GEP20033105B - Method for Marking Liquids and Their Compounds and Method for Detecting Them - Google Patents

Method for Marking Liquids and Their Compounds and Method for Detecting Them

Info

Publication number
GEP20033105B
GEP20033105B GEAP19995641A GEAP1999005641A GEP20033105B GE P20033105 B GEP20033105 B GE P20033105B GE AP19995641 A GEAP19995641 A GE AP19995641A GE AP1999005641 A GEAP1999005641 A GE AP1999005641A GE P20033105 B GEP20033105 B GE P20033105B
Authority
GE
Georgia
Prior art keywords
compounds
detecting
marking
fluorescent light
marker
Prior art date
Application number
GEAP19995641A
Other languages
English (en)
Inventor
Beck, (De) Karin Heidrun
Meyer, (De) Frank
Vamvakaris, (De) Christos
Wagenblast, (De) Gerhard
Original Assignee
Basf Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Publication of GEP20033105B publication Critical patent/GEP20033105B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/003—Marking, e.g. coloration by addition of pigments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6439—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" with indicators, stains, dyes, tags, labels, marks
    • G01N2021/6441—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" with indicators, stains, dyes, tags, labels, marks with two or more labels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/13—Tracers or tags
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/21—Hydrocarbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Paints Or Removers (AREA)
  • Detergent Compositions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
GEAP19995641A 1998-04-23 1999-04-12 Method for Marking Liquids and Their Compounds and Method for Detecting Them GEP20033105B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19818176A DE19818176A1 (de) 1998-04-23 1998-04-23 Verfahren zur Markierung von Flüssigkeiten mit mindestens zwei Markierstoffen und Verfahren zu deren Detektion

Publications (1)

Publication Number Publication Date
GEP20033105B true GEP20033105B (en) 2003-10-27

Family

ID=7865573

Family Applications (1)

Application Number Title Priority Date Filing Date
GEAP19995641A GEP20033105B (en) 1998-04-23 1999-04-12 Method for Marking Liquids and Their Compounds and Method for Detecting Them

Country Status (33)

