos raros a temperatura desde 360 a 400sC y una presión de 40 a 50 atm, en la presencia de un gas que contenga hidrógeno, para obtener una mezcla conteniendo el producto hidrorrefinado, aislado después este último de dicha mezcla.
Patent DK-50181-A (DK)
Inventor: ANNEN K
IPC: C07J41/00
Filed: 1981-02-05
Abstract: A process for preparing a 6-methylene- DELTA 4-3-keto steroid of the formula   <IMAGE>   wherein R is hydrogen, alkoxy of up to 6 carbon atoms or acyloxy of up to 6 carbon atoms wherein the acyl group is that of a carboxylic acid, and R' is the CD-ring system of a steroid of the androstane or pregnane series, comprising reacting the corresponding  DELTA 4-3-keto steroid of the formula   <IMAGE>   with a formaldehyde derivative of the formula X(CH2O)nY wherein n is 1, 3 or an integer on the order of 100-1000, and X is C1-5 alkoxy and Y is C1-5 alkyl when n is 1, X and Y represent a single bond between the terminal C atom and the terminal O atom when n is 3, and X is hydroxy and Y is hydrogen when n is an integer on the order of 100-1000, in an inert solvent in the presence of a condensation agent which is a strong acid a strongly acidic cation exchanger or a phosphoric acid derivative.
Patent DK-54187-A (DK)
Inventor: JANSSENS FRANS EDUARD
IPC: C07D471/04
Filed: 1987-02-02
Abstract: Pharmaceutical compsn. comprises as active ingredient a therapeuticall effective ant. of an N-(4-piperidinyl)-3H-imidazo (4,5-b) pyridine-2-amine or N-(4-piperidinyl)-1H-benzimidazole-2-amine cpd. of formula (I) or its pharmaceutically acceptable acid addn. salt or steroisomer: where L=H, 1-6C alkoxy-carbonyl or benzyloxyearbonyl, A= gp. of formula (a) -CH=CH-CH=CH-, (b) -N=CH-CH=CH-, (c) -CH2N-CH=CH-, (d) -CH0CH-N=CH- or (e) -CH=CH-CH=N-, where 1 or 2 H atoms of (a) - (e) may be replaced by halogen, 1-6C alkyl, 1-6C alkoxy, CF3 and/or OH gp(s).; R= H or 1-6C alkyl; R1=H, 1-10C alky, 3-6C cycloalkyl, Ar1 or 1-6C alkyl substd. by 1 or 2 Ar1; R2= H, 1-6C alkyl, 3-6C cycloalkyl, 1-6C alkyl -(O-, 1-6C alkoxy-CO- or Ar2 - 1-6C alkyl; Ar1 = phenyl (opt. substd. by 1-3 of halogen, OH, N02, CN CF3, 1-6C alyl, 1-6C alkoxy, 1-6C alkylthio, SH, NH2, mono-or di-(1-6C alkyl)-amino, carboxyl, 1-6C alkoxy -carbonyl and/or 1-6C alkyl -co-), thienyl, halothienyl, furanyl, 1-6C alkyl-furanyl, pyridinyl, pyraxinyl, thiazolyl or imidazolyl opt. substd. by 1-6C alkyl, and Ar2 = phenyl opt. substd. as in Ar1. Cpds. of formula (I) and salts and stereoisomers are new where R1=R1a= 1-6C alkyl substd. with 1-6C alkyl-substd. furanyl other than 5-methyl-2-furanyl.
Patent DK-69384-A (DK)
Inventor: CAMPOS FRANCIS
IPC: B60C11/00
Filed: 1984-02-15
Abstract: A tire which emits reduced travel noise, when moving on a surface, having a tread formed of load-bearing elements distributed over the circumference of the tire in accordance with a plurality of repetitive design cycles of variable pitch is characterized by the fact that the number of each of the principal design cycles of different pitch satisfies all of the n-1 general relationships (B): <IMAGE>   and by the fact that the number of each of the design cycles present on the tread satisfies the relationship (C):   <IMAGE> it being understood that   <IMAGE>  and/or  epsilon  may each be equal to zero.
Patent EG-19008-A (EG)
Title: A method for the preparation of novel iodinated nonionic triodobenzene compounds and of contrast media containing them
IPC: C07C237/46
Filed: 1989-06-01
Granted: 1994-06-30
Abstract: The invention relates to new nonionic compounds of formula <IMAGE>   These compounds can be employed as contrast agents.
Patent EG-19065-A (EG)
Title: Improvements in or relating to specific 5 - ht3 antagonists
Inventor: COHEN MARLENE
IPC: A61K31/439
Filed: 1988-09-08
Granted: 1994-11-30
Abstract: This invention provides bicyclic carboxylic esters and amides, their pharmaceutical formulations, and a method for their use in treating migraine, emesis, gastrointestinal disorders, schizophrenia, or anxiety in mammals.
Patent EG-20425-A (EG)
Title: Process for preparing of pyrido (1,2,3-d,e) (1,3,4) benzoxadiazine derivatives
IPC: C07D401/04
Filed: 1994-08-29
Granted: 1999-04-29
Abstract: The present invention relates to novel pyrido[1,2,3-d,e][1,3,4]benzoxadiazine derivatives of the formula (I)   <IMAGE>  in which   R<1> is hydrogen or C1-C4-alkyl which is optionally substituted by hydroxyl or halogen,   R<2> independently of R<1> is hydrogen or methyl,   R<3> is hydrogen or C1-C4-alkyl, R<4> is hydrogen, alkyl having 1 to 4 carbon atoms, which is optionally substituted by hydroxyl, methoxy, amino, methylamino or dimethylamino, or (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl,   X<1> is hydrogen or halogen,   Z is a radical of the structure   <IMAGE>  wherein   R<7> is hydrogen, hydroxyl, -NR<10>R<11>, hydroxymethyl or -CH2-NR<10>R<11>, carboxyl, methoxycarbonyl or ethoxycarbonyl, where R<10> is hydrogen, C1-C3-alkyl which is optionally substituted by hydroxyl, or alkoxycarbonyl having 1 to 4 C atoms in the alkoxy moiety or C1-C3-acyl, and   R<11> is hydrogen or methyl, R<8> is hydrogen, straight-chain or branched C1-C3-alkyl or cyclopropyl,   R<9> is hydrogen or methyl,   R<6> is hydrogen or methyl, R<5> is hydrogen, methyl or radicals of the structures -CH=CH-CO2R<5'>, -CH2-CH2-CO2R<5'>, -CH2-CO-CH3, -CH2-CH2-CN,   R<5'> is methyl or ethyl,   B is -CH2-, O or a direct bond, their preparation and their use for the therapy or prevention of bacterial infections.
Patent GB-156215-A (GB)
Title: Manufacture of anthraquinone and its derivatives
Filed: 1921-01-03
Abstract: Anthraquinone is prepared by oxidizing anthracene dissolved or suspended in acetic acid, by means of oxygen or an oxygen-containing gas in the presence of an oxide of nitrogen with or without another oxygen carrier.  Thus, oxygen is passed under pressure into a hot mixture of anthracene and acetic acid containing a little fuming nitric acid; or oxygen containing a small percentage of nitrous gases is introduced into a hot mixture of anthracene and acetic acid containing cobalt nitrate. Similarly, anthracene sulphonic acids can be oxidized to the corresponding quinone compounds.
Patent GB-936558-A (GB)
Title: Stopper for a ladle or similar receptacle
IPC: B22D41/16
Filed: 1962-01-03
Abstract: 936,558. Ladle stoppers. VESUVIUS CRUCIBLE CO. Jan. 3, 1962 [Jan. 16, 1961], No. 221/62. Class 82 [Also in Group XXII] A stopper for a ladle comprises a refractory head having a well extending downwardly thereinto, and a stopper rod, the two being connected by a stem which is moved into a retained position in the well, the upper end of the stem being above the end of the stopper head and attached to the lower end of the stopper rod. In the embodiments shown in Figs. 1, 3 and 6, stem 5 screws into the recess in the stopper head, whereas in Figs. 2 and 4 it is shown as being attached by a bayonet slot fitting, and in Fig. 5 it consists of two parts 15, possessing flanges 16 which engage in recesses 17 in the well, the two parts being kept in place by keeper 18. The stem may be attached to the rod or an integral inverted cup on the bottom thereof by a screwed joint, bayonet slot, or by means of a pin.