GB1357419A - Process for microencapsulating hydrophobic oil droplets - Google Patents
Process for microencapsulating hydrophobic oil dropletsInfo
- Publication number
- GB1357419A GB1357419A GB1850671A GB1850671A GB1357419A GB 1357419 A GB1357419 A GB 1357419A GB 1850671 A GB1850671 A GB 1850671A GB 1850671 A GB1850671 A GB 1850671A GB 1357419 A GB1357419 A GB 1357419A
- Authority
- GB
- United Kingdom
- Prior art keywords
- microcapsules
- june
- added
- oil droplets
- hydrophobic oil
- 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
Links
- 230000002209 hydrophobic effect Effects 0.000 title 1
- 239000003094 microcapsule Substances 0.000 abstract 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
- 101100234822 Caenorhabditis elegans ltd-1 gene Proteins 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 235000010724 Wisteria floribunda Nutrition 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 238000005354 coacervation Methods 0.000 abstract 1
- 239000000084 colloidal system Substances 0.000 abstract 1
- 239000007859 condensation product Substances 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
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
- 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
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
- Y10T428/249995—Constituent is in liquid form
- Y10T428/249997—Encapsulated liquid
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45047036A JPS5034512B1 (enExample) | 1970-06-01 | 1970-06-01 | |
| DE2135681A DE2135681C3 (de) | 1970-06-01 | 1971-07-16 | Verfahren zur Herstellung von öltropfchen enthaltenden Mikrokapseln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1357419A true GB1357419A (en) | 1974-06-19 |
Family
ID=25761449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1850671A Expired GB1357419A (en) | 1970-06-01 | 1971-06-01 | Process for microencapsulating hydrophobic oil droplets |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3847832A (enExample) |
| BE (1) | BE767934A (enExample) |
| CA (1) | CA948934A (enExample) |
| DE (1) | DE2135681C3 (enExample) |
| FR (1) | FR2095768A5 (enExample) |
| GB (1) | GB1357419A (enExample) |
| IE (1) | IE35322B1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1036874A (en) * | 1973-07-09 | 1978-08-22 | Julia M. Alston | Method of employing encapsulated material |
| US4563212A (en) * | 1983-12-27 | 1986-01-07 | Monsanto Company | High concentration encapsulation by interfacial polycondensation |
| AU2005238046A1 (en) * | 2004-04-21 | 2005-11-10 | E.I. Du Pont De Nemours And Company | Encapsulation of oils by coacervation |
-
1971
- 1971-06-01 FR FR7119834A patent/FR2095768A5/fr not_active Expired
- 1971-06-01 IE IE704/71A patent/IE35322B1/xx unknown
- 1971-06-01 US US14890271 patent/US3847832A/en not_active Expired - Lifetime
- 1971-06-01 BE BE767934A patent/BE767934A/xx unknown
- 1971-06-01 CA CA114,676A patent/CA948934A/en not_active Expired
- 1971-06-01 GB GB1850671A patent/GB1357419A/en not_active Expired
- 1971-07-16 DE DE2135681A patent/DE2135681C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2135681A1 (de) | 1973-02-01 |
| CA948934A (en) | 1974-06-11 |
| US3847832A (en) | 1974-11-12 |
| FR2095768A5 (enExample) | 1972-02-11 |
| IE35322B1 (en) | 1976-01-07 |
| DE2135681C3 (de) | 1979-05-10 |
| DE2135681B2 (de) | 1978-09-07 |
| BE767934A (fr) | 1971-11-03 |
| IE35322L (en) | 1971-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |