baber/WOPTO huggingface dataset:
Patent EP-0363922-A3 (EP)
Title: The process for the preparation of 3,3',4,4'-biphenyltetracarboxylic acid and its derivatives
IPC: C07C63/331
Filed: 1989-10-11
Abstract: Biphenyl tetracarboxylic acid esters and derivatives thereof are 
prepared by the coupling reaction of 4-halogen substituted 
o-benzenedicarboxylic acid ester, carried out in an aprotic polar solvent in 
the presence of a pre-prepared triphenylphosphine-nickel chloride or 
trialkylphosphine-nickel chloride catalyst, zinc powder as the reducing 
agent, and an alkali metal halide promoting agent. The ester may be 
hydrolyzed in basic solution to afford the corresponding acid. The acid may 
be heated or boiled with acetic anhydride to afford the biphenyl 
dianhydride.
Patent EP-0371285-A3 (EP)
Title: Smoking article
IPC: A24F42/10
Filed: 1989-11-07
Abstract: A cigarette (10) provides tobacco flavor by heating 
tobacco (16), but not burning tobacco or any other material. 
A heat source (35) which includes a metal oxide (eg., 
calcium oxide), an anhydrous metal sulfate (eg., 
magnesium sulfate), an inorganic salt and a sugar, 
generates heat upon contact of water therewith. The 
heat produced by the heat source heats tobacco in a 
heat exchange relationship therewith. Flavors 
volatilize from the tobacco and are drawn into the 
mouth of the user of the cigarette. Typical heat 
sources heat the tobacco to a temperature within 70°C 
to 200°C for 4 to 8 minutes.
Patent EP-0374936-A3 (EP)
Title: Nonvolatile semiconductor memory system
IPC: G11C16/04
Filed: 1989-12-22
Abstract: In a nonvolatile semiconductor memory system 
comprising a memory chip (11) and a battery (12) for 
driving the memory chip, the memory chip inlcudes a 
memory-cell matrix (13), a row decoder (14), a first 
level-shifting circuit (17) for shifting the level of 
the output of the row decoder, a column-selecting cir­
cuit (15), a column decoder (16), a second level-­
shifting circuit for shifting the level of the output of 
the column decoder (18), a sense amplifier (19), a third 
level-shifting circuit (20) for shifting the level of 
the data which is to be written into the memory-cell 
matrix, a voltage-booster circuit, a timer circuit (22), 
and an oscillator circuit (21). The nonvolatile 
semiconductor memory system operates stably when driven 
by a low voltage or by a voltage over a broad range.
Patent EP-0349302-A3 (EP)
Title: Method and apparatus for electronic payphone open switch interval management
IPC: H04M19/00
Filed: 1989-06-28
Abstract: Control apparatus for a line operated telephone is 
described. This control circuitry is designed to be primarily 
telephone line powered and to not employ a large capacitor for 
storing power to sustain the circuitry during open switch 
intervals in which the telephone line is not powered. Rather, 
the present circuitry includes a telephone line monitoring circuit 
for sensing a power down condition, a processing means such as a 
microprocessor with an associated power down program for storing 
process status at a time just prior to power down and for 
resetting the processing at the appropriate place upon power up, 
and low power state monitoring latches for monitoring important 
events, such as an on hook condition, coin collection and refund 
operations occurring during an open switch interval. In 
combination, a low power operation is achieved primarily utilizing 
a regularly interrupted source, the phone lines, and requiring 
only a small battery to power the low power monitoring state 
monitoring latches.
Patent EP-0352006-A3 (EP)
Title: Thermal transfer printing
IPC: B41M5/26
Filed: 1989-07-11
Abstract: A thermal transfer printing sheet comprising a substrate having a coating comprising a binder and a water insoluble dye of Formula I: <CHEM>  wherein;  R is the residue of an active methylene compound; X is hydrogen; halogen; optionally substituted alkyl; optionally substituted aryl or optionally substituted heteroaryl; Y is -S- or a group of the formula N - R<1> wherein R<1> represents hydrogen or an optionally substituted C1-4-alkyl; and  E is the residue of a coupling component. The dyes are suitable for use in dye diffusion thermal transfer printing of the type where a transfer sheet is placed in contact with the material to be printed and selectively heated in accordance with a pattern information signal whereby dye from the selectively heated regions of the transfer sheet is transferred to the material to be printed and forms a pattern thereon the shape and density of which is in accordance with the pattern and intensity of heat applied to the transfer sheet.
