baber/WOPTO huggingface dataset:
Patent PT-68258-A (PT)
Title: Moving bed radial flow solids-fluid contacting apparatus
IPC: B01J8/12
Filed: 1978-07-06
Abstract: A reactor for contacting fluids with catalyst particles comprises a cylindrical vessel contg. cylindrical inner and outer catalyst retaining screens defining an outer annular fluid distribution volume, an intermediate annular catalyst bed and an inner cylindrical fluid collection volume. Used catalyst is gradually withdrawn from the bottom of the catalyst bed and replaced with fresh catalyst supplied to the top of the bed. The used catalyst is removed through catalyst withdrawal conduits distributed in a pattern encircling the inner catalyst withdrawal conduits distributed in a pattern encircling the inner catalyst retaining screen. The top of each conduit has a catalyst collection scoop located at 5-60 degrees to the horizontal with its open end facing the inner screen. Used in hydrocarbon conversion processes, e.g. the isomerisation or dehydrogenation of n-paraffins or in naphtha reforming. The reactor has a minimal no. of stagnant zones because the scoops collect used catalyst particles from the regions adjacent the inner screen where stagnant, ineffective particles tend to collect, e.g. during inward vapour flow.
Patent PT-70765-A (PT)
IPC: C07C215/38
Filed: 1980-02-01
Abstract: For all designated states : BE, CH, DE, FR, GB, IT, LU, NL, SE 1. S-(+)-alpha-[methylamino)methyl]-9-10-ethano anthracene-9(10H)-ethanol of the formula I  see diagramm : EP0014434,P11,F1  or an acid addition salt thereof. For the contracting state : AT 1. A process for the production of S-(+)-alpha-([methylamino)methyl]-9-10-ethano anthracene-9(10H)-ethanol of the formula I ad indicated in claim 1, or of an acid addition salt thereof, which process comprises a) resolving the racemic alpha-[(methylamino)-methyl]-9-10-ethanoanthracene- 9(10H)-ethanol and isolating S-(+)-alpha-[(methylamino)-methyl]-9-10-ethano anthracene-9(10H)-ethanol, if desired in the form of an acid addition salt, or b) reacting a compound of the formula II  see diagramm : EP0014434,P12,F1  with a compound of the formula III X2 -CH3 wherein one of X1  and X2  is the amino group and the other is a reactive esterified hydroxyl group, and Y1 is a free hydroxyl group, and X1 together with Y1  can also be an epoxy group, and A is the 9,10-ethanoanthracen-9(10H)-yl radical, or c) in a compound of the formula IV  see diagramm : EP0014434,P12,F2  in which at least one of Z1  and Z2  is a removable radical and the other may be hydrogen, or Z1  and Z2 together are a divalent removable radical, and A is the 9,10-ethanoanthracen-9(10H)-yl radical, removing Z1 and/or Z2 , d) reducing a compound which differs from the compound of the formula I only in that, in said compound, a carbon atom adjacent to the nitrogen atom is attached to this latter through a double bond or is substituted by a hydroxyl group or an oxo radical, optionally together with lower alkoxy, or e) adding ethylene to S-alpha-[(methylamino)-methyl]-9(10H)-anthracene, or hydrolyzing the intermediate obtained, and, if desired, converting the resultant S-(+)-alpha-[(methylamino)methyl]-9,10-ethanoanthracen- e-9(10H)-ethanol into an acid addition salt and/or liberating the base from a resultant acid addition salt.
Patent PT-72731-A (PT)
Title: Process for the manufacture of safety threads to be used as a protection against falsifications
IPC: B42D25/40
Filed: 1981-03-25
Abstract: The invention relates to a security filament to protect against forgery of bank notes, securities, permit cards, identity cards and passports, whereby the safety thread has a cross-sectional shape by which it can be identified optically and is provided with structural features on its surface which extend invariably over the length of the thread.
