GB1034437A - Preparation of microcapsules - Google Patents

Preparation of microcapsules

Info

Publication number
GB1034437A
GB1034437A GB6860/63A GB686063A GB1034437A GB 1034437 A GB1034437 A GB 1034437A GB 6860/63 A GB6860/63 A GB 6860/63A GB 686063 A GB686063 A GB 686063A GB 1034437 A GB1034437 A GB 1034437A
Authority
GB
United Kingdom
Prior art keywords
gelatin
derivative
encapsulated
dispersion
dispersed
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
GB6860/63A
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Publication of GB1034437A publication Critical patent/GB1034437A/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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • 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
    • B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/388—Processes for the incorporation in the emulsion of substances liberating photographically active agents or colour-coupling substances; Solvents therefor
    • 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]
    • 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)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
GB6860/63A 1962-02-20 1963-02-20 Preparation of microcapsules Expired GB1034437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL275045 1962-02-20

Publications (1)

Publication Number Publication Date
GB1034437A true GB1034437A (en) 1966-06-29

Family

ID=19753626

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6860/63A Expired GB1034437A (en) 1962-02-20 1963-02-20 Preparation of microcapsules

Country Status (7)

Country Link
US (1) US3328257A (US06521211-20030218-C00004.png)
AT (1) AT242668B (US06521211-20030218-C00004.png)
BE (1) BE628650A (US06521211-20030218-C00004.png)
CH (1) CH439229A (US06521211-20030218-C00004.png)
DE (1) DE1222019B (US06521211-20030218-C00004.png)
GB (1) GB1034437A (US06521211-20030218-C00004.png)
NL (2) NL275045A (US06521211-20030218-C00004.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396026A (en) * 1963-03-25 1968-08-06 Polaroid Corp Photographic capsular products
US3492380A (en) * 1967-03-07 1970-01-27 Pennwalt Corp Process for encapsulation
US3676363A (en) * 1969-09-04 1972-07-11 Benjamin Mosier Production of weighted microcapsular materials
JPS5116488B1 (US06521211-20030218-C00004.png) * 1969-09-29 1976-05-25
US3627693A (en) * 1970-01-28 1971-12-14 Ncr Co Layered capsule walls and a method for manufacturing them
US3944502A (en) * 1970-08-06 1976-03-16 Fuji Photo Film Co., Ltd. Process for preparing microcapsules containing hydrophobic oil drops
BE788762A (fr) * 1971-09-13 1973-01-02 Fuji Photo Film Co Ltd Procede de production de microcapsules
US4003846A (en) * 1973-11-16 1977-01-18 Ciba-Geigy Corporation Process for the encapsulating of substances immiscible with water
JPS5318182B2 (US06521211-20030218-C00004.png) * 1973-12-18 1978-06-13
US4187193A (en) * 1974-09-24 1980-02-05 Champion International Corporation Micro-capsules containing ureido fluoran chromogenic compounds
US4104437A (en) * 1974-09-24 1978-08-01 Champion International Corporation Pressure-sensitive copy system including ureido fluoran chromogenic compounds
DE3022453A1 (de) * 1980-06-14 1982-01-07 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von mikrokapseln

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE484325A (US06521211-20030218-C00004.png) * 1947-08-13
BE502544A (US06521211-20030218-C00004.png) * 1950-04-15
BE530008A (US06521211-20030218-C00004.png) * 1953-06-30
US3016308A (en) * 1957-08-06 1962-01-09 Moore Business Forms Inc Recording paper coated with microscopic capsules of coloring material, capsules and method of making
US3069370A (en) * 1958-12-22 1962-12-18 Upjohn Co Coacervation process for encapsulation of lipophilic materials
NL246534A (US06521211-20030218-C00004.png) * 1958-12-22
GB929227A (en) * 1958-12-22 1963-06-19 Upjohn Co Encapsulated emulsions and processes for their preparation
NL129921C (US06521211-20030218-C00004.png) * 1958-12-31
NL125294C (US06521211-20030218-C00004.png) * 1959-01-02 1900-01-01

Also Published As

Publication number Publication date
NL128863C (US06521211-20030218-C00004.png)
BE628650A (US06521211-20030218-C00004.png)
CH439229A (de) 1967-07-15
AT242668B (de) 1965-09-27
DE1222019B (de) 1966-08-04
NL275045A (US06521211-20030218-C00004.png)
US3328257A (en) 1967-06-27

Similar Documents

Publication Publication Date Title
GB1034437A (en) Preparation of microcapsules
US4514493A (en) Heat-developable light-sensitive material with base precursor particles
GB929401A (en) Encapsulated emulsions and processes for their preparation
Luzzi et al. Effects of selected variables on the extractability of oils from coacervate capsules
US3201353A (en) Micro-inclusions and method of making same
GB1048697A (en) Method for encapsulating water and compounds in aqueous phase
GB540525A (en) Improvements in and relating to sensitive photographic materials
ES8105371A1 (es) Un procedimiento para encapsular un agente anti-suciedad.
GB1059369A (en) Colour photography and dye mordanting compositions therefor
GB1038337A (en) Improvements in light-sensitive photothermographic materials
GB929403A (en) Encapsulated emulsions and processes for their preparation
US3396026A (en) Photographic capsular products
GB687751A (en) Process and material for the direct production of positive photographic images
GB1518568A (en) Process for the preparation of concentrated suspensions of pesticides
GB971940A (en) Photographic material
GB1361859A (en) Preparation of oil-containing microcapsules
GB1358157A (en) Preparation of mixtures
US3773539A (en) Method of preparing light-sensitive photographic material with manganese dioxide layer
US3684511A (en) Method of forming vesicular images with peroxidase active,iodide ions generating compounds
US3642514A (en) Pressure-sensitive copying sheet utilizing stabilized crystal violet lactone, method of making and method of making composition
IE35655B1 (en) Process for the production of microcapsules containing hydrophobic oil drops
GB1478449A (en) Process for dispersing finely divided particles in an aqueous medium
GB952339A (en) Improvements in photographic colour processing
US3291608A (en) Enhanced activity of nuclei for physical development
GB935922A (en) Stabilizers for one-component diazotype materials