baber/WOPTO huggingface dataset:
Patent EP-0325683-A3 (EP)
Title: Large sized underground storage tank with structural stability provided by the interaction between the metal shell, the static concrete facing and the filling in the hollow between these two surfaces
IPC: B65D88/76
Filed: 1988-06-27
Abstract: The large-sized underground storage tank is consisting of a metal shell (1), a static facing in reinforced or unreinforced concrete (2) and filling material (4) packed in the hollow space between the two above mentioned surfaced; this filling is consisting of blown bitumen having plasticity properties which provide a stress resisting interaction between the tank shell and its static facing, thus greatly improving the stability of the overall tank structure; hence the possibility to reduce the design strength parameters and to cut the cost of the final product.
Patent EP-0304046-A3 (EP)
Title: A method of stripping a resist mask
IPC: H01L21/3065
Filed: 1988-08-18
Abstract: In a downstream ashing apparatus for removing a used 
organic resist on a silicon semiconductor wafer, according 
to the present invention, water vapor is 
added into an oxygen plasma gas generated by a microwave 
power. The addition of the water vapor lowers an 
activation energy of the ashing reaction, and increases 
reactive species generated in the plasma, accordingly the 
ashing rate is increased even at as low as 150 °C of the 
wafer temperature. The addition of water vapor increases 
the ashing rate for a wide range of water content, such as 
from 5 to 80 %, allowing an easy control of the process. 
The lowered operating temperature prevents contamination of 
the semiconductor wafer. Nonuse of CF₄ protects the SiO₂ 
layer from being undesirably etched, resulting in 
prevention of deteriorating the semiconductor 
characteristics.
Patent EP-0314968-A3 (EP)
Title: Overlapped multiple-bit scanning multiplication system with banded partial product matrix
IPC: G06F7/533
Filed: 1988-10-17
Abstract: A multi-bit overlapped scanning multiplication system 
assembles modified partial products in a reduced, 
non-rectangular banded matrix. The rows of the matrix 
except for the first and last, are extended with bands 
of encoded extensions of limited length at the right 
and left ends of the partial product terms. The width 
of the significant bits of each partial product term is 
equal to q-1+S-2, where q is the width of the 
significant bits plus sign of the multiplicand and S is 
the number of bits which are overlapped scanned. Each 
partial product term is shifted S-1 bits from adjacent 
terms and is banded by encoded extensions to the terms. 
S-1 bits of encode are placed to the right of every 
terms except the last, the encode being based on the 
sign of the next partial product term; and S-1 bits of 
encoded sign extension are placed to the left of every 
term except the first, which has no sign extension, and 
last, to the left of which is placed an S bit encode. 
The bits of negative partial product terms are inverted, 
and a "hot 1" is encoded in the right extension in the 
previous row. The first bit of the multiplier is 
forced to zero so that the first partial product term 
is always positive or zero. Carry save adder trees are 
used to reduce each column of the matrix to two terms. 
When inputs to a carry save adder are known, the logic 
of the carry save adder is simplified to save chip 
space.
Patent EP-0317907-A3 (EP)
Title: Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers
IPC: C07C323/20
Filed: 1988-11-18
Abstract: Aromatic compounds, such as benzene or biphenyl, are alkylated with an alkylating agent, such as propylene, in the presence of an acidic mordenite zeolite catalyst under conditions sufficient to produce a mixture of substituted polycyclic aromatic compounds enriched in the para alkylated isomers, such as p-diisopropyl-benzene or p,p min -di(isopropyl)biphenyl, respectively. The novel acidic mordenite catalyst is characterized by its silica/alumina molar ratio, its porosity, and Symmetry Index. The p,p min -disubstituted isomers of aromatic compounds are useful as monomers in the preparation of thermotropic, liquid crystal polymers.
Patent EP-0321880-A3 (EP)
IPC: B21K1/30
Filed: 1988-12-16
Abstract: Beim Schmieden von Zahnrädern aus massivem Metall be­
steht die Schwierigkeit, daß durch Reibung des Roh­
lingsmaterials an der Matrize die axialen Endbereiche 
des Zahnrades nicht vollständig ausgeformt werden, so 
daß die Tragfähigkeit der Zähne in den Endbereichen 
begrenzt ist.  
     Der Erfindung liegt die Aufgabe zugrunde, ein Schmiede­
verfahren anzugeben, mit dem in einem einstufigen Her­
stellungsprozeß Zahnräder mit hoher Tragfähigkeit der 
Zähne hergestellt werden können.  
     Bei dem erfindungsgemäßen Verfahren tauchen von beiden 
Seiten her Preßstempel (20,23) in die Matrize (12) ein, 
so daß der Rohling (27) von entgegengesetzten Seiten 
her verformt wird. Dadurch tritt ein Materialfluß auch 
in die Endbereiche der Verzahnungsgravur (13) ein. Bei 
einer einfachwirkenden Presse ist die Matrize (12) ver­
tikal verschiebbar angeordnet und der eine Preßstempel 
(20) ist beim Preßvorgang feststehend. Es können Zahn­
räder mit und ohne Mittelloch in einem einzigen Arbeits­
schritt hergestellt werden.
Patent EP-0322923-A3 (EP)
Title: Connecting rod mechanism for an insulated wall construction
IPC: E04B1/41
Filed: 1988-12-30
Abstract: A plastic shear connector (16) for forming an insulated wall having an improved fiber composite or plastic shear connector which is used to form a composite wall formed of an insulating sheet (14) and one or more concrete layers (13) wherein the shear connectors (16) are formed with tapered ends (25, 30) and have a holding portion injection molded and mounted on the center portion (17) of the shear connector (16) and which is inserted through the insulating board (14) as the composite wall is formed.
Patent EP-0311391-A3 (EP)
Title: New process for preparing an octapeptide
IPC: C07K1/02
Filed: 1988-10-06
Abstract: An octapeptide, endowed with thymic humoral activity, of the formula (A):  H-Leu-Glu-Asp-Gly-Pro-Lys-Phe-Leu-OH and pharmaceutically acceptable salts thereof are prepared by condensing a compound of the formula (B)    X-Leu-G @u-A@p-Gly-K wherein X is an amino protecting group, Y and Y min  are each optional and each independently represents a carboxy protecting group and K is a hydroxy or hydrazido group, with a compound of formula (C):    H-Pro-L @s-Phe-Leu-Q      (C) wherein W is an amino protecting group and Q represents a carboxy protecting group or a hydroxy group deprotecting the resultant compound of the formula (D)    X-Leu-G @u-A@p-Gly-Pro-L @s-Phe-Leu-Q      (D) wherein X,Y,Y min ,W and Q are as defined above; and, if desired, converting the resulting peptide of formula (A) into a pharmaceutically acceptable salt thereof.
Patent EP-0318251-A3 (EP)
Title: Compositions for the production of magnets and magnets produced therefrom
IPC: B29C48/06
Filed: 1988-11-23
Abstract: A composition from which a bonded magnet may be 
produced and which comprises a mixture of a cross­
linkable organic material and a particulate magnetic 
material, and optionally and additive which is capable of 
effecting cross-linking of the organic material to 
produce a cross linked resin, in which the composition 
comprises at least 50% by volume of particulate magnetic 
material, the composition being extrudable through a 
capillary rheometer, and the composition having a 
viscosity of not more thn 6000 poise at a shear rate of 
1100 sec⁻¹ when the organic material is in a liquid state 
and the composition is extruded through the capillary 
rheometer. Also a bonded magnet produced from the 
composition.
Patent EP-0321146-A3 (EP)
Title: Apparatus and method for sensing acoustic reflections
IPC: G01V1/00
Filed: 1988-12-08
Abstract: An ultrasonic ice presence detector includes a 
transmit/receive piezoelectric sensor (10) coupled to 
one end of an acoustic delay line in the form of a rod 
(20) with the other end (26) of the rod co-aligned with 
the surface of an aerofoil (18). The transducer is 
excited by an electrical pulse to transmit an 
ultrasonic pulse along the rod to the sensing surface 
(26) as a function of the acoustic impedance at the 
sensing surface/air interface. When ice accumulates on 
the sensing surface, the acoustic impedance at the 
interface is altered to change the magnitude of the 
reflected energy. An acoustic discontinuity (30) of 
known characteristics is provided in the acoustic delay 
line (20) so that the magnitude of a first reflected 
pulse of known characteristics is sensed by the 
transducer and compared with the magnitude of a second, 
following pulse representative of the acoustic 
impedance at the sensing surface (26), thereby enabling 
self-calibration of the system during each cycle so 
that sensing is independent of various error sources in 
the system.
Patent EP-0298036-A3 (EP)
IPC: C08L97/02
Filed: 1988-06-24
Abstract: Urea-formaldehyde resins which may be cured to give products 
having a low total extractable formaldehyde content are prepared 
by the following process: 
   (i) an aqueous solution containing more than 50% formaldehyde 
and urea are mixed in a formaldehyde:urea molar ratio of 2-3:1 
at pH 6-11,    (ii) this mixture is heated to at least 80°C,    (iii) a mineral or organic acid is added to bring the 
mixture to pH 0.5-3.5,    (iv) the mixture is heated at a temperature between 
80°C and the reflux temperature, preferably for 15 minutes to 1 
hour,    (v) keeping the temperature at or above 80°C, a base is 
added to bring the mixture to pH 6.5-9 and    (vi) urea is added to the mixture at a temperature up to 
45°C until the formaldehyde:urea ratio is within the range 
0.8-1.8:1.     
     In a modification of the process, solid particulate resins 
are obtained by reacting the mixture from step (v) with urea at a 
pH below 7 to increase the viscosity thereof, adding a base until 
the mixture reaches a pH of 6.5-9 and dehydrating the resulting 
mixture.
Patent EP-0329954-A3 (EP)
IPC: C04B37/02
Filed: 1989-01-23
Abstract: Disclosed is a brazed implement comprising a thermally-stable 
polycrystalline diamond compact, e.g. a compact of self-bonded diamond 
particles having a network of inter-connected empty pores dispersed 
throughout the compact, bonded to another of said compact or bonded to a 
cemented carbide support by a brazing filler metal disposed therebetween. 
The brazing metal comprises an alloy having a liquidus above about 700°C 
and containing an effective amount of chromium. Translational shear 
strengths exceed about 50 kpsi even upon furnace cycling of the brazed 
implements and often exceed 90 kpsi. The method for fabricating the 
brazed implement also is disclosed.
Patent EP-0333993-A3 (EP)
IPC: B60J1/10
Filed: 1989-01-24
Abstract: Eine feststehende Fensteranordnung an einer Kraftfahrzeugtür, 
insbesondere ein Dreiecksfenster, ist unter Zwischenschaltung einer 
Dichtung mit einem aufrecht verlaufenden Haltesteg verbunden, wobei 
am unteren Randbereich des Fensters eine Halteschiene angebracht ist.  
     Das Fenster, die Halteschiene, die Dichtung, der Haltesteg und 
ein oberes Endstück für den Haltesteg sind zu einer einbaufertigen 
Einheit vorgefertigt, die in einem einzigen Arbeitsgang hergestellt wird.
Patent EP-0326945-A3 (EP)
IPC: G01N21/21
Filed: 1989-01-26
Abstract: Eine optische Oberflächeninspektionsvorrichtung weist eine 
Lichtquelle (24), ein Spiegelrad (16) und einen das von 
einer Oberfläche (18) reflektierte Licht empfangenden Foto­
empfänger (17) auf. In den Sende- und/oder Empfangsstrahlen­
gang (12, 13) ist ein sich optisch nur über eine Teilstrecke 
(19) des Abtastbereiches (11) erstreckendes, den Polarisa­
tionszustand des auftreffenden Lichtes veränderndes Plätt­
chen (14) einbringbar. Die mit der Lichtablenkvorrichtung 
(16) synchronisierte Auswerteelektronik (15) unterscheidet 
das elektrische Empfangssignal am Fotoempfänger (17) wahrend 
der Phasen, wo das Licht durch das Plättchen (14) hindurch­
geht, und der Phasen, wo das Licht nicht durch das Plättchen 
(14) hindurchgeht.
Patent EP-0330017-A3 (EP)
IPC: A23K20/137
Filed: 1989-02-09
Abstract: Die Erfindung betrifft die Verwendung der Thiazole der Formel 
  
in der  
R₁ ein Halogenatom, eine Alkylgruppe oder eine Trifluor­
methylgruppe,  
R₃ ein Wasserstoffatom oder R₃ und R₄ zusammen eine 
Ethylengruppe oder eine Alkoxycarbonyl-methylengruppe,  
R₄ ein Wasserstoffatom oder eine gegebenenfalls in 2- oder 
3-Stellung durch eine Hydroxygruppe substituierte Alkylgrup­
pe und  
R₅ eine durch eine Carboxy-, Alkoxycarbonyl-, Aminocarbon­
yl-, Alkylaminocarbonyl-, Hydroxymethyl-, Alkoxymethyl-, 
Aminomethyl- oder Alkylaminomethylgruppe substituierte Meth­
oxygruppe, eine 2-Carboxy-1-methyl-ethenyl- oder 2-Alkoxy­
carbonyl-1-methyl-ethenylgruppe bedeuten, deren optische 
Isomere und deren Diastereomere sowie deren Säureadditions­
salze als leistungsfördernde Mittel bei Tieren.
Patent EP-0333212-A3 (EP)
Title: Nonwoven elastomeric web and method of forming the same
IPC: D04H1/46
Filed: 1989-03-17
Abstract: A composite nonwoven elastomeric web material, and method of forming such material, as well as a nonwoven elastomeric web material and method of forming such material, are disclosed. The composite web material is provided by hydraulically entangling a laminate of at least (1) a layer of meltblown fibers; and (2) at least one further layer, preferably of at least one of pulp fibers, staple fibers, meltblown fibers, and continuous filaments, with or without particulate material, with at least one of the layer of meltblown fibers and the further layer being elastic so as to form an elastic web material after hydraulic entanglement. The nonwoven elastomeric web material is provided by hydraulically entangling a layer of meltblown elastomeric fibers. The material formed can be cloth-like with smooth surfaces, and with isotropic elasticity and strength. Different texture properties, including a corrugated stretchable fabric, can be provided by pre-stretching and then hydraulically entangling while stretched.
Patent EP-0334340-A3 (EP)
Title: Optically switching ferroelectric liquid crystal light valve
IPC: G11B7/135
Filed: 1989-03-22
Abstract: A liquid crystal light valve cell has two optically 
different states switchable therebetween by bias voltage 
in response to incident light. A ferroelectric liquid 
crystal layer (14) is sandwiched by a pair of front and rear 
alignment layers (13a, b) to establish the two bistable states in 
the ferroelectric liquid crystal layer. A front 
electrode layer (12b) is disposed on the front alignment layer (13b). 
An optically reflecting layer (17) is disposed on the rear 
alignment layer (13a). A photo-conductive layer (15) is disposed on 
the reflecting layer (17) and responsive to the incident light 
incident from the rear face of cell to increase its 
electroconductivity. A rear electrode layer (12a) is disposed 
on the photo-conductive layer (15) in cooperation with the 
front electrode layer (12b) to apply the bias voltage between 
the multi-layer structure including the liquid crystal 
layer (14) and the photo-conductive layer (15) such that effective 
bias voltage is applied across the liquid crystal layer 
through the increased electroconductive region of 
photo-conductive layer to thereby effect the switching 
between the two bistable states. The multi-layer 
structure is sandwiched by a pair of front and rear 
transparent substrates (11a, b) to construct the liquid crystal 
light valve cell.
Patent EP-0351693-A3 (EP)
IPC: B01F15/00
Filed: 1989-07-11
Abstract: Die Erfindung betrifft eine Rühr- und/oder Knetmaschine (1) 
mit zumindest einem sich um seine eigene Achse drehenden 
Rühr- und/oder Knetwerkzeug (6) die eine durchgehende, unge­
teilte Werkzeug-Welle (18) aufweist, wobei der Produktbe­
reich (3) vom Antriebsbereich (2) der Rühr- und/oder Knet­
maschine (1) im Bereich der Werkzeug-Welle (18) durch eine 
an der Werkzeug-Welle (18) angreifende Dichtung (19) abge­
dichtet ist. Die Erfindung sieht dabei vor, daß die Werk­
zeug-Welle (18) in einer drehbar gelagerten Hohlwelle (20) 
drehfest und lösbar gehalten ist, daß alle für die Welle 
(18) vorgesehenen Antriebs- und/oder Abtriebsräder (13, 
16, 17) sowie alle Lager (21) an der Hohlwelle (20) an­
greifen, und daß die Hohlwelle (20) auf ihrer zum Produkt­
bereich (3) weisenden Seite vor der den Antriebsbereich 
(2) vom Produktbereich (3) trennenden Wellen-Dichtung (19) 
endet. Trotz der durchgehenden, ungeteilten Werkzeug-­
Welle (18) braucht das für den Wellen-Antrieb vorgesehene 
Getriebe (7) nicht vollständig ausgebaut und zerlegt wer­
den, wenn beispielsweise die Wellen-Dichtung (19) oder 
die am Werkzeug (6) etwa fest verschweißten Schaufeln 
(4) ausgetauscht werden müssen. Vielmehr kann bei der er­
findungsgemäßen Knetmaschine (1) die Werkzeug-Welle (18) 
aus ihrer Hohlwelle (20) schnell, bequem und mit einfachen 
Hilfsmitteln aus- oder eingebaut werden. Dadurch sind 
kürzere Stillstandszeiten möglich .
Patent EP-0354498-A3 (EP)
Title: Reactive fusible glue
IPC: C09J163/00
Filed: 1989-08-05
Abstract: A reactive hot-melt adhesive is described, which contains a resin component, at least one thermally activatable latent curing agent for the resin component and optionally accelerators, fillers, thixotropic agents and further conventional additives. The adhesive is characterized in that the resin component is obtainable by reacting a) an epoxy resin solid at room temperature and b) an epoxy resin liquid at room temperature with c) a linear polyoxypropylene having amino terminal groups, in which the epoxy resins a) and b) are used in such a quantity, based on the polyoxypropylene with amino terminal groups, that an excess of epoxy groups, based on the amino groups, is ensured.
Patent EP-0356777-A3 (EP)
Title: Self-adhesive article
IPC: C09J7/38
Filed: 1989-08-10
Abstract: Self-adhesive article to be permanently bonded, comprising a substrate and a self-adhesive composition with an adhesive strength on steel of greater than 2.0 N/cm (peel adhesion test), characterised in that a) 6-20 g/m<2> of the self-adhesive composition are on the substrate, b) the self-adhesive composition covers 35-95 % of the area of the substrate, c) the self-adhesive composition covers 30-90 % of the area of the substrate with an adhesive-active effect for smooth surfaces, and d) the self-adhesive composition is on the substrate in the form of discontinuous segments.
Patent EP-0362551-A3 (EP)
IPC: F22B35/00
Filed: 1989-08-30
Abstract: To maintain a constant regulating variable, particularly of the bed temperature of a fluidized-bed combustion plant, a regulating element (24) is used which is arranged in a feed line (20) for feeding fluidization air to a syphon (15), via which solid matter separated from the flue gas of the fluidized-bed combustion plant is fed back into the fluidized bed (5). The actuating drive (23) of the regulating element (24) is coupled to a temperature sensor (27) arranged in the fluidized bed (5), in such a manner that the quantity of fluidizing air is increased when the measured bed temperature exceeds a predetermined value. The quantity of fluidizing air is reduced when the measured bed temperature drops below the predetermined value. 
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Patent EP-0363879-A3 (EP)
Title: Proteinaceous composition
IPC: A23L27/00
Filed: 1989-10-09
Abstract: In order to facilitate the administration of an unpalatable material, e.g. free amino-acids, to a subject in need thereof, e.g. a phenylketonuric subject, an edible composition comprises the unpalatable material, dried or candied fruit, a gelling agent and a flavor.
Patent EP-0370311-A3 (EP)
Title: Chemical vapor deposition system and reactant delivery section therefor
IPC: C23C16/44
Filed: 1989-11-08
Abstract: A chemical vapor deposition (CVD) system (100) compares the mass 
flow rates of a gas stream before and after reactant is 
transported by a carrier gas to determine the mass flow rate of 
reactant into a reaction chamber (102). This determination is used 
to control the carrier mass flow rate, which in turn permits 
regulation of the reactant mass flow rate. The CVD system (100) 
includes the reaction chamber (102), a delivery section (104) 
which delivers the reactant gas to the chamber (102), a heat 
source (106) for providing heat to the reaction chamber (102) to 
facilitate deposition on a wafer (99), an effluent handling system 
(108), which evacuates spent reactant from the reactant chamber 
(102), and a controller (110) which coordinates these components. 
Carrier gas is transported to and through an ampule (134) 
containing a liquid source (136) for the reactant gas, which is 
mixed with the carrier gas to form a combined gas.  
     The delivery system (104) includes sensors (114, 116) to measure 
the mass flow rates of the carrier gas before entry into the 
ampule (134) and of the combined gas on route to the reaction 
chamber (102). The mass flow mesurements are used by the 
controller (110) to control a valve (118) to regulate the mass 
flow rate of carrier gas into the ampule (134) thus controlling 
the mass flow rate of reactant out of the ampule (134) and into 
the reaction chamber (102). The controller (110) also regulates 
the removal of spent gases from the reaction chamber (102) by the 
effluent handling system (108) so that constant pressure is 
maintained with the reaction chamber (102). This ensures the 
stability of the delivery system control loop defined above.
Patent EP-0374930-A3 (EP)
IPC: D21H21/40
Filed: 1989-12-21
Abstract: The present invention provides a waterproof recording 
material having ground patterns characterized in that the 
ground patterns are imparted to the surface of a film of a 
resin composition comprising a thermoplastic synthetic resin 
and a filler. According to this invention, it is possible 
to provide a fine-looking recording material which, besides 
excellent waterproofness and recording property, may have 
various stages of surface properties and visual effects 
imparted by means of the ground patterns. The waterproof 
recording material having ground patterns of the present 
invention is suitable as a material of valuable securities 
and the like, facilitating true/false discrimination and 
preventing illegal use or abuse thereof by altering, 
falsification et cetera.
Patent EP-0384075-A3 (EP)
Title: Rocker joint for chain
IPC: F16G13/06
Filed: 1989-12-01
Abstract: An improved rocker joint for a chain in which each pin of a 
pair of pins (16,18) is substantially identical in cross-sectional shape. 
Each pin (16,18) has a front and working surface (34) defined by a first 
radius and a back surface (38) defined by a single and smaller radius. 
Planar surfaces diverging from front to back join the front and 
back surfaces of the pins. The links are provided with openings 
to receive the pins, each opening being generally circular and 
having inwardly directed lugs (44), the lugs (44) defining a first arc 
and a second and larger arc. One of the pins of the rocker joint is 
held against rotation in some of the links with its back surface 
contacting the smaller arc and also the walls of the defining 
lugs.
Patent EP-0333643-A3 (EP)
IPC: C08K5/22
Filed: 1989-02-02
Abstract: Ein Gemisch aus einem phenolischen Antioxidans und einem Metall­
desaktivator, insbesondere einem Hydrazinderivat, eignet sich zum 
Stabilisieren von schlagfestem Polystyrol, Acrylnitril-Butadien-Styrol-­
Copolymer (ABS) oder carboxyliertem Styrol-Butadien-Elastomer, wobei 
Polyphenylenharzmassen, die Polystyrol enthalten, ausgeschlossen sind.