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 (fr)

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 (fr)

Family

ID=27447728

Family Applications (2)

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

Family Applications After (1)

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

Country Status (5)

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

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
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 (fr) * 1960-09-14
NL107541C (fr) * 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
US2799667A (en) 1957-07-16
NL89751C (fr) 1958-07-15
FR68761E (fr) 1958-06-10
GB707913A (en) 1954-04-28
DE1120692B (de) 1961-12-28
GB764964A (en) 1957-01-02
FR1092077A (fr) 1955-04-18
US2799664A (en) 1957-07-16

Similar Documents

Publication Publication Date Title
AT195616B (fr)
AT197970B (fr)
AT192177A (fr)
BE512612A (fr)
BE502089A (fr)
BE16335A (fr)
BE422752A (fr)
BE466790A (fr)
BE477312A (fr)
BE480026A (fr)
BE491015A (fr)
BE491096A (fr)
BE494945A (fr)
BE498467A (fr)
BE498982A (fr)
BE500297A (fr)
BE500588A (fr)
BE500688A (fr)
BE500744A (fr)
BE500745A (fr)
BE500841A (fr)
BE500989A (fr)
BE500995A (fr)
BE500996A (fr)
BE501021A (fr)