baber/WOPTO huggingface dataset:
Patent WO-0118879-A1 (WO)
Title: Halbleiterbauelement und verfahren zur herstellung des halbleiterbauelements
Inventor: SPITZ RICHARD
IPC: H01L21/329
Filed: 2000-08-26
Abstract: Es wird ein Halbleiterbauelement und ein Verfahren zu seiner Herstellung vorgeschlagen, das die Bereitstellung eines Schaltelements für hohe Schaltfrequenzen ermöglicht, ohne daß immer vorhandene Streuinduktivitäten zu hohen Störspannungsspitzen führen. Dazu sind in die Oberfläche des Wafers eingebrachte Gräben vorgesehen, die zu einer Mittelzone (10) mit lateral variabler Dicke führt. Dickere Bereiche (40) dieser Mittelzone (10) gewährleisten sanften Ausräumstromabfall, dünnere Bereiche (50) kurze Schaltzeiten und niedrige Flußspannung.
Patent WO-0191483-A1 (WO)
Inventor: ENGMANN STEFFEN
IPC: H04W4/24
Filed: 2001-05-17
Abstract: L'invention concerne un procédé servant à une authentification ou à une autorisation particulièrement simple de la station (MS) par la fonction de gestion d'état de communication ou d'état de service (CSCF). Selon l'invention, une information d'identification (IMSI) permettant l'authentification ou l'autorisation de la station (MS) est fournie lors de la demande d'enregistrement au niveau du serveur d'accès éloigné (RAS).
Patent WO-0223636-A1 (WO)
Title: Halbleiterspeicherzelle mit grabenkondensator und auswahltransistor und verfahren zu ihrer herstellung
Inventor: KARCHER WOLFRAM
IPC: H01L27/108
Filed: 2001-08-24
Abstract: Die vorliegende Erfindung betrifft eine Halbleiterspeicherzelle (1), die in einem Substrat (2) gebildet ist und einen Grabenkondensator (3) und einen Auswahltransistor (4) umfasst. Der Grabenkondensator (3) umfasst ein Kondensatordielektrikum (8) und eine leitende Grabenfüllung (10). Auf der leitenden Grabenfüllung (10) ist eine Diffusionsbarriere (19) angeordnet, auf der eine Epitaxieschicht (24) gebildet ist. Der Auswahltransistor (4) ist als planarer Transistor oberhalb des Grabenkondensators (3) angeordnet, wobei ein Drain-Dotiergebiet (13) des Auswahltransistors (4) in der Epitaxieschicht (24) angeordnet ist.
Patent WO-02091791-A1 (WO)
Title: Verfahren zur dynamischen kanalzuordnung
Inventor: SCHAUER GUENTHER
IPC: H04L12/70
Filed: 2002-04-22
Abstract: Mit diesem Verfahren, daß auch als Dynamic Rate Repartitioning DRR bezeichnet werden kann, werden in einem SDSL/SHDSL- oder ADSL-Rahmen einer entsprechenden DSL-Verbindung vorübergehend nicht benutzte zeitmultiplexbasierte Übertragungskanäle von Telefonie- oder ISDN-Verbindungen wie Channelized Voice over DSL / CVoDSL einer gleichzeitig aktiven ATM-Verbindung vorübergehend zugeordnet, um deren Datendurchsatzvolumen zu erhöhen und die Übertragungskapazität der DSL-Verbindung intensiver zu nutzen. Die Umschaltung erfolgt rahmensynchron und ohne Datenverlust, und die Bitpositionen bleiben hierbei erhalten.
Patent WO-03094336-A1 (WO)
Inventor: BEULICH KLAUS
IPC: H02P9/00
Filed: 2003-01-31
Abstract: La présente invention concerne un montage pour alimenter l'électronique de commande d'une machine électrique (10), ledit montage comprenant un circuit de transmission passif (20) qui est alimenté avec un courant de phase (IP) de la machine électrique (10) et produit une tension secondaire (VH) qui est utilisée pour alimenter l'étage terminal de la machine électrique tant qu'aucune batterie n'est présente ou que la batterie est défectueuse ou déchargée.
Patent WO-2004040196-A1 (WO)
Title: Mehrfachwendel für glühstiftkerze
Inventor: REISSNER ANDREAS
IPC: F23Q7/00
Filed: 2003-06-26
Abstract: Die Erfindung bezieht sich auf eine Glühstiftkerze, insbesondere für Brennstoffkraftmaschinen, bestehend im wesentlichen aus einem Gehäuse, einem an dem Gehäuse angeordnetes Glührohr mit einer im Glührohr angeordneten Heiz- und Regelwenden, wobei diese Heiz- und Regelwendel über einen im Gehäuse angeordneten Anschlussbolzen mit Strom beaufschlagbar ist. Erfindungsgemäss ist vorgesehen, dass wahlweise die Regelwendel (7) oder die Heizwendel (5) oder die Heiz- und Regelwendel (4) mehrfach gewickelt sind.
Patent WO-2004053318-A1 (WO)
Title: Rücklauffreies kraftstoffversorgungssystem
Inventor: SCHELHAS PETER
IPC: F02M37/02
Filed: 2003-07-11
Abstract: Die Erfindung betrifft ein rücklauffreies Kraftstoffversorgungssystem (1) für eine Brennkraftmaschine insbesondere eines Kraftfahrzeugs, mit wenigstens einer Kraftstoffpumpe (8), mittels der Kraftstoff aus einem ersten Bereich (2) eines Kraftstoffreservoirs in einen mit einem Kraftstoffzuteiler (18) in Verbindung stehenden Druckbereich (12) förderbar ist, wenigstens einer von durch eine Saugstrahlpumpenleitung (34) mittels der Kraftstoffpumpe (8) gefördertem Kraftstoff durchflossene Saugstrahlpumpe (38), durch welche Kraftstoff aus einem zweiten Bereich (4) des Kraftstoffreservoirs in den ersten Bereich (2) förderbar ist, wenigstens einem den Druck im Druckbereich (12) regelnden und/oder steuernden Mittel (20, 24, 30), und wenigstens einem Rückschlagventil (14), durch welches wenigstens ein Teil des Druckbereichs (12) gegen die Kraftstoffpumpe (8) sperrbar ist. Die Erfindung sieht vor, dass die den Druck im Druckbereich regelnden und/oder steuernden Mittel (20, 24, 30) wenigstens ein elektrisch betätigbares Magnetventil (40; 44) beinhalten, welches stromabwärts des Rückschlagventils (14) in der Saugstrahlpumpenleitung (34) angeordnet ist.
Patent DE-1801332-A1 (DE)
Title: Chipboards from unclassified saw dust
Inventor: ILMARI AALTO DIPL-ING PENTTI
IPC: B27N3/00
Filed: 1968-10-04
Abstract: Chipboards from unclassified saw dust.. GG-. By adding, to the saw dust, 10 to 30% of cellulose chips which are retained on sieves with meshes of from 10 to 20 mm. The saw dust has a moisture content of from 2 to 6% and is treated with a bonding agent in an amount of from 7 to 12%. The treated saw dust is used as the central layer in laminated chipboards whose external faces are made from planar chips or veneers. The treated saw dust is spread onto sieves on which the saw dust cake is heated 145 to 165 degrees C and pressed first at pressure of 15 to 30 kp per sq.cm. for 2 to 6 mins and subsequently at a reduced pressure. The process uses chips which on account of their size were believed unsuitable for chipboard manufacture.
Patent DE-1805745-A1 (DE)
Title: Needle chair link of tension chain for trans - porting flat goods
Inventor: BECKER ARNO
IPC: D06C3/04
Filed: 1968-10-29
Abstract: The goods are held on the chain link by needles which protrude from underneath and are fixed on a ledge. The goods are moved by the relative pivotal movement between the chain link surface and the needles around a pivotal axis which is parallel to the edge of the transport line. The pivotal element is formed by a wire frame.
Patent DE-1921934-A1 (DE)
Title: Cycloheptatriene deriv. - antiserotonin antihistamine
Inventor: LASZLO VARGHA DR
IPC: C07D211/44
Filed: 1969-04-29
Abstract: (A) Process: Sodium cpd. of 5-cyanodibenzo(a,e)cycloheptatriene + 1-methyl-4-chloropiperidine (II) (B) Intermediate cpds. of formula (II) (a) R=CN and R1=H; or (b) R=H and R1=OH. (I) has antiserotonin and antihistamine activity. The process is simpler and gives a high yield.
Patent DE-1931873-A1 (DE)
Title: New bis-azomethine dyes
Inventor: ERNST SCHEFCZIK DR
IPC: C09B43/11
Filed: 1969-06-24
Abstract: Dyestuffs where R1 is H, Cl or Br 1-4C, alkyl opt. substd. phenyl, acylamine dialkylamino, R2 is H, Cl or Br or 1-4C alkyl methoxy, ethoxy, opt. substd. carbonamide or sulphonamide, or a sulphonic acid gp. and X is a divalent aromatic diamine gp.
Patent DE-1936225-A1 (DE)
Title: Galvanic deposition of black chrome layers - on metal parts
Inventor: SCHMID EMIL
IPC: C25D3/08
Filed: 1969-07-16
Abstract: The metal part to be coated, e.g. electrodes for electric discharge arrangements, is introduced into an electrolytic bath pref. at 20-40 degrees containing 100-500g, pref. 150-300g CrO3/litre, 1-20g pref. 3-10g V2O5/litre and 0.5-5g pref. 1-3g, H2(SiF6)/litre. Pref. current density is 20-200 esp. approx. 80A/dm2.
Patent DE-1965641-A1 (DE)
Title: Electroless copper plating of steel
Inventor: GOTTA HANS DR DIPL-CHEM
IPC: C23C18/54
Filed: 1969-12-31
Abstract: Electroless plating with Cu or Cu-Sn, to facilitate cold-deformation, particularly in wire manufacture, takes place by treating surface of high grade steel with aqs. solutions containing non-oxidising mineral acids, pref. 90-140 g/l HCl and optionally 170-350 g/l H2SO4, and 30-100 g/l soluble Ti salt, pref. Na-, K- or NH4 fluorotitanate, pref. at 15-80 degrees C for 5-15 min., and then treating with known solutions for electroless deposition of Cu-containing metal coatings, pref. aqs. solutions containing 1-20 g/l Cu, 1-10 g/l chloride, 15-400 g/l H2SO4 and 0.01-3 g/l inhibitor.
Patent DE-2012511-A1 (DE)
Title: Bread prodn and ingredients
IPC: A21D2/36
Filed: 1970-03-17
Abstract: Bread stays fresh for at least 10 days when the following are used for 5000 g charge with direct dough working, 4500 g water, 500 g whole milk, 200 g fat mixture (150 g ground nut fat and 50g baking fat), 350 g "Arkady Progress-Ready Leaven" (RTM), 400g yeast, 200 g "Arkady-Rogena" (RTM) 150 g salt, 50 g pure natural honey, 150 g roasted finely ground and 150 g roasted crushed hazel nuts, 100g coarsely ground hazel-nuts for subsequent sprinkling, 2500 g wheat flour "550 Type" (RTM) and 4250 g rye flour "997 Type" (RTM).
Patent DE-2015329-A1 (DE)
Title: Bases spherical metallic vats or - hemispherical vats
IPC: B21D51/24
Filed: 1970-03-31
Abstract: By spinning a small segment of metal as part of the sphere to be obtained and progressively depositing on it a ribbon of weld metal along the edge, the rate of deposition being adjusted to ensure that the thickness of the deposit and of the original metal are the same. The rate of spin is controlled to shape the sphere.
Patent DE-2113990-A1 (DE)
Title: Modified ketone-aldehyde resins primers,lacquers
Inventor: BITTNER RENATE
IPC: C08G6/02
Filed: 1971-03-23
Abstract: The resins are made by the known process of condensing cyclo-aliphatic ketones with aldehydes. After washing the resin soln. with water, a finely-divided matting agent is added, after which the solvent is removed by distillation. Suitable matting agents are metal salts of fatty acids (esp stearates), waxes and silica, or mixtures of these. The resins are esp. suitable for making fast-buffing primers and matt lacquers.
Patent DE-2123741-A1 (DE)
Title: Cylindrical heat exchanger - with twin helical passages surrounding central tube bundle
IPC: F28F9/22
Filed: 1971-05-13
Abstract: Cylindrical heat exchanger has central tube bundle having radial baffles with staggered cutouts to provide at least two parallel, helical passages around the tube bundle from one end of the heat exchanger to the other, so that one fluid is conveyed through the tube bundle and the other fluid is shared between the twin, helical passages. For high throughputs, this design provides a very compact heat exchanger because of exceptionally high thermal efficiency.
