FR2000345B1 - - Google Patents
Info
- Publication number
- FR2000345B1 FR2000345B1 FR6900792A FR6900792A FR2000345B1 FR 2000345 B1 FR2000345 B1 FR 2000345B1 FR 6900792 A FR6900792 A FR 6900792A FR 6900792 A FR6900792 A FR 6900792A FR 2000345 B1 FR2000345 B1 FR 2000345B1
- Authority
- FR
- France
- 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
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
- C08G2/06—Catalysts
-
- 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
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
-
- 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
- C08G2/18—Copolymerisation of aldehydes or ketones
-
- 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
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/06—Polythioethers from cyclic thioethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69843568A | 1968-01-17 | 1968-01-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2000345A1 FR2000345A1 (fr) | 1969-09-05 |
FR2000345B1 true FR2000345B1 (fr) | 1974-02-01 |
Family
ID=24805227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6900792A Expired FR2000345B1 (fr) | 1968-01-17 | 1969-01-17 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3506615A (fr) |
BE (1) | BE727000A (fr) |
DE (1) | DE1901953A1 (fr) |
FR (1) | FR2000345B1 (fr) |
GB (1) | GB1202683A (fr) |
LU (1) | LU57791A1 (fr) |
NL (1) | NL6900768A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0675885B1 (fr) * | 1992-12-22 | 2000-09-06 | Commonwealth Scientific And Industrial Research Organisation | Nouveaux monomeres a ouverture de cycle |
DE10215976A1 (de) * | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren III |
DE10215978A1 (de) * | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren |
US9499512B2 (en) | 2011-11-24 | 2016-11-22 | Ticona Gmbh | Process for producing a cyclic acetal in a heterogeneous reaction system |
JP2021519781A (ja) | 2018-03-29 | 2021-08-12 | セラニーズ・セールス・ジャーマニー・ゲーエムベーハー | 不均一反応系における環状アセタールの製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL298169A (fr) * | 1961-08-25 | |||
US3267076A (en) * | 1962-07-03 | 1966-08-16 | Ube Industries | Process for the polymerization of formaldehyde |
GB988335A (en) * | 1962-12-15 | 1965-04-07 | Distillers Co Yeast Ltd | Polymerisation process |
DE1301542B (de) * | 1963-01-29 | 1969-08-21 | Ube Industries | Verfahren zur Herstellung von Copolymerisaten des Formaldehyds |
US3313765A (en) * | 1963-05-10 | 1967-04-11 | Celanese Corp | Polymers containing oxymethylene and thiomethylene units |
US3300445A (en) * | 1963-07-09 | 1967-01-24 | Tenneco Chem | Copolymers of formaldehyde and s-trithianes |
US3457227A (en) * | 1965-03-11 | 1969-07-22 | Continental Oil Co | Preparation of polyoxymethylene using metal acetylacetonate polymerization catalysts |
-
1968
- 1968-01-17 US US698435A patent/US3506615A/en not_active Expired - Lifetime
-
1969
- 1969-01-16 NL NL6900768A patent/NL6900768A/xx unknown
- 1969-01-16 DE DE19691901953 patent/DE1901953A1/de active Pending
- 1969-01-16 LU LU57791D patent/LU57791A1/xx unknown
- 1969-01-17 BE BE727000D patent/BE727000A/xx unknown
- 1969-01-17 GB GB2811/69A patent/GB1202683A/en not_active Expired
- 1969-01-17 FR FR6900792A patent/FR2000345B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1202683A (en) | 1970-08-19 |
DE1901953A1 (de) | 1969-09-11 |
US3506615A (en) | 1970-04-14 |
FR2000345A1 (fr) | 1969-09-05 |
LU57791A1 (fr) | 1969-05-13 |
BE727000A (fr) | 1969-07-17 |
NL6900768A (fr) | 1969-07-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |