GB1292408A - Minute capsules and method of preparation thereof - Google Patents
Minute capsules and method of preparation thereofInfo
- Publication number
- GB1292408A GB1292408A GB00393/71A GB1039371A GB1292408A GB 1292408 A GB1292408 A GB 1292408A GB 00393/71 A GB00393/71 A GB 00393/71A GB 1039371 A GB1039371 A GB 1039371A GB 1292408 A GB1292408 A GB 1292408A
- Authority
- GB
- United Kingdom
- Prior art keywords
- microcapsules
- polyhydric alcohol
- aqueous solution
- water
- particles
- 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
- 239000002775 capsule Substances 0.000 title abstract 2
- 239000003094 microcapsule Substances 0.000 abstract 3
- 150000005846 sugar alcohols Polymers 0.000 abstract 3
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- -1 Al 2 (SO 4 ) 3 Chemical class 0.000 abstract 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 abstract 1
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- 239000001828 Gelatine Substances 0.000 abstract 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000002202 Polyethylene glycol Substances 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000011162 core material Substances 0.000 abstract 1
- UFULAYFCSOUIOV-UHFFFAOYSA-N cysteamine Chemical compound NCCS UFULAYFCSOUIOV-UHFFFAOYSA-N 0.000 abstract 1
- 238000005538 encapsulation Methods 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 235000011187 glycerol Nutrition 0.000 abstract 1
- 150000002314 glycerols Chemical class 0.000 abstract 1
- 150000002334 glycols Chemical class 0.000 abstract 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 229910017053 inorganic salt Inorganic materials 0.000 abstract 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- 150000004760 silicates Chemical class 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000007787 solid 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
-
- 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
- B01J13/14—Polymerisation; cross-linking
- B01J13/18—In situ polymerisation with all reactants being present in the same phase
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4111470A | 1970-05-27 | 1970-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1292408A true GB1292408A (en) | 1972-10-11 |
Family
ID=21914822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB00393/71A Expired GB1292408A (en) | 1970-05-27 | 1971-04-21 | Minute capsules and method of preparation thereof |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE767697A (enrdf_load_stackoverflow) |
| CA (1) | CA918007A (enrdf_load_stackoverflow) |
| CH (1) | CH552408A (enrdf_load_stackoverflow) |
| DE (1) | DE2125652C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2095638A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1292408A (enrdf_load_stackoverflow) |
| ZA (1) | ZA711880B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3852076A (en) * | 1972-02-22 | 1974-12-03 | Ryan J | Aqueous method of microencapsulation and capsules |
-
1971
- 1971-02-24 CA CA106196A patent/CA918007A/en not_active Expired
- 1971-03-23 ZA ZA711880A patent/ZA711880B/xx unknown
- 1971-04-21 GB GB00393/71A patent/GB1292408A/en not_active Expired
- 1971-05-24 DE DE2125652A patent/DE2125652C3/de not_active Expired
- 1971-05-26 BE BE767697A patent/BE767697A/xx not_active IP Right Cessation
- 1971-05-26 FR FR7118983A patent/FR2095638A5/fr not_active Expired
- 1971-05-27 CH CH774271A patent/CH552408A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2095638A5 (enrdf_load_stackoverflow) | 1972-02-11 |
| DE2125652C3 (de) | 1980-01-24 |
| BE767697A (fr) | 1971-10-18 |
| DE2125652B2 (de) | 1978-12-07 |
| DE2125652A1 (de) | 1971-12-09 |
| CA918007A (en) | 1973-01-02 |
| CH552408A (de) | 1974-08-15 |
| ZA711880B (en) | 1971-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |