GB1301052A - Process for the encapsulation of substances which are finely distributed in a liquid - Google Patents

Process for the encapsulation of substances which are finely distributed in a liquid

Info

Publication number
GB1301052A
GB1301052A GB07054/71A GB1705471A GB1301052A GB 1301052 A GB1301052 A GB 1301052A GB 07054/71 A GB07054/71 A GB 07054/71A GB 1705471 A GB1705471 A GB 1705471A GB 1301052 A GB1301052 A GB 1301052A
Authority
GB
United Kingdom
Prior art keywords
particles
active
tenside
coats
aminoplast
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB07054/71A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1301052A publication Critical patent/GB1301052A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/18—In situ polymerisation with all reactants being present in the same phase
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/40—Chemically modified polycondensates
    • C08G12/42—Chemically modified polycondensates by etherifying
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/042—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds between the nitrogen-containing monomer and an aldehyde or ketone
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/043—Mannich bases
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2989—Microcapsule with solid core [includes liposome]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Color Printing (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
GB07054/71A 1970-05-26 1971-05-25 Process for the encapsulation of substances which are finely distributed in a liquid Expired GB1301052A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH781370 1970-05-26
CH669671A CH551216A (de) 1970-05-26 1971-05-06 Verfahren zur einkapselung von in einer fluessigkeit fein verteilter substanz.

Publications (1)

Publication Number Publication Date
GB1301052A true GB1301052A (en) 1972-12-29

Family

ID=25699997

Family Applications (2)

Application Number Title Priority Date Filing Date
GB07054/71A Expired GB1301052A (en) 1970-05-26 1971-05-25 Process for the encapsulation of substances which are finely distributed in a liquid
GB5139471A Expired GB1355124A (en) 1970-05-26 1971-11-04 Process for the encalsulation of a substance which is finely divided in a liquid

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5139471A Expired GB1355124A (en) 1970-05-26 1971-11-04 Process for the encalsulation of a substance which is finely divided in a liquid

Country Status (11)

Country Link
US (1) US3778383A (enExample)
AT (2) AT314482B (enExample)
AU (1) AU459334B2 (enExample)
BE (2) BE767594A (enExample)
CA (1) CA944630A (enExample)
CH (2) CH540715A (enExample)
DE (1) DE2147237C3 (enExample)
FR (2) FR2093646A5 (enExample)
GB (2) GB1301052A (enExample)
NL (2) NL7107178A (enExample)
SE (2) SE369581B (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915928A1 (de) * 1978-04-24 1979-10-25 Ciba Geigy Ag Carbazolylmethanverbindungen, ihre herstellung und verwendung als farbbildner in druckempfindlichen oder waermeempfindlichen aufzeichnungsmaterialien
EP0046415A1 (en) * 1980-08-20 1982-02-24 Kureha Kagaku Kogyo Kabushiki Kaisha Microcapsules for pressure-sensitive recording
EP0192328A1 (en) 1985-02-22 1986-08-27 Imperial Chemical Industries Plc Chromogenic compounds
US5362872A (en) * 1992-03-13 1994-11-08 Ciba-Geigy Corporation Chromogenic lactams
US5395948A (en) * 1992-03-17 1995-03-07 Ciba-Geigy Corporation Fluoran color formers