Patent DE-2125147-A1 (DE)
Title: Plastic foam mixer - esp for amino plastics has conical mixing chamber
IPC: B29B7/74
Filed: 1971-05-21
Abstract: An appts. for making plastics foam comprises a chamber for producing a foam developer solution contg. a hardening agent, and a second mixing chamber where this soln. is mixed with the soluble resin. This second chamber is bounded by two cones (inner and outer), with openings in the annulus at the cone bases for entry of the foam developer soln. and soluble resin. The discharge for the foamed plastic is at the apex of the conical chamber. Specif. the ratio of the inner : outer cone apex angles is 1.5 - 1.03 (19/18). Inlet holes at the base cause thorough mixing of the foam developer soln. with the soluble resin by giving opposite spiral motions to the entry jets.
Patent DE-2126778-A1 (DE)
Title: Circular knitting yard feed system - for different course lengths on different systems
IPC: D04B15/48
Filed: 1971-05-28
Abstract: A yarn feeding system on a multi system circular knitting machine, with each system taking differing amounts of yarn, which consists of a driven roller against which the yarn is pushed by another roller by magnetic force. The speed of yarn feed is determined by the depth of the needle movement sinkers and dial needles. There are electrical elements by the needle which send impulses via an impulse converter to control the magnet of the pressure roller.
Patent DE-2135394-A1 (DE)
Title: Ready mixed creamed potato powder - milk powder mixed with potato powder
Inventor: BUSER RITA
IPC: A23L19/15
Filed: 1971-07-15
Abstract: Creamed mashed potatoes can be made if only potato powder, but not milk, is available. About 25 pts by wt of milk powder are added to 200 pts by wt of potato powder to make the commercial prod. The usual flavouring materials and/or colouring matter can be added.
Patent DE-2138179-A1 (DE)
Title: Esterified rhodamine dye mfr - by reaction of rhodamine bases with dialkyl sulphates in oxygen-contg solvents
Inventor: SCHMEIDL KARL DR
IPC: C09B11/24
Filed: 1971-07-30
Abstract: Esterified rhodamine dyes of formula: (in which R, R2, R4 and R7 are methyl or ethyl; R1 and R3 are H, methyl or ethyl; R5 and R6 are H or methyl), are prepd. by reaction of bases of formula: with di(m)ethyl sulphate in water-miscible solvents contg. oxygen, the solvent is prefd. being a glycol and/or glycol ether. The reaction can be carried out at very high dye concns. and esterification is so complete that purification of the soln. obtd. is unnecessary. The solns. are suitable for dyeing paper.
Patent DE-2141645-A1 (DE)
Title: Abrasive - produced by treating molten mixt contg alumina - and zirconia with oxidising agents
IPC: C04B35/653
Filed: 1971-08-19
Abstract: Mixt. contg. Al2O3 and ZrO2 is treated with gaseous oxidising agents while in molten condition, to form a tough abrasive. Wt. ratio Al2O3:ZrO2 is opt., but composns. esp. contain 10 - 50, advantageously 15 -45 and partic. 20 - 30 wt. % ZrO2. O2 or O2-enriched air are pref. oxidising agents used and are pref. blown on, more pref. distributed through a ring nozzle, on to cast melt, pref. as a jet cast under strong press.
Patent DE-2144260-A1 (DE)
Title: Colour picture tube - having reduced area phosphor dots for improved contrast
Inventor: KAWAMURA TAKAO
IPC: H01J9/227
Filed: 1971-09-03
Abstract: Phosphor dots are formed on the screen of a colour picture tube by (a) applying photosensitive material to the screen, (b) exposing through a shadow mask, (c) removing unexposed portions, (d) shrinking the dots of exposed material to reduce their areas, (e) applying a nonluminous coating over the entire area, (f) removing the shrunken spots and overlying nonluminous material, leaving areas of the screen exposed, (g) applying phosphor over the entire area, (h) applying a photosensitive layer (j) exposing through the shadow mask and (k) removing unexposed portions, leaving phosphor dots on the screen and partly overlying the nonluminous coating. Viewed from the front, phosphor dots are smaller than the area of the electron beam, resulting in high-contrast image.
Patent DE-2145418-A1 (DE)
Title: Arylazo-thiocarbonic acid amide derivs - with acaricidal fungitoxic and bacteriotoxic props
Inventor: SASSE KLAUS DR
IPC: C07C325/00
Filed: 1971-09-10
Abstract: Title derivs. of formula (I) (where X is Cl, Br, CH3 or CF3, n is 0, 1, 2 or 3, and R and R' are 1-4C alkyl or NRR' is a 5- or 6-membered ring which can also contain O as a ring member) which are partic. useful for combatting rice disease, are prepd. by treating a cpd. of formula (II) with an oxidising agent at 5-100 degrees C.
Patent DE-2152829-A1 (DE)
Title: Synthetic leather - comprising a porous layer of polyurethane or polyurethane-polyurea that is permeable to and absorbs water
Inventor: DOROGI STEFAN DIPL CHEM DR
IPC: D06N3/00
Filed: 1971-10-22
Abstract: Air and water-absorptive and permeable artificial leather comprises a porous layer of polyurethane and/or polyurethane/polyurea which is insoluble in water, but soluble in mixts. of aromatic hydrocarbons and alcohols. The material consists of spherical particles aggregated by partial melting and non-interlaced, incorporating pores and cavities of various shapes and sizes so that they pass from one surface to the other and form a network passing throughout the whole vol. of the layer.
Patent DE-2157040-A1 (DE)
Title: 4-amino-3,5-dihalophenylethanolamines prepn - by hydrolysis of 5-(4-amino-3,5-dihalo-phenyl)-2-oxazolidones
Inventor: KECK JOHANNES DR DIPL CHEM
IPC: A61P25/04
Filed: 1971-11-17
Abstract: Cpds. of formula (I): (where Hal is Cl or Br and R is H or 1-5C alkyl) and their physiologically tolerable acid addn. salts, which have pharmacological (e.g. analgesic or broncholytic) props., are prepd. by subjecting novel oxazolidones of formula (II): (obtd. by chlorination or bromination of corresp. cpds. lacking Hal) to acidic or alkaline hydrolysis and opt. converting the product into an acid addn. salt with an organic or inorganic acid.
Patent DE-2200069-A1 (DE)
Title: Foam concrete prodn - using methyl cellulose and surfactant
Inventor: FUKUDA AOI
IPC: C04B28/02
Filed: 1972-01-03
Abstract: A foaming agent comprising an aqs. soln. of a mixture of methyl cellulose contg. 26-33 wt.% methoxy radical or its deriv. a fatty acid diethanol amide, and a sodium alkyl aryl sulphonate having 10-16C alkyl, is formed into a foam mass and mixed with an aqs. mixture of cement material. Pref. the alkyl in sulphonate has 12-14C. The wt. of sulphonate is pref. twice that of amide. The pref. fatty acid of the amide is palm oil.
Patent DE-2200964-A1 (DE)
Title: Crosslinked polymer tube prodn - esp for multi-tube pneumatic control cables
Inventor: SCHMIDTCHEN HANS-MARTIN
IPC: B29C48/09
Filed: 1972-01-10
Abstract: After leaving the extrusion nozzle proper but while still in the extruder head, the tubing is brought up to crosslinking temp. by a supplementary heater and then passes into a holding zone where it is maintained at that temp. esp. 160-200 degrees C. and in a low pressure esp. 0.1-0.6 atm. protective gas atmos. while it is passed through a gauging assembly consisting of short lengths of perforated pipe joining die plates of low friction material esp. PTFE.
Patent DE-2209564-A1 (DE)
Title: Deodorising waste gases contg mercaptans - by passing over supported oxidising compsns
Inventor: QUILLMANN HEINRICH
IPC: B01D53/34
Filed: 1972-02-29
Abstract: Intermittently occurring waste gas streams contg. low concncs. of e.g. outgoing air from animal corpse processing plants are rendered odourless and purified by passing over a deodorising compsn. consisting of an oxidising agent, (I), esp. a permanganate, CrO3, chromate, dichromate, chlorate and/or peroxide, supported on an inert carrier esp. eta, gamma-Al oxide, Sio2, Al silicates, e.g. mullite and petalite, TiO2, montmorillonite, sillimanite, corundum, porcelain and corresp. inorg. inert materials, at a temp. below decompsn. temp of (I), for 0.1-10 secs. Pref. gas-streams are passed over an adsorbent, e.g. activated C, before passing over (I). Used include fish meal factories, soap plants, animal carcass utilisation plants, sewage works, gelatine factories, fat decompsn. plant, slaughterhouses, intensive animal rearing, ranch fur animal farms and dung drying plant, giving off org. S compounds, opt contg. keto gps. and/or N.
Patent DE-2209944-A1 (DE)
Title: Burrs prodn - from thermoplastic studs -shaved by steeply pitched blade to curl ends
Inventor: STOEHR ARNO
IPC: B29C48/09
Filed: 1972-03-02
Abstract: Designed for hair roller or similar applications, the radiating studs from the still-malleable thermoplastic material are shaved as they emerge from the extrusion press, the steep pitch and diagonal of the cutting blade inducing a curling effect to the ends. The studs are further shaved by a second blade to give the required product burr formation on the tubular extrusion in the form of a hair roller in a single stage process.
Patent DE-2235019-A1 (DE)
Title: Multilayer insole - moulded in one stage using female die with low heat conductivity
Inventor: NIJS HUBERTUS ADRIANUS JOHANNE
IPC: B29C43/20
Filed: 1972-07-17
Abstract: Covered insole has a vulcanised rubber footbed as core, a cover which has a degradation temp equal to or lower than the vulcanisation temp of the rubber mixt., over the upper and side edges of the footbed, and opt. a resilient inter. layer in a single stage using a female die produced from a material with such a heat conductivity that the temp of the die during moulding is not higher than the degradation temp. of the cover material. Cheaper and less time consuming than bonding of the components with adhesive.
Patent DE-2239860-A1 (DE)
Title: Continuous rod/tube casting - in bent steel strip sheath pulled by endless clamp conveyor through quenching tank
Inventor: SCHATZ FRIEDRICH
IPC: B22D11/06
Filed: 1972-08-12
Abstract: In a continuous casting process for metal rods (copper wire) the liquid metal is poured into a steel strip which is being formed into a tube with radially protruding flanged edges. The tube is held closed as an endless clamping conveyor pulls it through a quenching tank. On leaving the tank, the tube is peeled off, the inner metal strand is scraped smooth and wound up on a storage drum.
Patent DE-2244378-A1 (DE)
Title: Rinsing compsns. for automatic dish washers - contg alkyl polyhydroxy alkylamines as active drainage ingredient, non-ionic surfactants, opt organic acids water and opt alcohols
Inventor: ECKERT HANS-WERNER DR DIPL CHE
IPC: C11D1/42
Filed: 1972-09-09
Abstract: Clear rinsing compsns. with improved drainage activity contain, in addn, to other standard components, 0.05-45 (0.1-10) wt.% of an alkylpolyhydroxyalkylamine having the general formula (I): R-N(CH2CH2OH)-(CH2)n-N(CH2CH2OH)-CH2-(CHOH)m-CH2OH (where R is 8-22C alkyl, m is 3 or 4 and n is integer 2 to 6, pref. where n = 3 and m = 4). Drainage effect is good for plastic as well as china and pottery dishes. Compsns. pref. contain, by wt., 10-45% non-ionic surfactants (A) such as 8-20C-alkyl polyglycol ethers, 8-14C-alkyl phenol polyglycol ethers having 3-30 ethylene- and/or 5-30 propylene glycol ether gps. or ethoxylated polypropylene glycols, "Pluronics" (RTM); 0.05-45% (I), 0-40% organic carboxylic acids, e.g. citric, tartaric, malic, or lactic acids and 20-60% water opt. mixed with lower aliphatic alcohols. Ration (A) : (I) is 2 : 1 to 1 : 2.
Patent DE-2246113-A1 (DE)
Title: Centrifugal sludge separator - with rotary skimmer disc to reduce energy losses
Inventor: HYLANDER OSCAR BOERJE DIPL ING
IPC: B04B1/20
Filed: 1972-09-20
Abstract: The disc is close to and parallel to the broad end of the tapered outer drum of the centrifuge and the separated liquid is picked off a relatively long way from the central axis whilst the slude is forced down to the narrow end of the drum by an independently driven worm, to outlets close to the axis. To reduce viscous friction at the mouth of the skimmer disc it is driven in the same direction as the drum but at a slower angular velocity so avoiding loss of kinetic energy by the liquid.
Patent DE-2247102-A1 (DE)
Title: Flame-retardant polystyrene foams prodn - by adding halogenated aromatic aliphatic ether
Inventor: JENKNER HERBERT DR
IPC: C08K5/06
Filed: 1972-09-26
Abstract: Process comprises adding to a foamable compsn. mainly or completely comprising polystyrene an aromaticaliphatic ether (I) which is substd. in the aromatic nucleus by Cl and in the aliphatic residue by Cl or Br. (I) are effective as 0.3-10 esp. 1-3 wt.% (based on compsn.), of nuclear Br. substd. cpds. requiring 1.5 wt.% compsn. Br content and/or a peroxide synergist. They do not affect foaming, foam structure or props of prod. Pref. are mono- to pentachlorophenyl-dibromopropyl ethers.