Patent PT-74298-A (PT)
IPC: G05D13/64
Filed: 1982-01-18
Abstract: 1. A device for regulating the speed in continuous mill trains, in which the rolling stock is divided into two or more sections and wherein each framework, through which one of the sections passes, is assigned a loop regulator whose output value is conducted to the speed regulator as a guide value to drive the assigned framework characterised in that the output of the loop regulator (15) assigned to the output framework (6, 11) is connected to a ramp-function generator (18) having storage properties, and a difference forming device (19) evaluates the difference between the guide value (W) of the output framework (6, 11) and the output value of the ramp-function generator (18), which is fed as an additional theoretical value (n*-z ) to the speed regulators (14) of the frameworks (2 to 6 and 7 to 11) through which the individual sections (I and II) pass, where the guide value (W) of the output framework (6, 11) is fed to the difference forming device (19) directly, and is fed to the ramp-function generator (18) via a switch (17) which is closed from the entry of the sections (I and II) into the output framework (6, 11) until the emergence of the end of the section from the last framework (1) common to all the sections.
Patent PT-75946-A (PT)
Title: Process for the preparation of water soluble zinc and aluminiun phthalocyanins as well for the use thereof as photoactivators
IPC: D06L4/50
Filed: 1982-12-06
Abstract: The invention relates to novel zinc and aluminium phthalocyanine compounds of the formula   <IMAGE>   wherein MePc is the zinc or aluminium phthalocyanine ring system, M is hydrogen or a salt-forming cation, P1 is hydrogen or a group of the formula -NH-CN or NH-SO2R3 or the salts thereof, wherein R3 is alkyl, aryl or a heterocyclic ring system, R2 is a neutral, non-solubilizing substituent, n is 1 to 4 and each of m and q is 0 to 3 and p is 0 to 4. These compounds are prepared by starting from the corresponding sulfohalides. The novel compounds are used as photoactivators, especially for bleaching and removing stains from textiles and for combating microorganisms in or on organic or inorganic substrates. The invention also relates to bleaching, detergent and soaking and microbicidal compositions which contain the novel phthalocyanine compounds.
Patent PT-79043-A (PT)
IPC: A47K3/16
Filed: 1984-08-08
Abstract: For facing a bathtube, an apron (3) of foam plastic is hooked into the tub edge (5) and secured to the adjoining structural elements (1, 20), in particular by means of assembly foam which, after introduction into the openings (9, 11), swells out through openings in the end face.
Patent PT-79274-A (PT)
Inventor: SIMON GERARD
IPC: B01J23/84
Filed: 1984-09-27
Abstract: 1. Process for the manufacture of dimethyldichlorosilane by reaction of methyl chloride with a solid contact reactant formed of silicon and a catalyst comprising copper or a copper compound, the said process being characterized in that the catalyst additionally comprises between 30 and 1,000 ppm of at least one metal chosen from tin and antimony (calculated as tin and/or antimony metal) or of a tin and/or antimony compound and between 0.05 and 4% (calculated as caesium metal) of caesium or of a caesium compound, based on the mass of contact solid.
Patent PT-81202-A (PT)
Title: Novel n-alkyl/ene/-n-/o,o-disubstituted-thiophosphoryl/-n',n'-disubstituted clycin amides process for the preparation thereof and acaricide insecticide and fungicide containing these compounds as active ingredient
IPC: C07F9/59
Filed: 1985-09-26
Abstract: The present invention relates to novel compounds of the formula (I) <IMAGE>  (I)  wherein R1 and R2 are the same or different and stand for alkyl having 1 to 4 carbon atoms optionally substituted by one or more halogen atoms, alkenyl having 2 to 6 carbon atoms, cycloalkyl having 3 to 6 carbon atoms, phenyl or lower alkoxy-alkyl group, R3 stands for alkyl having 1 to 6 carbon atoms or alkenyl having 2 to 6 carbon atoms, R4 and R5 are the same or different and represent hydrogen, alkyl having 1 to 6 carbon atoms, alkenyl having 2 to 6 carbon atoms, cycloalkyl having 3 to 6 carbon atoms, phenyl, benzyl, phenyl substituted by one or more alkyl having 1 to 3 carbon atoms and/or by one or more halogen atoms, lower alkoxy-alkyl, a group of the formula -(CH2)n-R6, wherein n is an integer between 0 to 3 and R6 stands for a 3 to 7 membered saturated or unsaturated ring comprising 1 to 3 heteroatoms, said heteroatoms can be selected from the group of nitrogen and/or oxygen and/or sulphur, and R4 and R5 can together form with the adjacent nitrogen atom a hexamethylene-imino group. The compounds of the invention exhibit acaricidal, insecticidal and fungicidal activity.
