GB1296835A - - Google Patents
Info
- Publication number
- GB1296835A GB1296835A GB1296835DA GB1296835A GB 1296835 A GB1296835 A GB 1296835A GB 1296835D A GB1296835D A GB 1296835DA GB 1296835 A GB1296835 A GB 1296835A
- Authority
- GB
- United Kingdom
- Prior art keywords
- paraformaldehyde
- formaldehyde
- april
- quaternary ammonium
- ammonium hydroxide
- 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
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 9
- 229930040373 Paraformaldehyde Natural products 0.000 abstract 4
- 229920002866 paraformaldehyde Polymers 0.000 abstract 4
- 239000000908 ammonium hydroxide Substances 0.000 abstract 2
- 125000001453 quaternary ammonium group Chemical group 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/08—Polymerisation of formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1846469 | 1969-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1296835A true GB1296835A (enrdf_load_stackoverflow) | 1972-11-22 |
Family
ID=10112880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1296835D Expired GB1296835A (enrdf_load_stackoverflow) | 1969-04-10 | 1969-04-10 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2017062A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1296835A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3656796A1 (de) * | 2018-11-22 | 2020-05-27 | Covestro Deutschland AG | Verfahren zur herstellung von polyoxymethylen-polymeren mit mittlerer kettenlänge |
-
1969
- 1969-04-10 GB GB1296835D patent/GB1296835A/en not_active Expired
-
1970
- 1970-04-09 DE DE19702017062 patent/DE2017062A1/de active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3656796A1 (de) * | 2018-11-22 | 2020-05-27 | Covestro Deutschland AG | Verfahren zur herstellung von polyoxymethylen-polymeren mit mittlerer kettenlänge |
| WO2020104512A1 (de) * | 2018-11-22 | 2020-05-28 | Covestro Deutschland Ag | Verfahren zur herstellung von polyoxymethylen-polymeren mit mittlerer kettenlänge |
| CN113272348A (zh) * | 2018-11-22 | 2021-08-17 | 科思创知识产权两合公司 | 用于生产具有中等链长的聚甲醛聚合物的工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2017062A1 (de) | 1970-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |