IT1202387B - METHOD TO PRODUCE MINUTE POLYMER CAPSULES - Google Patents
METHOD TO PRODUCE MINUTE POLYMER CAPSULESInfo
- Publication number
- IT1202387B IT1202387B IT31239/77A IT3123977A IT1202387B IT 1202387 B IT1202387 B IT 1202387B IT 31239/77 A IT31239/77 A IT 31239/77A IT 3123977 A IT3123977 A IT 3123977A IT 1202387 B IT1202387 B IT 1202387B
- Authority
- IT
- Italy
- Prior art keywords
- polymer capsules
- minute polymer
- produce minute
- produce
- capsules
- 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
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/755,831 US4089802A (en) | 1974-07-10 | 1976-12-30 | Capsule manufacture |
| US05/755,832 US4087376A (en) | 1974-07-10 | 1976-12-30 | Capsule manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1202387B true IT1202387B (en) | 1989-02-09 |
Family
ID=27116136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT31239/77A IT1202387B (en) | 1976-12-30 | 1977-12-23 | METHOD TO PRODUCE MINUTE POLYMER CAPSULES |
Country Status (12)
| Country | Link |
|---|---|
| AR (1) | AR222631A1 (en) |
| BR (1) | BR7708692A (en) |
| CH (1) | CH641687A5 (en) |
| DE (1) | DE2757634C2 (en) |
| DK (1) | DK584277A (en) |
| ES (1) | ES465483A2 (en) |
| FR (1) | FR2375978A1 (en) |
| GB (1) | GB1540986A (en) |
| IT (1) | IT1202387B (en) |
| NL (1) | NL178846C (en) |
| NO (1) | NO146485C (en) |
| SE (1) | SE7714555L (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54107881A (en) * | 1978-02-14 | 1979-08-24 | Fuji Photo Film Co Ltd | Preparation of minute capsule |
| JPS6023859B2 (en) * | 1978-11-14 | 1985-06-10 | 神崎製紙株式会社 | Method for manufacturing microcapsules |
| DE2940786A1 (en) * | 1979-10-08 | 1981-04-16 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING MICROCAPSULES |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL275857A (en) * | 1961-03-13 | 1900-01-01 | ||
| US4001140A (en) * | 1974-07-10 | 1977-01-04 | Ncr Corporation | Capsule manufacture |
-
1977
- 1977-11-30 GB GB49840/77A patent/GB1540986A/en not_active Expired
- 1977-12-21 SE SE7714555A patent/SE7714555L/en unknown
- 1977-12-23 DE DE2757634A patent/DE2757634C2/en not_active Expired
- 1977-12-23 IT IT31239/77A patent/IT1202387B/en active
- 1977-12-23 NO NO774458A patent/NO146485C/en unknown
- 1977-12-27 ES ES465483A patent/ES465483A2/en not_active Expired
- 1977-12-27 CH CH1602777A patent/CH641687A5/en not_active IP Right Cessation
- 1977-12-27 AR AR270528A patent/AR222631A1/en active
- 1977-12-28 BR BR7708692A patent/BR7708692A/en unknown
- 1977-12-29 DK DK584277A patent/DK584277A/en not_active Application Discontinuation
- 1977-12-30 NL NLAANVRAGE7714611,A patent/NL178846C/en not_active IP Right Cessation
- 1977-12-30 FR FR7739745A patent/FR2375978A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL178846C (en) | 1986-06-02 |
| NO774458L (en) | 1978-07-03 |
| DE2757634A1 (en) | 1978-07-13 |
| NL178846B (en) | 1986-01-02 |
| FR2375978B1 (en) | 1981-02-27 |
| GB1540986A (en) | 1979-02-21 |
| ES465483A2 (en) | 1978-12-01 |
| FR2375978A1 (en) | 1978-07-28 |
| SE7714555L (en) | 1978-07-01 |
| CH641687A5 (en) | 1984-03-15 |
| NO146485C (en) | 1982-10-13 |
| NL7714611A (en) | 1978-07-04 |
| AR222631A1 (en) | 1981-06-15 |
| BR7708692A (en) | 1978-08-15 |
| DE2757634C2 (en) | 1986-05-28 |
| DK584277A (en) | 1978-07-01 |
| NO146485B (en) | 1982-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951130 |