Patent PT-82218-A (PT)
Title: Energy economizer controlled-current start and protection for induction motors
IPC: H02P1/00
Filed: 1986-03-18
Abstract: A motor current demodulator is coupled to the stator winding to monitor operating efficiency-related parameters of the surge current each time the current in the stator winding increases from zero. The demodulator generates an output control signal whose magnitude is dependent upon the efficiency-related surge current parameters. A control circuit responds to this output control signal to regulate theenergisation from the power supply by varying the portion of each sine wave which is coupled to the stator winding. The control circuit is deactivated during the start mode. As the motor approaches synchronous speed the control circuit is rendered operative to switch the power control system from the start to a run mode. (Provisional Basic advised week 85/49).
Patent PT-83486-A (PT)
IPC: B42D5/02
Filed: 1986-10-02
Abstract: This invention is concerned with a continuous assembly 1 of self mailer web parts secured together by heat seal adhesive 7, 8 in which a part of the assembly to receive a personal identification number 11 has attached to it a patch 12 of self copy paper with the sensitive coating side of the self copy paper towards the form assembly and the other side of the patch bearing masking printing.
Patent PT-86369-A (PT)
Title: Process for the preparation of new derivatives of 5-pentylamino-5-oxopentanoic and 4-pentylamino-4-oxobutanoic acids with antagonistic activity towards cholecystokinin
Inventor: MAKOVEC FRANCESCO
IPC: C07D209/42
Filed: 1987-12-15
Abstract: New original derivatives are described of 5-pentylamino -5-oxopentanoic and 4-pentylamino-4-oxobutanoic acids having the formula: <CHEM> in which n is 1 or 2, R1 is selected from the groups 2-naphthyl, 2 (or 3)-quinolinyl, 2 (or 3)-indolyl, 2 (or 3)-benzofuranyl, 2 (or 3)-benzothiophenyl, and R2 is a pentyl group or an alkoxyalkyl group with 4 or 5 carbon atoms, preferably pentyl, 2-ethoxyethyl, 3-methoxypropyl or 3-ethoxypropyl. The compounds have a powerful antagonistic activity towards cholecystokinin and are particularly useful in the treatment of illnesses of the digestive system, such as colitis, biliary diskinesia, pancreatitis or in the treatment of disorders of the central nervous system imputable to deficiencies in the physiological neuron levels of cholecystokinin or other related bioactive polypeptides.
Patent PT-93218-A (PT)
Inventor: SCHAUS JOHN MEHNERT
IPC: A61K31/136
Filed: 1990-02-21
Abstract: The present invention provides novel ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes which exhibit binding activity at the serotonin 1A receptor and 3-aminochromane intermediates. The pharmaceutical compounds have the formula <CHEM>  in which R is C1-C4 alkyl, allyl, or cyclopropylmethyl; R1 is hydrogen, C1-C4 alkyl, allyl, cyclopropylmethyl, or aryl(C1-C4-alkyl);  R2 is hydrogen or methyl;  X is -CH2- or -O-; R3 is C1-C8 alkyl, aryl, substituted aryl, aryl(C1-C4-alkyl), substituted aryl(C1-C4 alkyl), or C5-C7 cycloalkyl;  n is 0, 1, or 2; and pharmaceutically acceptable acid addition salts thereof.
Patent SE-8900282-A (SE)
IPC: H04L27/233
Filed: 1989-01-26
Abstract: The invention relates to a method and an arrangement for controlling the frequency of a radio-receiver which receives signal-sequencies which have been subjected to interference and which include a synchronizing-sequence and a data-sequence. A signal-sequence is A/D-converted (3) to signal-points (I,Q) intended for analysis, and a Viterbi-algorithm (10) is adapted (12,13) to the prevailing interferencies with the aid of the synchronizing-sequence. The data-sequence is Viterbi-analyzed through a large number of calculating stages, for the purpose of determining the bit-sequence of the data-sequence. According to the invention, a bit-sequence is extracted during the Viterbi-analysis, with a time-delay (TE), subsequent to effecting a few calculating stages, and a corresponding extracted signal-point is calculated (14). The analysis-intended signal-point corresponding to the extracted signal-point is divided and time-delayed (16,TE), and phase-compared (15) with the extracted signal-point. Corresponding phase-comparisons are made with respect to consecutive signal-points in the data-sequence and the angular magnitudes obtained in the phase-comparison are low-pass filtered and integrated (17) to form an angle-shift signal (V). The analysis-intended signal-points are displaced angularly (11) by the angle-shift signal (V) prior to the Viterbi-analysis.
Patent SE-9000730-A (SE)
IPC: B07C5/14
Filed: 1990-03-01
Abstract: The output signals from the sensors (20a, 20b) are fed to a comparator (21) which produces an output signal identifying the surface which has occasioned a looser or tighter signal pattern as the sap or core surface. The signals from the sensors are fed into both inputs of the comparator (21), the comparator is programmed and connected so that at its output it emits a signal indicating which surface in the investigated timber piece is facing the required direction, e.g. upwards. To enact the identification process, a cleanly sawn plank (11) is moved on a transversal transporter between the sensors (20a, 20b). The sensors are transmitters and receivers for visible or infra-red light, sensitive to the difference in the portion of reflected light arising from teh difference in surface structure lines and surrounding wood material reflection properties.
Patent SI-9300223-A (SI)
Title: Immunogenic peptides/carbohydrate conjugates and process for their production
Inventor: JONDAL MIKAEL
IPC: C07K9/00
Filed: 1993-04-28
Abstract: The present invention relates to a novel class of immunologically active compounds, to processes for their production and to their use in therapy. In particular, the invention provides immunogenic peptide-carbohydrate conjugates useful for generating T cell immunity against tumor-associated carbohydrate structures, or against carbohydrate structures expressed on infectious agents and/or infected host cells. The immunogenic conjugate comprises a peptide component capable of binding a MHC class I molecule and a carbohydrate component having the same immunogenic characteristics of the carbohydrate structure on the tumor cell, infectious agent or the infected cells.
Patent SI-9300345-A (SI)
Title: Heteroarylnaphtalen derivatives as leukotriene biosynthesis inhibitors
Inventor: GIRARD YVES
IPC: C07D417/14
Filed: 1993-06-29
Abstract: Compounds having the formula I: <CHEM> are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis and allograft rejection and in preventing the formation of atherosclerotic plaques.
Patent TR-23019-A (TR)
IPC: A61K9/22
Filed: 1985-07-24
Abstract: A delivery device for zero-order release of an active principle into a dissolution fluid includes a reservoir consisting of a solid matrix of a homogeneous mixture of a polymer material, at least a portion of the active principle and an additive soluble in the dissolution fluid with negative heat of solution, a coating on the solid matrix-type reservoir of a first, release rate-controlling insoluble membrane which modulates the active principle release according to the desired kinetics; and a second, protective membrane on the release rate-controlling membrane of a soluble polymer material.
Patent BG-100211-A (BG)
Title: Device for aorta blood flow cessation
Inventor: LAZAROV ZDRAVKO J
IPC: A61B17/122
Filed: 1995-12-08
Abstract: The device can be used in vascular surgery in interventions on the thoracic and the abdominal aorta. It completely substitutes the aorta clamping requiring its back preparation and the use of tourniquet, can be applied in the presence of heavy calcinosis, causes no aortal rupture and ensures double cessation of the aortal blood flow in two points. The device is a system of mobile metal elements fixed by locking screws (11) to two side rails (1) on the operating theatre by means of two clamps (2) through which two vertical columns (3) supporting a horizontal tube (5) are fixed to the required height. Two pressing tubes (4) get along the horizongal tube (5) by means of pivots (8, 9 & 10) and rubber endpieces (7) are fitted on the lower part of the said tubes (4), their size matching the pressed aortal wall which, by means of rotation and translation motion along their axes, can reach any point of the surgical intervention field and be fixed in the required position until the aortal blood flow is stopped in one or in two points.