Country Link
US (1) US6312958B1 (enExample)
EP (1) EP1082610B1 (enExample)
JP (1) JP4316804B2 (enExample)
KR (1) KR100609673B1 (enExample)
CN (1) CN1145794C (enExample)
AR (1) AR015278A1 (enExample)
AT (1) ATE373822T1 (enExample)
AU (1) AU754193B2 (enExample)
BG (1) BG65287B1 (enExample)
BR (1) BR9909817B1 (enExample)
CA (1) CA2329221C (enExample)
CO (1) CO5090894A1 (enExample)
CZ (1) CZ300963B6 (enExample)
DE (2) DE19818176A1 (enExample)
EA (1) EA002413B1 (enExample)
EE (1) EE04508B1 (enExample)
ES (1) ES2293723T3 (enExample)
GE (1) GEP20033105B (enExample)
HU (1) HUP0102734A3 (enExample)
IL (1) IL138845A (enExample)
MX (1) MXPA00009804A (enExample)
MY (1) MY121841A (enExample)
NO (1) NO20005280L (enExample)
NZ (1) NZ508195A (enExample)
PE (1) PE20000447A1 (enExample)
PL (1) PL193266B1 (enExample)
PT (1) PT1082610E (enExample)
SK (1) SK286179B6 (enExample)
TR (1) TR200003066T2 (enExample)
TW (1) TW503315B (enExample)
UA (1) UA66381C2 (enExample)
WO (1) WO1999056125A1 (enExample)
ZA (1) ZA200006828B (enExample)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6558626B1 (en) * 2000-10-17 2003-05-06 Nomadics, Inc. Vapor sensing instrument for ultra trace chemical detection
DE10063955A1 (de) * 2000-12-20 2002-07-04 Basf Ag Verfahren zur Markierung von Mineralöl
MXPA01011530A (es) * 2001-06-04 2004-04-21 Uziel Ben Itzhak Metodo y sistema para marcar un liquido.
US6811575B2 (en) * 2001-12-20 2004-11-02 Rohm And Haas Company Method for marking hydrocarbons with anthraquinones
ATE381595T1 (de) * 2002-02-14 2008-01-15 Fujifilm Corp Verfahren zur optischen bestimmung von mehrsträngigen nucleinsäuren mit hilfe von cyaninfarbstoffen
AU2003221759A1 (en) * 2002-04-09 2003-10-27 Isotag Technology, Inc. Information system for manipulating data related to the ordering and performance of services and communication of results
US7157611B2 (en) * 2002-07-11 2007-01-02 Rohm And Haas Company Pyrazinoporphyrazines as markers for liquid hydrocarbons
US20040102340A1 (en) * 2002-11-22 2004-05-27 Ho Kim Sang Method for marking hydrocarbons with anthraquinone imines
US20040110997A1 (en) * 2002-12-04 2004-06-10 Ho Kim Sang Method for marking liquid petroleum hydrocarbons
US7208451B2 (en) * 2003-01-29 2007-04-24 Authentic Inc. IMS detection of chemical markers in petroleum products
TWI230914B (en) * 2003-03-12 2005-04-11 Au Optronics Corp Circuit of current driving active matrix organic light emitting diode pixel and driving method thereof
DE10325537B4 (de) * 2003-06-04 2006-08-17 Fuchs Petrolub Ag Vorrichtung und Verfahren zum automatischen Detektieren von wenigstens einem in einem flüssigen Betriebsstoff enthaltenen fluoreszierenden und/oder lichtabsorbierenden Indikator während des Einfüllvorgangs des Betriebsstoffs in eine Maschine
JP3806118B2 (ja) * 2003-06-13 2006-08-09 ローム アンド ハース カンパニー 置換アントラキノンでの炭化水素のマーキング方法。
US20050019939A1 (en) * 2003-07-25 2005-01-27 Dale Spall Combination marker for liquids and method identification thereof
GB0326932D0 (en) 2003-11-19 2003-12-24 Johnson Matthey Plc Encapsulation and dispersion method and capsule therefor
US7919325B2 (en) * 2004-05-24 2011-04-05 Authentix, Inc. Method and apparatus for monitoring liquid for the presence of an additive
US6977177B1 (en) * 2004-05-26 2005-12-20 Rohm And Haas Company Method for marking hydrocarbons with substituted anthraquinones
US8486711B2 (en) 2004-10-22 2013-07-16 Bayer Materialscience Llc Highly fluorescent markers for fluids or articles
US7635596B2 (en) * 2004-12-15 2009-12-22 Rohm And Haas Company Method for monitoring degradation of lubricating oils
JP5261177B2 (ja) * 2005-08-24 2013-08-14 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 標識システム
US8129190B2 (en) * 2006-11-17 2012-03-06 Applied Nanotech Holdings, Inc. Tagged petroleum products and methods of detecting same
GB0718934D0 (en) * 2007-09-28 2007-11-07 Johnson Matthey Plc Tagging method
RU2010125011A (ru) * 2007-11-21 2011-12-27 Басф Се (De) Дейтерирование маркирующих веществ
EP2283021B1 (de) 2008-05-19 2014-01-08 Basf Se Schaltbare effektstoffe
NO333424B1 (no) * 2008-07-10 2013-06-03 Resman As Et sporstoffsystem og en fremgangsmate for a spore en sporstofforbindelse i et petroleumsproduksjons-fluidsystem
WO2011032857A2 (de) 2009-09-15 2011-03-24 Basf Se Verwendung von derivaten aromatischer verbindungen als markierstoffe für flüssigkeiten
ES2564455T3 (es) 2009-10-01 2016-03-22 Agroscope Liebefeld-Posieux Alp Método de autenticación de productos lácteos
US9995681B2 (en) * 2010-09-28 2018-06-12 Authentix, Inc. Determining the quantity of a taggant in a liquid sample
GB2497477B (en) * 2010-09-28 2017-03-15 Authentix Inc Determining the quantity of a taggant in a liquid sample
US9244017B2 (en) 2011-05-26 2016-01-26 Altria Client Services Llc Oil detection process and apparatus
US9080987B2 (en) * 2011-05-26 2015-07-14 Altria Client Services, Inc. Oil soluble taggants
GB201200184D0 (en) * 2012-01-06 2012-02-22 Johnson Matthey Plc Tracers and method of marking liquids
EP2831814A1 (de) * 2012-03-29 2015-02-04 Roche Diagnostics GmbH Verfahren zur schulung von personal in der qualitätskontrolle
US10900897B2 (en) 2012-05-29 2021-01-26 Altria Client Services Llc Oil detection process
US9791407B2 (en) 2012-10-23 2017-10-17 Koc Universitesi Method and an apparatus for the detection of a tagging material in fluids
US20140154813A1 (en) * 2012-11-30 2014-06-05 Sicpa Holding Sa Marking of material, marked material and process of authentication or dilution determination
EP2926119B1 (en) * 2012-11-30 2023-02-22 Sicpa Holding Sa Method of marking of material, marked material and method for authenticating a material
US9097668B2 (en) 2013-03-15 2015-08-04 Altria Client Services Inc. Menthol detection on tobacco
US9073091B2 (en) 2013-03-15 2015-07-07 Altria Client Services Inc. On-line oil and foreign matter detection system and method
US10066186B2 (en) 2013-04-22 2018-09-04 Basf Se Lubricating oil compositions containing a halide seal compatibility additive and a second seal compatibility additive
JP6109412B2 (ja) 2013-04-22 2017-04-05 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 潤滑剤組成物のフルオロポリマーシール適合性を改善させるための、シール適合性添加剤
ES2942637T3 (es) 2014-07-17 2023-06-05 Kuantag Nanoteknolojiler Gelistirme Ve Uretim Anonim Sirketi Sistema de detección de sustancias fluorescentes
WO2016077471A1 (en) 2014-11-11 2016-05-19 Altria Client Services Inc. Method for detecting oil on tobacco products and packaging
US20160371704A1 (en) * 2015-06-18 2016-12-22 Kuantag Nanoteknolojiler Gelistirme Ve Uretim A.S. Integrated fuel tracking system
GB201517474D0 (en) * 2015-10-02 2015-11-18 Johnson Matthey Plc Identification of products
DE102017221187B4 (de) * 2017-11-27 2020-08-13 Carl Zeiss Meditec Ag Verfahren zur Bestimmung der Konzentration von verschiedenen, in einem Objekt enthaltenen Fluoreszenzemittern und Mikroskopiesystem
DE102022130251A1 (de) * 2022-11-16 2024-05-16 Carl Zeiss Microscopy Gmbh Mikroskopanordnung und Verfahren zur Untersuchung einer mit mehreren Farbstoffen gefärbten Probe

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073739B (de) 1957-09-24 1960-01-21 Sandoz A.G., Basel (Schweiz) Verfahren zum Färben synthetischer Polyamide in der Masse
US3484467A (en) 1967-01-05 1969-12-16 American Cyanamid Co Diaryl - (n,n - diarylaminoaryl)-aminium hexafluoroantimonates and hexafluoroarsenates
ATE51402T1 (de) 1984-03-21 1990-04-15 Ici Plc Infrarot-absorber.
GB8431446D0 (en) 1984-12-13 1985-01-23 Secr Defence Alkoxyphthalocyanines
DE3505751A1 (de) 1985-02-20 1986-08-21 Basf Ag, 6700 Ludwigshafen Neue tetraphenyldithiolen-komplexe und diese komplexe enthaltende optische aufzeichnungsmedien
GB8614673D0 (en) 1986-06-17 1986-07-23 Secr Defence Alkoxyphthalocyanines
EP0310080A3 (en) 1987-10-01 1990-05-16 Basf Aktiengesellschaft Azulene-squarillic dyes, azulenes as their intermediary products, and optical recording medium
DE3810956A1 (de) 1988-03-31 1989-10-12 Basf Ag Neue siliciumnaphthalocyanine sowie duenne strahlungsempfindliche beschichtungsfilme, die diese verbindungen enthalten
DE3830041A1 (de) 1988-09-03 1990-03-08 Basf Ag Siliciumnaphthalocyanine mit ungesaettigten liganden sowie duenne strahlungsempfindliche beschichtungsfilme
DE4021078A1 (de) 1990-07-03 1992-01-09 Basf Ag Polymethinfarbstoffe
ES2127455T3 (es) 1991-11-08 1999-04-16 Eastman Chem Co Composicion de polimero termoplastico que tiene mezclado con ella uno o mas compuestos monomericos fluorescentes en el infrarrojo proximo.
DE69332902T2 (de) * 1992-01-29 2004-02-05 Isotag Technology, Inc., North Miami Beach Verfahren zur identifizierung von chemikalien durch nicht-radioaktive isotope
US5804447A (en) 1992-07-23 1998-09-08 Basf Aktiengesellschaft Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids
MX9304188A (es) 1992-07-23 1994-03-31 Basf Ag Uso de compuestos absorbentes y/o fluorescentes enla region infrarroja como marcadores para liquidos.
US5698397A (en) * 1995-06-07 1997-12-16 Sri International Up-converting reporters for biological and other assays using laser excitation techniques
US5525516B1 (en) * 1994-09-30 1999-11-09 Eastman Chem Co Method for tagging petroleum products
US5723338A (en) * 1994-11-04 1998-03-03 Amoco Corporation Tagging hydrocarbons for subsequent identification
US5843783A (en) * 1994-11-04 1998-12-01 Amoco Corporation Tagging hydrocarbons for subsequent identification
US5710046A (en) * 1994-11-04 1998-01-20 Amoco Corporation Tagging hydrocarbons for subsequent identification
US6003365A (en) * 1995-01-23 1999-12-21 Board Of Regents, The University Of Texas System Characterization of organic contaminants and assessment of remediation performance in subsurface formations
US5512066A (en) * 1995-01-23 1996-04-30 Chevron Chemical Company Tagging materials for gasoline
US5958780A (en) * 1997-06-30 1999-09-28 Boston Advanced Technologies, Inc. Method for marking and identifying liquids

Also Published As

Publication number Publication date
SK286179B6 (sk) 2008-04-07
EP1082610B1 (de) 2007-09-19
NZ508195A (en) 2002-07-26
PL193266B1 (pl) 2007-01-31
EP1082610A1 (de) 2001-03-14
KR20010042936A (ko) 2001-05-25
BR9909817A (pt) 2000-12-19
MY121841A (en) 2006-02-28
CA2329221A1 (en) 1999-11-04
PL344017A1 (en) 2001-09-24
TR200003066T2 (tr) 2001-01-22
BR9909817B1 (pt) 2010-11-30
ZA200006828B (en) 2001-11-22
WO1999056125A1 (de) 1999-11-04
IL138845A0 (en) 2001-10-31
CZ300963B6 (cs) 2009-09-23
HUP0102734A3 (en) 2004-10-28
DE19818176A1 (de) 1999-10-28
DE59914509D1 (de) 2007-10-31
AU3815299A (en) 1999-11-16
EA200001093A1 (ru) 2001-04-23
CZ20003909A3 (cs) 2001-10-17
PT1082610E (pt) 2007-10-25
HUP0102734A2 (hu) 2001-12-28
CN1307680A (zh) 2001-08-08
US6312958B1 (en) 2001-11-06
AU754193B2 (en) 2002-11-07
MXPA00009804A (es) 2001-03-31
SK14862000A3 (sk) 2001-06-11
BG65287B1 (bg) 2007-11-30
CO5090894A1 (es) 2001-10-30
ATE373822T1 (de) 2007-10-15
NO20005280L (no) 2000-12-19
IL138845A (en) 2004-06-20
NO20005280D0 (no) 2000-10-20
MX213588B (enExample) 2003-04-08
EA002413B1 (ru) 2002-04-25
BG104951A (en) 2001-05-31
CN1145794C (zh) 2004-04-14
PE20000447A1 (es) 2000-05-23
AR015278A1 (es) 2001-04-18
EE200000612A (et) 2002-04-15
ES2293723T3 (es) 2008-03-16
KR100609673B1 (ko) 2006-08-09
UA66381C2 (en) 2004-05-17
CA2329221C (en) 2009-12-22
EE04508B1 (et) 2005-06-15
JP4316804B2 (ja) 2009-08-19
JP2002513155A (ja) 2002-05-08
TW503315B (en) 2002-09-21

Similar Documents

Publication Publication Date Title
GEP20033105B (en) Method for Marking Liquids and Their Compounds and Method for Detecting Them
GB2319337B (en) Compositions and methods for tracing or identifying goods or their theft
ES2109391T3 (es) Soporte de ensayo para la determinacion de analitos y procedimiento para su fabricacion.
TW350822B (en) Light emitting panel assemblies for use in automotive applications and the like
MXPA04002958A (es) Documento de valor y marca de seguridad usando una sustancia marcadora.
CA2449171A1 (en) Marking and authenticating articles
MX9403326A (es) Blanqueo fluorescente de papel.
AR001584A1 (es) Una composicion para marcadores incoloros de petroleo
ES2175349T3 (es) Composicion liquida acuosa para uso agricola.
PT1155095E (pt) Materiais electroluminescentes
WO2000070690A3 (en) Organic light emitting devices
ATE303346T1 (de) Methode zur verhinderung der vermehrung von cryptosporidium parvum mit ultraviolettem licht
ES2099522T3 (es) Procedimiento para teñir medios organicos.
FI954029A0 (fi) Kemiluminesoiva reagenssi ja analyysimenetelmä, jossa käytetään substituoitua asetanilidia valon muodostukseen
KR910003739A (ko) 칼라수상관
EP1426434A3 (en) Method for marking liquid hydrocarbons
AU7041296A (en) Pressure-sensitive copying material
BE883800A (fr) Luminophore a base d'aluminate emettant dans la zone de l'ultraviolet et lampes de bronzage solaire fluorescentes l'utilisant
IT1270972B (it) Procedimento ed apparecchiatura per l'analisi di composti volatili organici.
IT1255263B (it) Metodo e composizione liquida per la realizzazione di scritte indelebili su un substrato cartaceo
BR9907340A (pt) Ciclo-heptenos substituìdos, e processo para a produção de um composto
JPS52100775A (en) Fluorescent lamp
BR9912761A (pt) Dispositivo para produção de oxigênio singleto, e, processo de produção de oxigênio singleto a partir de oxigênio tripleto
ITMI931573A1 (it) Procedimento per l'incorporazione e la protezione delle scritture su documenti cartacei in specie assegni bancari
SE8405562L (sv) Sjomerke