Patent EP-0363105-A3 (EP)
IPC: C12R1/36
Filed: 1989-09-29
Abstract: A composition including a sulfhydryl-­
containing reducing agent is stabilized for long term 
storage with a hydrophilic polymer. This composition 
can be combined with one or more reagents useful for 
extracting antigens from chlamydial or gonococcal 
organisms. The extracted antigen can be determined 
using immunological reactions and appropriate labeled 
reactants.
Patent EP-0376536-A3 (EP)
IPC: H01F1/00
Filed: 1989-12-12
Abstract: An ultra-thin metal-loaded polymer film on 
the order of about 500 Å to 1000 Å (50 nm to 100 nm) 
thick cannot be made using metal particles as the 
filler material, because even at their lowest values 
the sizes of the particles are greater than the film 
thickness. In the invention process, a metal-organic 
compound (MOC) is used in lieu of particles. An ori­
ented polymer/MOC film is prepared by dissolving both 
the polymer and the MOC sequentially in the same sol­
vent to obtain an emulsion consisting of a discontin­
uous phase of finite globules of the MOC solution 
dispersed in a continuous phase of the polymer solu­
tion, forming the emulsion into a film, and orienting 
the film, while the solvent evaporates, to attain a 
desired arrangement of the MOC phase in the film while 
the polymer crystallizes. Such films are useful in 
various applications, e.g., as dielectrics for capacitors.
Patent EP-0376693-A3 (EP)
IPC: C08J7/046
Filed: 1989-12-27
Abstract: There are disclosed a copolyester which comprises at 
least four components of: 
   (A) terephthalic acid and/or its ester forming derivative 
(terephthalic acid component) and isophthalic acid 
and/or its ester forming derivative (isophthalic acid 
component) with a molar ratio of 30/70 to 70/30;    (B) 5 to 15 mole % of a dicarboxylic acid having sulfonate 
group and/or its ester forming derivative based on 
the all dicarboxylic acid components;    (C) an alicyclic dicarboxylic acid and/or its ester 
forming derivative; and    (D) 50 mole % or more of ethylene glycol based on the 
all glycol components;    
and a polyester film which comprises a subbing layer 
containing the copolyester provided on at least one side 
of a polyester film base.
Patent EP-0349492-A3 (EP)
Title: Apparatus to make label-carrying seals and the like
IPC: G09F3/03
Filed: 1989-02-28
Abstract: The apparatus comprises a pulling unit (17) which, 
through a grasping member (18) picks a string (3) up, 
pulls it and lays it on a housing (32) where a cup (4) 
is inserted by means of a cup-feeding unit (31). A 
turnover unit (41) through a second grasping member (45) 
gets hold of the string (3) and turn it over around a 
support pin (50) putting the free end (3a) thereof inside 
the cup, into which cup a closure disk (5) is then 
introduced through a disk-feeding unit (54). Afterwards a 
seam folding group (59) folds the upper edge of the cup 
over the circumferential edge of the disk. 
Simultaneously, a hole cutting group (65) produces an 
access opening in a boss offered by the cup. Then a 
ferrule-feeding unit (37) locates a ferrule (11) under 
the work length of the string (3), on the opposite side 
with respect to the first end (3a) thereof, and the 
ferrule is fastened to the string (3) by a folding and 
cutting group (70) also carrying out the final cutting 
off of the string itself.
Patent EP-0399482-A3 (EP)
Title: Liver function testing apparatus
IPC: A61B5/1455
Filed: 1990-05-22
Abstract: In a liver function testing apparatus, light sources 
(11, 12) expose vital tissue (15) to first light of a 
wavelength absorbed by the specific dye dosed into blood 
of the vital tissue to be taken in and removed by the 
liver and second light of a wavelength not absorbed by the 
dye. Optical pulses obtained from the vital tissue are 
received by a light receiving element (13) and first and 
second outputs therefrom are sampled by an A-D converter 
(30) to be converted into digital signals. Pulsation 
components of the outputs of the received light are 
detected by high-pass filters (28', 28'') and amplifiers (29', 
29''). A coefficient of a linear regression expression 
between intensity values of the pulsation components, and 
a base value using the sampled first and second outputs of 
the received light are determined, whereby biocalibration 
is performed. A value correlated with specific dye 
concentration in the blood is calculated based on sampling 
outputs during a prescribed period and the determined 
coefficient base value after injection of the specific 
dye. Thus, a coefficient of a simulation function as a 
time function is obtained by using the method of least 
squares and a blood plasma disappearance rate and a 
retention rate are obtained on the basis of the 
coefficient of the simulation.
Patent EP-0400530-A3 (EP)
IPC: B23D47/04
Filed: 1990-05-28
Abstract: Die Erfindung betrifft eine Vorrichtung zum Ablängen von Schnitt­
gut mit mindestens einem Sägeblatt. Es soll eine bekannte Holzsä­
ge dieser Art, bei der die abzusägenden Scheiter von Hand einge­
legt und stückweise abgesägt werden müssen, derart weitergebil­
det werden, daß das Ablängen automatisch und mit kurzen Leerlauf­
zeiten erfolgt, wobei ein einfaches und gefahrloses Be­
schickungssystem zu schaffen ist. Dies wird dadurch erreicht, 
daß mindestens ein Zuführelement (12) auf einer Antriebswelle 
(14) umläuft und daß das im Zuführelement (12) gehaltene Schnitt­
gut (16) auf einer Kreisbahn (15) dem mindestens einem Sägeblatt 
(18; 20) zugeführt wird.
Patent EP-0400591-A3 (EP)
IPC: B01D53/86
Filed: 1990-05-30
Abstract: Trägergestützter Katalysator auf Basis von Übergangsmetallen 
zum Entfernen von Stickoxiden, Kohlenmonoxid und/oder 
organischen Verbindungen aus Abgasen, herstellbar durch 
   (a) Beladen eines Trägers mit wenigstens einer 
Metallkomplexverbindung mit einer ebenen oder nur wenig 
davon abweichenden Konformation und 
Aktivieren des beladenen Trägers mit 
   (i) einem Gasgemisch, das Stickoxid und/oder 
Sauerstoff enthält, bei Temperaturen zwischen 
Raumtemperatur und 500°C, oder mit    (ii) einer Lösung, die Salpetersäure und/oder ein 
Oxidationsmittel enthält; oder      (b) Beladen eines Träger mit wenigstens einem 
Übergangsmetalloxid oder -carbonat und 
Behandeln des beladenen Trägers mit einem oxidierenden 
Gasgemisch, das zur Komplexbildung befähigte freie 
Liganden enthält bei Temperaturen zwischen 
Raumtemperatur und 500°C; oder    (c) Behandeln wenigstens eines Übergangsmetalloxids oder 
-carbonats mit einer Lösung, die Salpetersäure und/oder 
ein Oxidationsmittel enthält und 
Beladen eines Trägers mit dem behandelten 
Übergangsmetalloxid oder -carbonat,    
sowie Verfahren zu seiner Herstellung und seine Verwendung 
zur Behandlung von Abgasen.
Patent EP-0415461-A3 (EP)
Title: Central processing unit supporting variable length instructions
IPC: G06F9/30
Filed: 1984-09-20
Abstract: A central processing unit for a digital computer. In one embodiment, the central processing unit comprises a plurality of pointer registers that may be used during instruction execution to directly address other registers. In a second embodiment, the central processing unit comprises a size register that is loaded during the decode of an operation code with a size code indicating the data path width for that operation code. During instruction execution, the size code may be used at various times to determine data path width.
Patent EP-0404290-A3 (EP)
Title: Computer keyboard function key guide
IPC: G06F3/02
Filed: 1990-01-03
Abstract: A computer software key guide holder (10, 
110, 210, 310, 410) includes an elongated multi-sided 
display member (16, 116, 216, 316, 416) within a 
support member (12, 112, 212, 312, 312) for 
positioning and retaining atop a computer keyboard 
(KB). The display member (16, 116, 216, 316, 416) is 
adapted to receive and display a plurality of 
software key guides (KG1-n) aligned with the function 
keys for indicating software functions available by 
depressing a combination of function keys (F1-12) and 
control keys (CK1-3). The software key guides (KG1-­
n) include templates made of thin material and having 
a plurality of columns (C1-12) associated with each 
function key and a plurality of rows (R1-4) 
associated with a control key and intersecting the 
columns (C1-12) providing individual boxes for 
marking the function thereon. The rows (R1-2) are of 
uniform color different from an adjacent row (R1-4) 
such that each box associated with a particular 
function key is of a different color.
Patent EP-0381354-A3 (EP)
Title: Radiation-curable aminoamide acrylate polymer
IPC: C08L77/00
Filed: 1990-01-23
Abstract: A radiation-curable resin useful as a hot melt 
adhesive is made by the Michael addition of the amino 
functional groups of an aminoamide thermoplastic 
polymer with a portion of the acrylate groups of a 
polyol acrylate. A photoinitiator is optionally 
added.
Patent EP-0385797-A3 (EP)
Title: A method and apparatus for detecting transition and rare earth elements in a matrix
IPC: B01D15/08
Filed: 1990-03-01
Abstract: A method and apparatus for the detection of 
selected trace transition elements, earth elements, 
or both, in an aqueous sample including the same, 
together with alkali metals, alkaline earth elements, 
or both, provide for 
   (a) flowing said sample through chelator means, 
comprising ion exchange means, under conditions for 
retaining substantially all of the transition 
elements and rare earth elements in said sample but 
for retaining only part of said alkali metals and 
alkaline earth metals in said sample,    (b) flowing a first eluant through said 
chelator means capable of stripping and removing in a 
waste stream the retained alkali metals and alkaline 
earth metals, but not transition elements and rare 
earth elements from the chelator means,    (c) flowing a second eluant through said 
chelator resin means to strip the retained transition 
elements and rare earth elements therefrom and form a 
chelator effluent stream,    (d) flowing the chelator effluent stream from 
step (c) through concentrator means, comprising ion 
exchange means, to retain said transition elements 
and rare earth elements therein while passing the 
remainder of said chelator effluent stream,    (e) discontinuing the flow of said chelator 
effluent stream to said concentration means,    (f) passing a third eluant, comprising an 
aqueous solution of a chelator complex agent, through 
said concentrator means, under conditions to elute at 
least selected ones of said transition elements and 
 
 
rare earth elements in chelated complexes in a 
concentrator effluent stream, and    (g) passing said concentrator effluent stream 
to a detector in which said selected transition 
elements and rare earth elements are detected.
Patent EP-0391663-A3 (EP)
IPC: C09D11/02
Filed: 1990-04-03
Abstract: Water-based compositions which are usable in the 
formulation of inks, particularly for flexographic 
printing, containing an acrylic copolymer and a resin, 
rosin or rosin derivative, in the absence of any 
protein component. Rosin esters may also be used. a 
proportion of the acidity of the resin or resin 
derivative can be neutralised by a base such as 
ethanolamine to form a soap which disperses the rosin. 
The copolymer preferably has a glass transition 
temperature of 0°C or lower.
Patent EP-0405734-A3 (EP)
Title: Subsea hanger and running tool
IPC: E21B33/043
Filed: 1990-05-16
Abstract: An improved subsea tubing hanger (4) having a body with an external shoulder (14) for landing on a seat (12) within a subsea wellhead housing (10) and locking means (22) carried by the hanger to engage the housing to lock the hanger in its landed position. The locking means includes a locking element (22), actuating means (30) for setting the locking element and securing means (16, 18) for holding the actuating means in its locked position but being releasable responsive to sufficient upward force to sever the securing means. The improved running tool (T) includes a body with hydraulic actuated latching means (62, 92, 112, 116) for engaging the tubing hanger and which maintains its engagement with the tubing hanger even when hydraulic pressure is lost. The actuating means includes an area exposed to hydrostatic riser pressure with sufficient area to retain the actuating means in latched position even though the remainder of the actuating means is exposed to well bore hydrostatic head urging it out of latched position.
Patent EP-0384843-A3 (EP)
Title: 1-arylsulfonyl-2-piperidinone derivatives, process and intermediates for their preparation, their pharmaceutical use and compositions containing them
IPC: C07D211/32
Filed: 1990-02-22
Abstract: The invention relates to the products of formula   <IMAGE> (I)  in which R represents the radical  <IMAGE>  in which R1 at any position on the benzene ring represents linear, branched or cyclic alkyl, alkenyl or alkynyl containing up to 8 carbon atoms, or the radical <IMAGE>  in which R2 and R3, which may be identical or different, represents hydrogen or linear alkyl, alkenyl or alkynyl containing up to 8 carbon atoms or form, together with the nitrogen atom to which they are attached, a carbonaceous heterocyclic radical optionally containing another hetero atom, or the radical OR', R' representing hydrogen, a linear, branched or cyclic alkyl containing up to 8 carbon atoms or aryl containing up to 14 carbon atoms, or the radical SR4 or S(O)R5, R4 and R5 representing linear, branched or cyclic alkyl, alkenyl, or alkynyl containing up to 8 carbon atoms, or R represents naphthyl optionally substituted with the radical R'1, R'1 being as defined above for R1, to a process and intermediates for the preparation thereof, to their application as medicinal products and to compositions containing them.
Patent EP-0419414-A3 (EP)
Title: Installation unit for a water closet
IPC: E04C2/52
Filed: 1990-09-07
Abstract: The installation block comprises a self-supporting body (1) made of foamed concrete into which a flush tank (2) with an inspection opening (2a) is foamed. A spiral hose (3), which forms a normally empty conduit (9) which empties into the flush tank (2) at one end and leads at the other end outwardly to the front side of the installation block (1), is also foamed into the body (1). To attach a water closet with subdouche, a flexible connecting hose (4), which comprises an attachment piece at the bottom end and at the other end is connected directly to the inlet valve of the flush tank, is inserted into the empty conduit (9).
Patent EP-0532980-A3 (EP)
Title: Sleeve with cap for receiving cable splices
IPC: G02B6/44
Filed: 1992-09-02
Abstract: The invention relates to a capped sleeve (1) for holding cable splices (12). The cable entry connecting pieces (6, 7) are designed projecting obliquely in the sleeve base (3) so that the cables can be inserted such that they run obliquely. <IMAGE>
Patent EP-0569904-A3 (EP)
IPC: C07C211/62
Filed: 1993-05-10
Abstract: A method for the manufacture of N,N dialkylglycamine compounds of general formula R2NR1R3(I) by reacting a secondary amine of general formula R2NHR3 (II) in which R2 is a straight or branched chain alkyl or hydroxyalkyl group having from 1 to 4 carbon atoms and R3 is a residue from a monosaccharide, with an alkali metal or alkaline earth metal aliphatic sulphate, R1SO4M, in which R1 is a straight or branched chain alkyl or alkenyl group having from 8 to 24 carbon atoms. The betaine, suphobetaine and N-oxidised derivatives of (I) are provided for use as mild surfactants.
Patent EP-0569139-A3 (EP)
Title: Alkyl substituted nitrotoluene derivatives
IPC: C07C255/35
Filed: 1993-04-13
Abstract: A compound of Formula (1): 
   
     wherein:  
   R is -H or alkyl;  
R¹, R² and R³ each independently is -H or alkyl;  
   X is halogen, -SO₂alkyl, -CN, -CO₂alkyl, -CO₂alkylaryl, 
-CO₂aryl, -CO₂H or aryl; and  
   Y is H, alkyl, alkoxy, aryl or halogen, and a process for their 
preparation are disclosed.  
     The compounds of Formula (1) are useful as intermediates in 
the preparation of dyestuffs, pharmaceuticals and agrochemicals.
Patent EP-0577565-A3 (EP)
IPC: C07K1/113
Filed: 1993-04-30
Abstract: A stabilized composition of HDAg or HDAg-equivalent peptides, or portions thereof with an HDAG antigenic activity, wherein said peptides are resuspended in an aqueous solution with an acidic pH is described.
Patent EP-0652593-A3 (EP)
Inventor: YANO KAZUO
IPC: H01L27/118
Filed: 1994-11-03
Abstract: The semiconductor integrated circuit enjoys a
high performance and can be produced at a low production
cost and within a short time. A cell has an internal
circuit connection such that an output terminal (22) is
connected to a plurality of input terminals (19 to 21)
through source-drain paths of active devices (M13 to M16)
connected in the tree form, and gate electrodes of the
active devices (M13 to M16) are connected to other input
terminals (15 to 18). Two such cells having the same
internal circuit connection, the same disposition of the
internal circuit devices and the same disposition of the
input/output terminals are disposed on the same chip, and
mutually different logics can be accomplished by changing
the form of application of input signals from outside the
cells to the input terminals. A chip area of an
integrated circuit designed by CAD using a cell library
can be reduced and a high speed circuit operation can be
attained. The present invention provides remarkable
effect for improving performance of an ASIC, a microprocessor,
etc., and for reducing the cost of production.
Patent EP-0631247-A3 (EP)
Title: Video game and communications system to be used on an airplane accessible via an onboared distributed processing system.
Inventor: MCCARTEN DAVID J
IPC: H04N21/214
Filed: 1994-06-03
Abstract: An airline-based video game system includes a multitasking master computer (2), which preferably stores video game and other application programs on its hard disk. The master computer is coupled to a set of airplane zone control computers ADBl to ADBN which also perform conventional cabin management tasks. The zone control computers receive data from the master control computer and couple data to identified seat controlling processing units (SEBs). Each SEB receives data from, and couples data to, a set of unique seat display units which are associated with each seat in the airplane. The system downloads application software to the seat display units from the master computer. After receipt of a downloading request, the master computer responds by setting up an application program transmission for generating the display menu which appears on each SDU. The initial applications program downloading results in a menu display at every passenger seat which initiated a request. The applications program is then coupled to each SDU for display on its liquid crystal display screen. The display menu advantageously permits each passenger to select between various operating modes including: movies, games, shopping, survey forms, language selection, communication/data processing services. Communication or data processing services permit selection of in-flight phone services, word processing services, and facsimile services. If a user opts for video game play, then the available game titles and/or descriptions thereof are displayed. The SDU includes interface processors and associated hardware and software which enable high speed downloading operations to be efficiently performed. The master computer initiates a high speed video game program downloading process to enable the user to play the selected video game. <IMAGE>