Patent BG-102085-A (BG)
Title: Piston internal combustion engine
Inventor: DIMITROV DEJAN P
IPC: F02B25/08
Filed: 1997-11-28
Abstract: The engine is used for driving of transport vehicles andstationary machines. It has higher filling coefficient andefficiency. The engine consists of an operational cylinder (1)made of a left- and righthandside block-cranckcase (2) betweenwhich a cylinder head (3) is fitted housing intake (4) anddischarge (5) valves. Valves (4 & 5) are mounted opposite to eachother on two different planes at some distance, their axesoccupying lateral position towards the common axis of pistons (7).Pistons (7), the left- and the righthandside cylinder (2) and thespace in front of the heads of the intake and discharge valves (4& 5) in the cylinder head (3) form a combustion chamber (10) andclearances (11).4 claims, 10 figure
Patent BG-102162-A (BG)
Title: Substituted (sulpphinic acid, sulphonic acid, sulphonylamino or sulphinylamino)n-[(aminoiminomethyl)phenylalkyl]-azaheterocyclylam ide compounds
Inventor: EWING WILLIAM R
IPC: C07D401/06
Filed: 1998-01-06
Abstract: The compounds have pharmacological activity, in particular asinhibitors of the factor Xa activity. They have the formula shownin the description. The invention also relates to compositionscontaining these compounds and to their application in the medicalpractice.55 claims
Patent BG-103127-A (BG)
Title: Pharmaceutical composition based on water
Inventor: KIM SOO-II
IPC: A61K31/573
Filed: 1999-01-28
Abstract: The invention relates to an aqueous pharmaceuticalcomposition for the treatment of people which can be atomized inthe nasal cavity, containing a pharmaceutically effective quantityof solid particles of a medicament which is efficacious for thetreatment of an unnatural physiological condition by its presenceon the mucous surfaces of the nasal cavity, and a suspension agentin a quantity effectively maintaining the solid particles evenlydispersed in the composition and attributing to it the followingthixotropic properties: (a) high viscosity at rest in comparisonwith that of the composition in gel-like form; (b) when thecomposition is subjected to shearing (swinging) forces beforepulverization its viscosity becomes relatively low and thecomposition in the form of mist easily penetrates in thenasalpassages in order to be deposited on the mucous surfaces ofthe nasal cavity; and (c) the viscosity of the compositiondeposited on the mucous surfaces is relatively high and thecomposition is able to endure the trend of being removed from themucous surfaces by the mucosillary forces which are proper in thenasal cavity. The inevnetion also relates to a method for thepreparation of compositions, as well as to a method for itsapplication, including of a preferred form by making use ofantiphlogistic steroid, such as triamcynolon acetonide, and aninodorous form of the composition.20 claims
Patent BG-104106-A (BG)
Title: Composition of improver for soils with deteriorated agrobiological properties and for substrates enrichment
Inventor: DIMITROV PETKO S
IPC: C05G3/80
Filed: 2000-01-25
Abstract: The improver is applicable for the reclamation of acidic, microelement-poor and destroyed soils. It is introduced in substrates in quantities from 1.0 to 5 %, its accelerates the ripening and increases the yield, for example, of tomatoes. It is in the form of deep soil Black sea sapropel with the following composition: in %, Corg from 3.0 to 10, SiO2 from 28 to 35, CaO from 1 to 8, MgO 2.3-3.15, Fe2O3 3.55-5.2, Al2O3 from 10.4 to 12.5, P2O5 0.5-2.15, TiO2 0.3-0.5, E1 O.2-0.5, E2 0.2-0.4, Cu 0.01-0.05, Cr - 0.10-0.015, Mn - 0.026-0.047, Zn - 0.0076-0.094, Mo - 0.013-0.022, Co 0.013-0.018, Ni - 0.0065-0.0081, Li - 0.002-0.003, Sr - 0.0027-0.0095, V - 0.0076-0.0100. The improver is applied in concentrations from 0.2 to 0.5 wt. % in soils and substrates. 2 claims
Patent BG-107688-A (BG)
Title: Novel anticholinergic agents that can be used as medicaments and method for the production thereof
Inventor: MEISSNER HELMUT
IPC: A61K31/46
Filed: 2003-03-28
Abstract: The invention relates to novel anticholinergic agents of general formula wherein A, X- and radicals R1, R2, R3, R4, R5, R6 and R7 can have the meanings as cited in the claims and in the description. The invention also relates to the use of these agents as medicaments 11 claims
Patent BG-110923-A (BG)
Title: A device for washing clothes by mechanical vibration
Inventor: RADEV ATANAS
IPC: D06F19/00
Filed: 2011-04-28
Abstract: The invention provides for a device to wash textile materials by mechanical vibration including fine textile products, bed linen, clothes, toweling and others. The device consist of a body (4) enclosing a motor (11) and a cam shaft (12) situated at a distance of ? the radius, under the centre of the body(4). Ribs (6) are shaped on the outer surface of the body (4) and distanced one from the other as part of a cylinder surface of equal radius fixed as 1/3 of the diameter of the body (4).
