CH496471A - Procédé de préparation en masse de capsules minuscules à parois polymères - Google Patents

Procédé de préparation en masse de capsules minuscules à parois polymères

Info

Publication number
CH496471A
CH496471A CH1475067A CH1475067A CH496471A CH 496471 A CH496471 A CH 496471A CH 1475067 A CH1475067 A CH 1475067A CH 1475067 A CH1475067 A CH 1475067A CH 496471 A CH496471 A CH 496471A
Authority
CH
Switzerland
Prior art keywords
gelatin
capsules
water
substance
walls
Prior art date
Application number
CH1475067A
Other languages
English (en)
French (fr)
Original Assignee
Ncr Co
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 Ncr Co filed Critical Ncr Co
Publication of CH496471A publication Critical patent/CH496471A/fr

Links

Classifications

    • 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
    • B01J13/10—Complex coacervation, i.e. interaction of oppositely charged particles
    • 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.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • Y10T428/2987—Addition polymer from unsaturated monomers only
    • 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)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
CH1475067A 1966-10-28 1967-10-20 Procédé de préparation en masse de capsules minuscules à parois polymères CH496471A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59021866A 1966-10-28 1966-10-28

Publications (1)

Publication Number Publication Date
CH496471A true CH496471A (fr) 1970-09-30

Family

ID=24361334

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1475067A CH496471A (fr) 1966-10-28 1967-10-20 Procédé de préparation en masse de capsules minuscules à parois polymères

Country Status (9)

Country Link
US (1) US3494872A (enExample)
JP (1) JPS4822586B1 (enExample)
AT (2) AT286938B (enExample)
BE (1) BE705588A (enExample)
CH (1) CH496471A (enExample)
FR (1) FR1560290A (enExample)
GB (1) GB1139964A (enExample)
NL (2) NL6714656A (enExample)
SE (1) SE336118B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28779E (en) * 1968-08-03 1976-04-20 Fuji Photo Film Co., Ltd. Oil-containing microcapsules and method for their production
US3970585A (en) * 1969-06-05 1976-07-20 Fuji Photo Film Co., Ltd. Process for preparing oil-containing microcapsules
US4280833A (en) * 1979-03-26 1981-07-28 Monsanto Company Encapsulation by interfacial polycondensation, and aqueous herbicidal composition containing microcapsules produced thereby
DK0465238T3 (da) * 1990-07-04 1994-05-02 Shionogi & Co Fremgangsmåde til fremstilling af ikke-kohæsive overtræk
JPH07502732A (ja) * 1991-12-20 1995-03-23 ザ、プロクター、エンド、ギャンブル、カンパニー 香料カプセル組成物の製造方法
US5849412A (en) * 1995-02-17 1998-12-15 Medlogic Global Corporation Encapsulated materials
US5932285A (en) * 1995-02-17 1999-08-03 Medlogic Global Corporation Encapsulated materials
US9656233B2 (en) * 2015-01-16 2017-05-23 Encapsys, Llc Reversible microcapsule filter cake
CN109772241A (zh) * 2019-02-14 2019-05-21 安庆北化大科技园有限公司 一种纳米级木质素基微球及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527267A (en) * 1944-10-30 1950-10-24 Ilford Ltd Photographic layers containing gelatin-sulfonic acid complexes, and their preparation
US2886445A (en) * 1958-12-08 1959-05-12 Gen Foods Corp Process for making chewing gum and product
US3069370A (en) * 1958-12-22 1962-12-18 Upjohn Co Coacervation process for encapsulation of lipophilic materials
US3043782A (en) * 1958-12-22 1962-07-10 Upjohn Co Process for preparing a more impermeable coating by liquid-liquid phase separation

Also Published As

Publication number Publication date
BE705588A (enExample) 1968-03-01
AT281760B (de) 1970-06-10
AT286938B (de) 1970-12-28
GB1139964A (en) 1969-01-15
US3494872A (en) 1970-02-10
DE1619800B2 (de) 1973-01-25
SE336118B (enExample) 1971-06-28
FR1560290A (enExample) 1969-03-21
NL136382C (enExample)
DE1619800A1 (de) 1970-08-27
NL6714656A (enExample) 1968-04-29
JPS4822586B1 (enExample) 1973-07-06

Similar Documents

Publication Publication Date Title
Jiang et al. All‐silica submicrometer colloidosomes for cargo protection and tunable release
EP0618001B1 (fr) Procédé de préparation de sphérules de principes actifs
CH625136A5 (enExample)
FR2801811A1 (fr) Procede de fabrication de microcapsules portant des charges cationiques
EP4010110B1 (fr) Procédé de fabrication de microcapsules renfermant un actif lipophile, microcapsules préparées par ce procédé et leur utilisation
FR2503579A1 (fr) Procede pour l'incorporation d'additifs finement divises sur la surface des parois de microcapsules
EP1590077A2 (fr) Systemes pour microencapsulation et leurs applications
EP0059949B2 (fr) Procédé d'obtention de microcapsules isodiamétrales à diamètre réglé
EP3600641A1 (fr) Procédé de préparation de capsules comprenant au moins une substance hydrosoluble ou hydrophile et capsules obtenues
US3712867A (en) Process for the production of microcapsules with the aid of synthetic coacervates and microcapsules produced thereby
US3494872A (en) Manufacture of minute capsules,en masse,and dewatering their walls
FR2732240A1 (fr) Procede de microencapsulation par coacervation complexe a temperature ambiante
FR2718059A1 (fr) Procédé de production de microcapsules à fort taux d'extrait sec contenant un liquide hydrophobe, microcapsules obtenues par ledit procédé et procédé d'obtention d'un papier sensible à la pression à l'aide de ces microcapsules.
FR2495956A1 (fr) Procede de production de microcapsules, produit obtenu et son application a la realisation de feuille a copier
Wang et al. Preparation of lignin microcapsules via interfacial crosslinking using deep eutectic solution to dissolve lignin
EP0412025B1 (fr) Procédé d'encapsulation et libération d'une matière active et micro-capsules obtenues
EP0463926B1 (fr) Procédé perfectionné pour la fabrication de microcapsules contenant des liquides hydrophobes, microcapsules et leur utilisation dans les papiers autocopiants
CH438225A (fr) Procédé d'enrobage de matières pulvérulentes
CH406153A (fr) Procédé de fabrication de capsules
JP3489033B2 (ja) マイクロカプセルおよびその製造法
BE741741A (en) Microencapsulation
CH506094A (fr) Procédé pour colorer de façon non diffusible des couches photographiques au moyen d'un mordant à poids moléculaire élevé
FR2460209A1 (fr) Support d'enregistrement, notamment feuille d'inscription, et procede de fabrication d'une composition chromogene d'enduction associee a un tel support
FR2792322A1 (fr) Procede de fixation sur des particules minerales, en particulier talc, mica ou pyrophyllite, de molecules organiques de type quinonique ou indolique, notamment molecules de colorant organique
USRE10469E (en) Treating and molding pyroxyline

Legal Events

Date Code Title Description
PL Patent ceased