GB920866A - Process for the manufacture of minute capsules and the capsules obtained by such process - Google Patents
Process for the manufacture of minute capsules and the capsules obtained by such processInfo
- Publication number
- GB920866A GB920866A GB29392/61A GB2939261A GB920866A GB 920866 A GB920866 A GB 920866A GB 29392/61 A GB29392/61 A GB 29392/61A GB 2939261 A GB2939261 A GB 2939261A GB 920866 A GB920866 A GB 920866A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- polymer material
- solution
- solvent
- ambient
- 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 4
- 238000000034 method Methods 0.000 title 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 abstract 14
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 8
- 239000002861 polymer material Substances 0.000 abstract 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract 6
- 239000002904 solvent Substances 0.000 abstract 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 4
- 239000001856 Ethyl cellulose Substances 0.000 abstract 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 abstract 2
- 238000013019 agitation Methods 0.000 abstract 2
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 abstract 2
- 229920006217 cellulose acetate butyrate Polymers 0.000 abstract 2
- 239000003814 drug Substances 0.000 abstract 2
- 238000005538 encapsulation Methods 0.000 abstract 2
- 229920001249 ethyl cellulose Polymers 0.000 abstract 2
- 235000019325 ethyl cellulose Nutrition 0.000 abstract 2
- 239000007791 liquid phase Substances 0.000 abstract 2
- 239000003094 microcapsule Substances 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 239000003208 petroleum Substances 0.000 abstract 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 abstract 2
- 239000004926 polymethyl methacrylate Substances 0.000 abstract 2
- 230000000717 retained effect Effects 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
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
- B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6558260A | 1960-10-28 | 1960-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB920866A true GB920866A (en) | 1963-03-13 |
Family
ID=22063711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29392/61A Expired GB920866A (en) | 1960-10-28 | 1961-08-15 | Process for the manufacture of minute capsules and the capsules obtained by such process |
Country Status (7)
| Country | Link |
|---|---|
| BE (2) | BE608763A (enExample) |
| CH (1) | CH417536A (enExample) |
| DE (1) | DE1189050B (enExample) |
| DK (1) | DK105583C (enExample) |
| FR (1) | FR1304561A (enExample) |
| GB (1) | GB920866A (enExample) |
| NL (2) | NL270717A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2126893A5 (enExample) * | 1971-02-19 | 1972-10-06 | Bayer Ag | |
| EP0099109A1 (en) * | 1982-07-16 | 1984-01-25 | Tanabe Seiyaku Co., Ltd. | Process for preparing free-flowing ethylcellulose microcapsules |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002057273A1 (en) * | 2001-01-20 | 2002-07-25 | Trigen Limited | Serine protease inhibitors comprising a hydrogen-bond acceptor |
-
0
- NL NL129081D patent/NL129081C/xx active
- NL NL270717D patent/NL270717A/xx unknown
- BE BE609550D patent/BE609550A/xx unknown
- BE BE608763D patent/BE608763A/xx unknown
-
1961
- 1961-08-15 GB GB29392/61A patent/GB920866A/en not_active Expired
- 1961-10-13 DK DK407561AA patent/DK105583C/da active
- 1961-10-24 DE DEN20716A patent/DE1189050B/de active Pending
- 1961-10-27 CH CH1254661A patent/CH417536A/fr unknown
- 1961-10-27 FR FR877185A patent/FR1304561A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2126893A5 (enExample) * | 1971-02-19 | 1972-10-06 | Bayer Ag | |
| EP0099109A1 (en) * | 1982-07-16 | 1984-01-25 | Tanabe Seiyaku Co., Ltd. | Process for preparing free-flowing ethylcellulose microcapsules |
| US4542042A (en) * | 1982-07-16 | 1985-09-17 | Tanabe Seiyaku Co., Ltd. | Process for preparing free-flowing ethylcellulose microcapsules |
Also Published As
| Publication number | Publication date |
|---|---|
| NL129081C (enExample) | |
| FR1304561A (fr) | 1962-09-21 |
| DE1189050B (de) | 1965-03-18 |
| BE608763A (enExample) | |
| NL270717A (enExample) | |
| BE609550A (enExample) | |
| CH417536A (fr) | 1966-07-31 |
| DK105583C (da) | 1966-10-17 |
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