Patent CN-1311229-A (CN)
Title: 一种新的多肽——人克氏elegans52和编码这种多肽的多核苷酸
Inventor: MAO YUMIN
IPC: C07K14/435
Filed: 2000-03-02
Abstract: 本发明公开了一种新的多肽——人克氏elegans52,编码此多肽的多核苷酸和经DNA重组技术产生这种多肽的方法。本发明还公开了此多肽用于治疗多种疾病的方法,如Juvenile肾病,恶性肿瘤,血液病,HIV感染,免疫性疾病和各类炎症等。本发明还公开了抗此多肽的拮抗剂及其治疗作用。本发明还公开了编码这种新的人克氏elegans 52的多核苷酸的用途。
Patent CN-1320678-A (CN)
Title: 一种碳五民用燃料
Inventor: BAO GUOCUN
IPC: C10L1/04
Filed: 2000-04-25
Abstract: 本发明涉及一种碳五民用燃料,主要解决容易产生泄漏和爆燃,价格比较高,并对人体产生一氧化碳中毒的问题,其特征是:碳五民用燃料由80%－90%的碳五、对苯二酚和二茂铁组成,每吨80%－90%的碳五中加入对苯二酚30到40克,加入二茂铁25到30克。
Patent CN-1285519-A (CN)
Title: 使用动态全息显示介质的工艺和方法
Inventor: KECAS DENIS J
IPC: G02F1/055
Filed: 2000-06-16
Abstract: 非记忆性陶瓷PLZT是一种动态全息显示介质,比普通LCD技术反应快得多,还有良好的立体显示能力。本发明的系统可以显示快速傅里叶变换(FFT)计算机生成的全息图(CGH),允许使用基于FFT的图像处理。由于物体的空间频率成分通常比其位置变换得更慢,通过使用在傅里叶空间中不断更新的delta图像,本系统会显著加速图像的生成。
Patent CN-1282956-A (CN)
Title: 曝光设备与曝光方法
Inventor: MAKOTO TAKETA
IPC: G11B7/122
Filed: 2000-07-31
Abstract: 揭示了一种曝光设备和曝光方法。例如,把准备用于制备光盘的光盘原版装到曝光装置上,以便对记录密度基本上提高的光盘的光盘原版进行曝光。由SHG发射的波长为300nm或更短的曝光激光束经调制器的调制,用数值孔径为1.0或更大的物镜利用近场效应加到光盘原版。
Patent CN-1351715-A (CN)
Title: 脱氧－d－木酮糖磷酸生物合成途径的基因在改变类异戊二烯浓度中的应用
Inventor: JOMAA HASSAN
IPC: C12Q1/68
Filed: 2000-05-20
Abstract: 本发明涉及来自于细菌或寄生虫的命名为gcpE和yfgB基因的DNA序列用于掺入到病毒,真核细胞和原核细胞的基因组,从而改变类异戊二烯的浓度。本发明还涉及识别在植物中具有除草剂,抗寄生虫,抗病毒剂,杀真菌剂作用和在人体和动物中具有抗真菌,抗寄生虫,抗病毒剂作用的物质的方法。
Patent CN-1347264-A (CN)
Title: Ptc发热元件的散热器及其做成的ptc加热体
Inventor: QIXIONG ZHANG
IPC: H05B3/14
Filed: 2001-10-10
Abstract: 本发明公开了一种PTC发热元件的散热器,所述散热器包括第一端板、第二端板和一对从第二端板伸向第一端板的连接板,每个所述的连接板通过各自的弯曲段与第一端板连接,且所述弯曲段在各自连接板的内侧。
Patent CN-1698108-A (CN)
Inventor: SCHOEPPEL WOLFGANG G
IPC: G11B7/257
Filed: 2001-10-09
Abstract: 光存储介质，用一光束(6)可从它读出信息和/或可把信息记录在其内，所述光存储介质包括一个或更多部分(1)，它带有光束(6)入射到基本部分(1)的一个侧面，一层或更多信息存储层(3)，至少一层光透射覆盖薄膜(5)和一层或更多光透射粘合层(4)，后者把所述覆盖薄膜(5)彼此粘结，粘结到有光束(6)入射的基本部分(1)的表面(2)和/或粘结到一层或更多信息存储层(3)，所述覆盖薄膜(5)是挤压的，并在200℃分别在所述光束(6)的波长或波长谱呈现小于0.001的垂直双折射率。