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
Application number
Priority date (The priority date 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 date listed.)
Publication of NL195941A publication Critical patent/NL195941A/xx

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)
NL195941D 1951-08-20 NL195941A (xx)

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 (xx)

Family

ID=27447728

Family Applications (2)

Application Number Title Priority Date Filing Date
NL195941D NL195941A (xx) 1951-08-20
NL195941A NL89751C (xx) 1951-08-20 1955-03-25

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL195941A NL89751C (xx) 1951-08-20 1955-03-25

Country Status (5)

Country Link
US (2) US2799667A (xx)
DE (1) DE1120692B (xx)
FR (2) FR1092077A (xx)
GB (2) GB707913A (xx)
NL (2) NL89751C (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
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
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
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
US3200097A (en) * 1959-05-25 1965-08-10 Celanese Corp Polyanhydrides
NL121430C (xx) * 1960-09-14
NL107541C (xx) * 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB764964A (en) 1957-01-02
US2799667A (en) 1957-07-16
US2799664A (en) 1957-07-16
NL89751C (xx) 1958-07-15
DE1120692B (de) 1961-12-28
FR68761E (fr) 1958-06-10
GB707913A (en) 1954-04-28
FR1092077A (fr) 1955-04-18

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