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002458A (en) * 1971-11-08 1977-01-11 Minnesota Mining And Manufacturing Company Controlled release capsules
US4308165A (en) * 1972-03-06 1981-12-29 Champion International Corporation Formation of microcapsules by interfacial cross-linking of emulsifier, and resulting microcapsules
CA1052195A (en) * 1974-09-12 1979-04-10 Moore Business Forms Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate
US4051628A (en) * 1975-11-12 1977-10-04 Hortigro, Inc. Apparatus for the improved dispensing of plant nutriments
GB1507739A (en) * 1975-11-26 1978-04-19 Wiggins Teape Ltd Capsules
US4344857A (en) * 1975-12-22 1982-08-17 The United States Of America As Represented By The Secretary Of Agriculture Encapsulation by entrapment
US4277364A (en) * 1975-12-22 1981-07-07 The United States Of America As Represented By The Secretary Of Agriculture Encapsulation by entrapment
US4151108A (en) * 1976-01-27 1979-04-24 Radiometer A/S Reference liquid for blood gas equipment
DE2830539A1 (de) * 1978-07-12 1980-01-24 Basf Ag Verfahren zur haertung von mikrokapseln
ZA811973B (en) * 1980-04-08 1982-04-28 Wiggins Teape Group Ltd Process for the production of microcapsules
JPS57110332A (en) * 1980-12-13 1982-07-09 Kanzaki Paper Mfg Co Ltd Preparation of microcapsule
JPS5882785A (ja) * 1981-11-12 1983-05-18 Kureha Chem Ind Co Ltd 感圧記録紙用微小カプセル及びその製造方法
JPS58124705A (ja) * 1982-01-18 1983-07-25 Kureha Chem Ind Co Ltd マイクロカプセル化農薬及びその製造方法
US4444699A (en) * 1982-04-20 1984-04-24 Appleton Papers Inc. Capsule manufacture
US4625027A (en) * 1982-10-25 1986-11-25 Ciba-Geigy Corporation Bisquinazolines useful in color former systems
US4528226A (en) * 1983-10-11 1985-07-09 Minnesota Mining And Manufacturing Co. Stretchable microfragrance delivery article
US4493869A (en) * 1983-10-11 1985-01-15 Minnesota Mining And Manufacturing Company Fragrance-releasing microcapsules on a see-through substrate
US4601863A (en) * 1984-02-09 1986-07-22 Kanzaki Paper Manufacturing Co., Ltd. Process for producing powder of microcapsules
US4520142A (en) * 1984-02-17 1985-05-28 Minnesota Mining And Manufacturing Company Aerosol application of encapsulated materials
ATE30522T1 (de) * 1984-03-30 1987-11-15 Stauffer Chemical Co Mikrokapseln und verfahren zur mikroeinkapselung.
EP0188807B2 (de) * 1984-12-24 1993-05-26 Papierfabrik August Koehler AG Verfahren zur Mikroverkapselung von Ölen mit darin gelösten Farbreaktionspartnern, danach hergestellte Mikrokapseln und deren Verwendung in Farbreaktionsaufzeichnungssystemen
US5089339A (en) * 1984-12-24 1992-02-18 Pietsch Guenter Aminoplast microencapsulation system
JPS62129141A (ja) * 1985-11-29 1987-06-11 Fuji Photo Film Co Ltd マイクロカプセルの製造方法
DE3709586C1 (de) * 1987-03-24 1988-07-14 Koehler August Papierfab Verfahren zur Mikroverkapselung von hydrophoben OElen,die danach erhaeltlichen Mikrokapseln und deren Verwendung
ES2017536T5 (es) * 1987-12-21 1995-08-01 Koehler August Papierfab Procedimiento para la fabricacion de microcapsulas, microcapsulas obtenidas y su utilizacion.
DE3743427C1 (en) * 1987-12-21 1989-02-09 Koehler August Papierfab Process for the microencapsulation of hydrophobic oils, the microcapsules obtainable thereby and their use
US5112541A (en) * 1988-01-29 1992-05-12 Idemitsu Kosan Company, Ltd. Microencapsulated lubricating fluids and additives and method of making same
US5160530A (en) * 1989-01-24 1992-11-03 Griffin Corporation Microencapsulated polymorphic agriculturally active material
US5461027A (en) * 1989-01-24 1995-10-24 Griffin Corporation Microencapsulated pendimethalin and method of making and using same
DE3942155C1 (enExample) * 1989-12-20 1991-03-21 Papierfabrik August Koehler Ag, 7602 Oberkirch, De
DE4006570C1 (enExample) * 1990-03-02 1991-05-23 Papierfabrik August Koehler Ag, 7602 Oberkirch, De
EP0532463B1 (de) * 1991-09-11 1997-02-26 Ciba-Geigy Ag Pestizidformulierungen
US5353820A (en) * 1992-02-06 1994-10-11 Gillette Canada Inc. Flavored dental cleaning article and method
IT1276525B1 (it) * 1994-04-13 1997-10-31 Webcraft Technologies Inc Dispositivo e procedimento per la esposizione selettiva di liquidi microincapsulati.
US5680876A (en) * 1995-06-01 1997-10-28 Gillette Canada Inc. Floss brush manufacture and product
TW561064B (en) * 1998-03-05 2003-11-11 Sumitomo Chemical Co Method for microencapsulating of a solid substance
JPH11322587A (ja) * 1998-05-18 1999-11-24 Sumitomo Chem Co Ltd 常温で固体の生理活性物質のマイクロカプセル化方法およびこの方法により得られるマイクロカプセル組成物
AU7421201A (en) * 2000-06-05 2001-12-17 Syngenta Limited Novel emulsions
DE10049777A1 (de) * 2000-10-09 2002-04-18 Fraunhofer Ges Forschung Mit einem Aminoplast mikroverkapselte Feststoffe und Verfahren zu deren Herstellung
US20050044819A1 (en) * 2003-09-02 2005-03-03 Chomik Richard S. Waste storage device
US7617659B2 (en) 2001-05-02 2009-11-17 Playtex Products, Inc. Waste disposal device including a cartridge movable by rollers
US7708188B2 (en) * 2001-05-02 2010-05-04 Playtex Products, Inc. Waste disposal device including a hamper accessible through a movable door
US7316100B2 (en) * 2001-05-02 2008-01-08 Playtex Products, Inc. Waste disposal device including a film cutting and sealing device
US7503159B2 (en) 2001-05-02 2009-03-17 Playtex Products, Inc. Waste disposal device including an external actuation mechanism to operate a cartridge
US7958704B2 (en) * 2001-05-02 2011-06-14 Playtex Products, Inc. Waste disposal device including a mechanism for scoring a flexible tubing dispensed from a cartridge
US7434377B2 (en) * 2001-05-02 2008-10-14 Playtex Products, Inc. Waste disposal device including a rotatable geared rim to operate a cartridge
US7694493B2 (en) * 2001-05-02 2010-04-13 Playtex Products, Inc. Waste disposal device including a geared rotating cartridge
US7712285B2 (en) * 2001-05-02 2010-05-11 Playtex Products, Inc. Waste disposal device including a sensing mechanism for delaying the rotation of a cartridge
US20050193692A1 (en) * 2001-05-02 2005-09-08 Playtex Products, Inc. Waste disposal device including rotating cartridge coupled to hinged lid
US8091325B2 (en) * 2001-05-02 2012-01-10 Playtex Products, Inc. Waste disposal device including a diaphragm for twisting a flexible tubing dispensed from a cartridge
US7503152B2 (en) * 2001-05-02 2009-03-17 Playtex Products, Inc. Waste disposal device including rotating cartridge coupled to lid
TW200303762A (en) * 2002-03-02 2003-09-16 Merck Patent Gmbh Platelet-shaped effect pigments with a coating of melamine-formaldehyde resins
CA2482587C (en) * 2002-04-17 2011-09-06 Playtex Products, Inc. Odor transmission-resistant polymeric film
US20030216488A1 (en) 2002-04-18 2003-11-20 The Procter & Gamble Company Compositions comprising a dispersant and microcapsules containing an active material
AR040093A1 (es) * 2002-05-21 2005-03-16 Procter & Gamble Composicion limpiadora que comprende perlas suspendidas
US20030224030A1 (en) 2002-05-23 2003-12-04 Hirotaka Uchiyama Methods and articles for reducing airborne particulates
US7207526B2 (en) * 2002-06-26 2007-04-24 Mccarthy Peter T High efficiency tip vortex reversal and induced drag reduction
US6925781B1 (en) 2004-02-03 2005-08-09 Playtex Products, Inc. Integrated cutting tool for waste disposal method and apparatus
US7717261B2 (en) * 2005-06-10 2010-05-18 Philip Morris Usa Inc. Hinge lid aroma pack
BRPI0613860A2 (pt) 2005-07-25 2011-02-15 Ciba Sc Holding Ag revestimentos aquosos e transparentes para marcação de substratos
US20070098148A1 (en) * 2005-10-14 2007-05-03 Sherman Kenneth N Aroma releasing patch on mobile telephones
GB0609772D0 (en) * 2006-05-17 2006-06-28 Zone Innovation Ltd Applications of encapsulated oil emulsions and method of preparation therefor
US20080090942A1 (en) * 2006-05-31 2008-04-17 George Hovorka Tamper evident paint having microcapsules containing signal indicators
PH12009502370B1 (enExample) 2007-06-11 2017-01-31
US20100239642A1 (en) * 2007-07-18 2010-09-23 Ciba Corporation Coating compositions
CA2693892A1 (en) * 2007-07-18 2009-01-22 Jonathan Campbell Laser-sensitive coating formulation
DE202007010668U1 (de) * 2007-07-30 2008-12-18 Follmann & Co. Gesellschaft Für Chemie-Werkstoffe Und -Verfahrenstechnik Mbh & Co. Kg Verbesserte Mikrokapseln
RU2011120235A (ru) 2008-10-23 2012-11-27 Дейталейз Лимитед Теплопоглощающие добавки
WO2010049282A1 (en) 2008-10-27 2010-05-06 Basf Se Coating composition for marking substrates
US8951708B2 (en) 2013-06-05 2015-02-10 Xerox Corporation Method of making toners
WO2016149148A1 (en) 2015-03-17 2016-09-22 3M Innovative Properties Company Solventless anti-corrosion composition and methods of using the same
US20170260687A1 (en) * 2016-03-10 2017-09-14 Jiangsu Xinkaisheng Enterprise Development Co., Ltd. Dyeing and Finishing Method for Linen Cotton Textile Fabric with High-shrinkage
EP3541355B1 (en) 2016-11-21 2023-06-07 Bell Flavors And Fragrances, Inc. Malodor counteractant composition and methods

