ZA728740B - A method of encapsulation by coacervation and the substances obtained - Google Patents
A method of encapsulation by coacervation and the substances obtainedInfo
- Publication number
- ZA728740B ZA728740B ZA728740A ZA728740A ZA728740B ZA 728740 B ZA728740 B ZA 728740B ZA 728740 A ZA728740 A ZA 728740A ZA 728740 A ZA728740 A ZA 728740A ZA 728740 B ZA728740 B ZA 728740B
- Authority
- ZA
- South Africa
- Prior art keywords
- coacervation
- encapsulation
- substances obtained
- substances
- Prior art date
Links
Classifications
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/487—Polyethers containing cyclic groups
- C08G18/4879—Polyethers containing cyclic groups containing aromatic groups
-
- 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
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
-
- 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]
-
- 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.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
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)
- Manufacturing Of Micro-Capsules (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7147022A FR2166508A5 (xx) | 1971-12-28 | 1971-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA728740B true ZA728740B (en) | 1973-11-28 |
Family
ID=9088229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA728740A ZA728740B (en) | 1971-12-28 | 1972-12-11 | A method of encapsulation by coacervation and the substances obtained |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3878121A (xx) |
| JP (1) | JPS4873377A (xx) |
| AU (1) | AU467601B2 (xx) |
| BE (1) | BE792222A (xx) |
| CA (1) | CA983788A (xx) |
| CH (1) | CH563187A5 (xx) |
| DE (1) | DE2261492C3 (xx) |
| ES (1) | ES410061A1 (xx) |
| FR (1) | FR2166508A5 (xx) |
| GB (1) | GB1378339A (xx) |
| IT (1) | IT980995B (xx) |
| LU (1) | LU66591A1 (xx) |
| NL (1) | NL7217743A (xx) |
| ZA (1) | ZA728740B (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4634479A (en) * | 1984-06-08 | 1987-01-06 | Sundstrand Corporation | Power source utilizing encapsulated lithium pellets and method of making such pellets |
| US4758288A (en) * | 1987-06-08 | 1988-07-19 | Ronald T. Dodge Co. | Encapsulated lithium granules and method of manufacture |
| US5030301A (en) * | 1990-09-28 | 1991-07-09 | Honeywell, Inc. | Oxidizer coated metal fuels with means to prevent auto-ignition |
| US5599866A (en) * | 1993-09-07 | 1997-02-04 | Staadecker; Bert | Metal-containing latex paint |
| US5879079A (en) * | 1997-08-20 | 1999-03-09 | The United States Of America As Represented By The Administrator, Of The National Aeronautics And Space Administration | Automated propellant blending |
| US6568398B2 (en) | 2001-03-07 | 2003-05-27 | Edgar C. Cohen | Method for hemostasis |
| DE10117784A1 (de) * | 2001-04-10 | 2002-10-17 | Bayer Ag | Mikrokapseln |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2513997A (en) * | 1948-06-30 | 1950-07-04 | Metal Hydrides Inc | Coated metal hydride |
| US3242051A (en) * | 1958-12-22 | 1966-03-22 | Ncr Co | Coating by phase separation |
| US3173878A (en) * | 1960-02-26 | 1965-03-16 | Ibm | Process of making microcapsules |
| US3415758A (en) * | 1960-03-09 | 1968-12-10 | Ncr Co | Process of forming minute capsules en masse |
| US3441455A (en) * | 1961-01-13 | 1969-04-29 | Continental Oil Co | Encapsulated propellants and method for their preparation from fluorinated monomers using radiation |
| US3577515A (en) * | 1963-12-13 | 1971-05-04 | Pennwalt Corp | Encapsulation by interfacial polycondensation |
-
1971
- 1971-12-28 FR FR7147022A patent/FR2166508A5/fr not_active Expired
-
1972
- 1972-12-01 BE BE792222D patent/BE792222A/xx unknown
- 1972-12-04 LU LU66591A patent/LU66591A1/xx unknown
- 1972-12-07 CH CH1783572A patent/CH563187A5/xx not_active IP Right Cessation
- 1972-12-07 US US312932A patent/US3878121A/en not_active Expired - Lifetime
- 1972-12-08 CA CA158,511A patent/CA983788A/en not_active Expired
- 1972-12-11 ZA ZA728740A patent/ZA728740B/xx unknown
- 1972-12-12 IT IT54658/72A patent/IT980995B/it active
- 1972-12-12 GB GB5731972A patent/GB1378339A/en not_active Expired
- 1972-12-14 AU AU50044/72A patent/AU467601B2/en not_active Expired
- 1972-12-15 DE DE2261492A patent/DE2261492C3/de not_active Expired
- 1972-12-27 JP JP47130121A patent/JPS4873377A/ja active Pending
- 1972-12-27 ES ES410061A patent/ES410061A1/es not_active Expired
- 1972-12-28 NL NL7217743A patent/NL7217743A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ES410061A1 (es) | 1976-01-01 |
| FR2166508A5 (xx) | 1973-08-17 |
| US3878121A (en) | 1975-04-15 |
| JPS4873377A (xx) | 1973-10-03 |
| CA983788A (en) | 1976-02-17 |
| BE792222A (fr) | 1973-06-01 |
| AU467601B2 (en) | 1975-12-04 |
| DE2261492B2 (de) | 1977-11-24 |
| DE2261492A1 (de) | 1973-07-26 |
| GB1378339A (en) | 1974-12-27 |
| AU5004472A (en) | 1974-06-20 |
| NL7217743A (xx) | 1973-07-02 |
| DE2261492C3 (de) | 1978-07-13 |
| IT980995B (it) | 1974-10-10 |
| LU66591A1 (xx) | 1974-07-05 |
| CH563187A5 (xx) | 1975-06-30 |
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