NL7201819A - - Google Patents
Info
- Publication number
- NL7201819A NL7201819A NL7201819A NL7201819A NL7201819A NL 7201819 A NL7201819 A NL 7201819A NL 7201819 A NL7201819 A NL 7201819A NL 7201819 A NL7201819 A NL 7201819A NL 7201819 A NL7201819 A NL 7201819A
- Authority
- NL
- Netherlands
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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB472271A GB1377486A (en) | 1971-02-16 | 1971-02-16 | Polyether purification process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7201819A true NL7201819A (en) | 1972-08-18 |
Family
ID=9782557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201819A NL7201819A (en) | 1971-02-16 | 1972-02-11 |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU3887772A (en) |
| ES (1) | ES399844A1 (en) |
| GB (1) | GB1377486A (en) |
| IT (1) | IT961142B (en) |
| NL (1) | NL7201819A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110268A (en) * | 1976-09-27 | 1978-08-29 | Witco Chemical Corporation | Polyether polyols and polyurethane foams made therefrom |
| US4490560A (en) * | 1982-09-29 | 1984-12-25 | The B. F. Goodrich Company | Decolorizing polymers of epihalohydrin |
| CS241409B1 (en) * | 1983-01-21 | 1986-03-13 | Ladislav Komora | Method of water/soluble polyerthers' and/or copolyethers' refining or at least limitation |
| US5248833A (en) * | 1992-09-22 | 1993-09-28 | Arco Chemical Technology, L.P. | Process for purifying polyols made with double metal cyanide catalysts |
-
1971
- 1971-02-16 GB GB472271A patent/GB1377486A/en not_active Expired
-
1972
- 1972-02-10 AU AU38877/72A patent/AU3887772A/en not_active Expired
- 1972-02-11 NL NL7201819A patent/NL7201819A/xx unknown
- 1972-02-14 IT IT2054672A patent/IT961142B/en active
- 1972-02-16 ES ES399844A patent/ES399844A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU3887772A (en) | 1973-08-16 |
| GB1377486A (en) | 1974-12-18 |
| ES399844A1 (en) | 1975-04-01 |
| IT961142B (en) | 1973-12-10 |