NL195941A - - Google Patents
Info
- Publication number
- NL195941A NL195941A NL195941DA NL195941A NL 195941 A NL195941 A NL 195941A NL 195941D A NL195941D A NL 195941DA NL 195941 A NL195941 A NL 195941A
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
- C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB19598/51A GB707913A (en) | 1951-08-20 | 1951-08-20 | Improvements in the production of linear polyesters |
| GB9729/54A GB764964A (en) | 1951-08-20 | 1954-04-02 | Improvements in the production of linear polyesters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL195941A true NL195941A (US06534493-20030318-C00166.png) |
Family
ID=27447728
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL195941D NL195941A (US06534493-20030318-C00166.png) | 1951-08-20 | ||
| NL195941A NL89751C (US06534493-20030318-C00166.png) | 1951-08-20 | 1955-03-25 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL195941A NL89751C (US06534493-20030318-C00166.png) | 1951-08-20 | 1955-03-25 |
Country Status (5)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870124A (en) * | 1953-06-01 | 1959-01-20 | Chemstrand Corp | Process for producing synthetic linear condensation copolyesters using an alkylene carbonate |
| GB840846A (en) * | 1955-10-28 | 1960-07-13 | Gevaert Photo Prod Nv | New fibre-and film-forming polyanhydrides |
| GB840847A (en) * | 1956-04-25 | 1960-07-13 | Gevaert Photo Prod Nv | New fibre- and film-forming polyanhydrides and their preparation |
| US2964797A (en) * | 1956-05-17 | 1960-12-20 | Bayer Ag | Wrapping foils of high molecular thermoplastic polycarbonates |
| US3070575A (en) * | 1958-01-27 | 1962-12-25 | Du Pont | Process for the preparation of polyesters from dicarboxylic acids and bis (hydroxy-alkyl) esters |
| US3008931A (en) * | 1958-07-28 | 1961-11-14 | American Viscose Corp | Process for producing interpolyesters of bibenzoic acid, and aliphatic glycol and a hetero-aliphatic glycol, and shaped articles thereof |
| US3008932A (en) * | 1958-07-28 | 1961-11-14 | American Viscose Corp | Process for preparing interpolymers of bibenzoic acid, an aliphatic glycol and an aromatic glycol, and shaped articles thereof |
| US3200097A (en) * | 1959-05-25 | 1965-08-10 | Celanese Corp | Polyanhydrides |
| NL269134A (US06534493-20030318-C00166.png) * | 1960-09-14 | |||
| NL258336A (US06534493-20030318-C00166.png) * | 1960-11-24 | |||
| US3442868A (en) * | 1965-07-20 | 1969-05-06 | Teijin Ltd | Novel process for the preparation of polyester |
| DE1280240B (de) * | 1966-09-09 | 1968-10-17 | Bayer Ag | Verwendung von tautomeriefaehigen, fuenfgliedrigen aromatischen N-Heterocyclen als Katalysatoren bei der Umsetzung von aromatischen Carbonsaeuren mit 1, 2-Dioxacycloalkan-2-onen |
| US4020049A (en) * | 1967-09-14 | 1977-04-26 | The Goodyear Tire & Rubber Company | Process for preparing polyester resin |
| US4008206A (en) * | 1974-10-02 | 1977-02-15 | Standard Oil Company (Indiana) | Solid state polymerization |
| US4266046A (en) * | 1976-09-17 | 1981-05-05 | Phillips Petroleum Company | Esterification process |
| US4327207A (en) * | 1980-06-02 | 1982-04-27 | Allied Chemical Corporation | Production of thermally stabilized polyester with alkylene carbonates and sodium or potassium iodide |
| US4348314A (en) * | 1980-06-02 | 1982-09-07 | Allied Corporation | Production of thermally stabilized polyester with alkylene carbonates and sodium or potassium thiocyanate |
| US5714568A (en) * | 1996-09-26 | 1998-02-03 | Reichhold Chemicals, Inc. | Methods of preparing polyesters from cycle organic carbonates in the presence alkali metal-containing catalysts |
| US5969056A (en) * | 1999-01-14 | 1999-10-19 | Reichhold, Inc. | Process for preparing esterification products from cyclic organic carbonates using catalysts comprising quaternary ammonium salts |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1882808A (en) * | 1928-10-12 | 1932-10-18 | Du Pont | Ester interchange with organic acids |
| US2071250A (en) * | 1931-07-03 | 1937-02-16 | Du Pont | Linear condensation polymers |
| GB490543A (en) * | 1937-01-25 | 1938-08-17 | Ig Farbenindustrie Ag | Improvements in the manufacture and production of synthetic resins |
| DE929933C (de) * | 1938-11-28 | 1955-07-07 | Hoechst Ag | Verfahren zur Herstellung von schmelzbaren, hochpolymeren, linearen Polyamiden |
| US2392585A (en) * | 1941-02-19 | 1946-01-08 | Goodrich Co B F | Polymerization in aqueous emulsion |
| US2465319A (en) * | 1941-07-29 | 1949-03-22 | Du Pont | Polymeric linear terephthalic esters |
| US2448767A (en) * | 1942-12-05 | 1948-09-07 | Mellon Inst Of Ind Res | Process of hydroxyethylation |
| US2520959A (en) * | 1945-11-06 | 1950-09-05 | Goodrich Co B F | Polymerization of vinyl compounds |
| DE973992C (de) * | 1952-10-22 | 1960-08-11 | Hoechst Ag | Verfahren zur Herstellung von hochpolymeren Polyestern |
-
0
- NL NL195941D patent/NL195941A/xx unknown
-
1951
- 1951-08-20 GB GB19598/51A patent/GB707913A/en not_active Expired
-
1952
- 1952-08-05 US US302822A patent/US2799667A/en not_active Expired - Lifetime
-
1954
- 1954-01-28 FR FR1092077D patent/FR1092077A/fr not_active Expired
- 1954-04-02 GB GB9729/54A patent/GB764964A/en not_active Expired
-
1955
- 1955-03-15 US US494574A patent/US2799664A/en not_active Expired - Lifetime
- 1955-03-18 FR FR68761D patent/FR68761E/fr not_active Expired
- 1955-03-19 DE DEB34950A patent/DE1120692B/de active Pending
- 1955-03-25 NL NL195941A patent/NL89751C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| US2799664A (en) | 1957-07-16 |
| FR68761E (fr) | 1958-06-10 |
| GB707913A (en) | 1954-04-28 |
| NL89751C (US06534493-20030318-C00166.png) | 1958-07-15 |
| FR1092077A (fr) | 1955-04-18 |
| US2799667A (en) | 1957-07-16 |
| DE1120692B (de) | 1961-12-28 |
| GB764964A (en) | 1957-01-02 |
