CH395033A - Verfahren zur Verminderung der Durchlässigkeit von Überzügen - Google Patents

Verfahren zur Verminderung der Durchlässigkeit von Überzügen

Info

Publication number
CH395033A
CH395033A CH8206359A CH8206359A CH395033A CH 395033 A CH395033 A CH 395033A CH 8206359 A CH8206359 A CH 8206359A CH 8206359 A CH8206359 A CH 8206359A CH 395033 A CH395033 A CH 395033A
Authority
CH
Switzerland
Prior art keywords
coatings
permeability
reducing
Prior art date
Application number
CH8206359A
Other languages
English (en)
Inventor
Hugo Jensen Erik
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 CH395033A publication Critical patent/CH395033A/de

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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P10/00—Shaping or working of foodstuffs characterised by the products
    • A23P10/30—Encapsulation of particles, e.g. foodstuff additives
    • 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
    • A61K9/5089—Processes
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
CH8206359A 1958-12-22 1959-12-19 Verfahren zur Verminderung der Durchlässigkeit von Überzügen CH395033A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US781933A US3043782A (en) 1958-12-22 1958-12-22 Process for preparing a more impermeable coating by liquid-liquid phase separation

Publications (1)

Publication Number Publication Date
CH395033A true CH395033A (de) 1965-07-15

Family

ID=25124425

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8206359A CH395033A (de) 1958-12-22 1959-12-19 Verfahren zur Verminderung der Durchlässigkeit von Überzügen

Country Status (4)

Country Link
US (1) US3043782A (de)
CH (1) CH395033A (de)
DE (1) DE1157588B (de)
GB (1) GB930422A (de)

Families Citing this family (124)

* Cited by examiner, † Cited by third party
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US3401123A (en) * 1961-03-15 1968-09-10 Ncr Co Process for making case-hardened capsules and its capsule product
NL277911A (de) * 1961-05-04
US3247066A (en) * 1962-09-12 1966-04-19 Parke Davis & Co Controlled release dosage form containing water-swellable beadlet
US3282790A (en) * 1963-05-31 1966-11-01 Upjohn Co Enteric coated tablet
US3418250A (en) * 1965-10-23 1968-12-24 Us Plywood Champ Papers Inc Microcapsules, process for their formation and transfer sheet record material coated therewith
US3418656A (en) * 1965-10-23 1968-12-24 Us Plywood Champ Papers Inc Microcapsules, process for their formation and transfer sheet record material coated therewith
NL136382C (de) * 1966-10-28
US3516943A (en) * 1966-12-06 1970-06-23 Ncr Co Replacement of capsule contents by diffusion
GB1202341A (en) * 1968-03-06 1970-08-12 Ncr Co Process for treating microcapsules with polymer shells
US3627693A (en) * 1970-01-28 1971-12-14 Ncr Co Layered capsule walls and a method for manufacturing them
US3959457A (en) * 1970-06-05 1976-05-25 Temple University Microparticulate material and method of making such material
US3855146A (en) * 1971-03-03 1974-12-17 Fuji Photo Film Co Ltd Process for preparing microscopic capsules containing hydrophobic oil droplets therein
US3859229A (en) * 1971-07-02 1975-01-07 Ncr Co Production of pressure-rupturable hydrophilic-walled microcapsules having water-soluble color-forming reactant material in solution in the core
US4027048A (en) * 1971-12-30 1977-05-31 Xerox Corporation Electrostatographic development
BE792115A (fr) * 1971-12-30 1973-05-30 Xerox Corp Revelateur electrostatographique
JPS5210427B2 (de) * 1972-07-19 1977-03-24
US4082688A (en) * 1972-12-14 1978-04-04 Ncr Corporation Process for producing microcapsules
DE2309202A1 (de) * 1973-02-21 1974-08-29 Schering Ag Arzneiformen mit mikroverkapseltem arzneimittelwirkstoff
US3925560A (en) * 1973-05-14 1975-12-09 Commw Scient Ind Res Org Feed supplements for ruminants comprising lipid encapsulated with protein-aldehyde reaction product
JPS5318182B2 (de) * 1973-12-18 1978-06-13
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US4042718A (en) * 1975-12-22 1977-08-16 Commonwealth Scientific And Industrial Research Organization Method for manufacturing ruminant feed supplements comprising a protein-aldehyde complex
US4956300A (en) * 1982-01-05 1990-09-11 Helena Laboratories Corporation Aid for determining the presence of occult blood, method of making the aid, and method of using the aid
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US4608278A (en) * 1983-06-22 1986-08-26 The Ohio State University Research Foundation Small particule formation and encapsulation
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EP0224214B1 (de) 1985-11-21 1993-01-27 Fuji Photo Film Co., Ltd. Lichtempfindliche Mikrokapsel, die Silberhalogenid und eine polymerisierbare Verbindung enthält und lichtempfindliches Material, das diese gebraucht
JPH0619570B2 (ja) 1986-02-07 1994-03-16 富士写真フイルム株式会社 感光材料
US5081040A (en) * 1987-06-29 1992-01-14 Helena Laboratories Corporation Composition and kit for testing for occult blood in human and animal excretions, fluids, or tissue matrixes
US5461027A (en) * 1989-01-24 1995-10-24 Griffin Corporation Microencapsulated pendimethalin and method of making and using same
US5160530A (en) * 1989-01-24 1992-11-03 Griffin Corporation Microencapsulated polymorphic agriculturally active material
US5196167A (en) * 1989-04-04 1993-03-23 Helena Laboratories Corporation Fecal occult blood test product with positive and negative controls
US5217874A (en) * 1989-04-04 1993-06-08 Helena Laboratories Corporation Fecal occult blood test product with positive and negative controls
US5057594A (en) * 1989-08-17 1991-10-15 Eastman Kodak Company Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
DE69104836T2 (de) * 1990-06-28 1995-03-30 The Upjohn Co., Kalamazoo, Mich. Mit gelatine überzogene arzneimittel sowie verfahren zu deren herstellung.
JP2639748B2 (ja) * 1990-10-31 1997-08-13 富士写真フイルム株式会社 感光性エレメントおよびその製造法
GB9107628D0 (en) * 1991-04-10 1991-05-29 Moonbrook Limited Preparation of diagnostic agents
TW333456B (en) * 1992-12-07 1998-06-11 Takeda Pharm Ind Co Ltd A pharmaceutical composition of sustained-release preparation the invention relates to a pharmaceutical composition of sustained-release preparation which comprises a physiologically active peptide.
JPH06324511A (ja) * 1993-05-14 1994-11-25 Brother Ind Ltd 感光性マイクロカプセル型トナー
JP3362745B2 (ja) * 1993-07-28 2003-01-07 ブラザー工業株式会社 感光性マイクロカプセル型トナー
US5959073A (en) * 1997-07-07 1999-09-28 Southwest Research Institute Method for preparing polymeric beads
FR2823450B1 (fr) * 2001-04-12 2004-08-27 Rhodia Chimie Sa Suspension obtenue a partir d'une emulsion multiple comprenant un compose hydrophobe solide a temperature ambiante et granules obtenus par sechage de la suspension
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Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800457A (en) * 1953-06-30 1957-07-23 Ncr Co Oil-containing microscopic capsules and method of making them

Also Published As

Publication number Publication date
US3043782A (en) 1962-07-10
GB930422A (en) 1963-07-03
DE1157588B (de) 1963-11-21

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