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915928A1 (de) * 1978-04-24 1979-10-25 Ciba Geigy Ag Carbazolylmethanverbindungen, ihre herstellung und verwendung als farbbildner in druckempfindlichen oder waermeempfindlichen aufzeichnungsmaterialien
EP0046415A1 (en) * 1980-08-20 1982-02-24 Kureha Kagaku Kogyo Kabushiki Kaisha Microcapsules for pressure-sensitive recording
US4670344A (en) * 1980-08-20 1987-06-02 Kureha Kagaku Kogyo Kabushiki Kaisha Microcapsule for pressure-sensitive recording paper and process of preparing same
EP0192328A1 (en) 1985-02-22 1986-08-27 Imperial Chemical Industries Plc Chromogenic compounds
US5362872A (en) * 1992-03-13 1994-11-08 Ciba-Geigy Corporation Chromogenic lactams
US5395948A (en) * 1992-03-17 1995-03-07 Ciba-Geigy Corporation Fluoran color formers

Also Published As

Publication number Publication date
CH551216A (de) 1974-07-15
BE767594A (fr) 1971-11-25
NL7113605A (enExample) 1972-11-08
GB1355124A (en) 1974-06-05
DE2147237B2 (de) 1977-07-07
CH540715A (de) 1973-10-15
SE369581B (enExample) 1974-09-09
FR2093646A5 (enExample) 1972-01-28
AT314482B (de) 1974-04-10
DE2124525B2 (de) 1976-06-10
FR2114380A6 (enExample) 1972-06-30
NL7107178A (enExample) 1971-11-30
BE774256R (fr) 1972-04-21
AT321867B (de) 1975-04-25
DE2124525A1 (de) 1971-12-09
US3778383A (en) 1973-12-11
DE2147237C3 (de) 1978-03-02
SE378529B (enExample) 1975-09-08
AU3561371A (en) 1973-05-17
CA944630A (en) 1974-04-02
AU459334B2 (en) 1975-03-20
DE2147237A1 (de) 1972-11-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee