NL97558C - - Google Patents

Info

Publication number
NL97558C
NL97558C NL97558DA NL97558C NL 97558 C NL97558 C NL 97558C NL 97558D A NL97558D A NL 97558DA NL 97558 C NL97558 C NL 97558C
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 NL97558C publication Critical patent/NL97558C/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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • C08G63/86—Germanium, antimony, or compounds thereof
    • C08G63/866—Antimony or compounds thereof
    • 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)
NL97558D 1953-04-30 NL97558C (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB11944/53A GB742196A (en) 1953-04-30 1953-04-30 Improvements in the manufacture of highly polymeric polymethylene terephthalates
GB140454X 1954-04-14

Publications (1)

Publication Number Publication Date
NL97558C true NL97558C (enrdf_load_html_response)

Family

ID=26250226

Family Applications (1)

Application Number Title Priority Date Filing Date
NL97558D NL97558C (enrdf_load_html_response) 1953-04-30

Country Status (5)

Country Link
BE (1) BE528506A (enrdf_load_html_response)
DE (1) DE1007060B (enrdf_load_html_response)
FR (1) FR1100465A (enrdf_load_html_response)
GB (1) GB742196A (enrdf_load_html_response)
NL (1) NL97558C (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892815A (en) * 1955-04-11 1959-06-30 Chemstrand Corp Stannous formate catalyst for preparing polyethylene terephthalate
DE1181414B (de) * 1954-03-02 1964-11-12 Du Pont Verfahren zur Herstellung von Polyestern
DE1130433B (de) * 1955-07-21 1962-05-30 Ici Ltd Verfahren zur Herstellung von zur Polykondensation gut geeigneten Terephthalsaeureglykolestern
US3070575A (en) * 1958-01-27 1962-12-25 Du Pont Process for the preparation of polyesters from dicarboxylic acids and bis (hydroxy-alkyl) esters
ES252134A1 (es) * 1958-09-29 1960-06-16 Kunoshima Kagaku Kogyo Kabushi Un procedimiento para obtener policarbonatos
US3060223A (en) * 1960-03-17 1962-10-23 Standard Oil Co Preparation of dihydroxyethyl terephthalate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465319A (en) * 1941-07-29 1949-03-22 Du Pont Polymeric linear terephthalic esters

Also Published As

Publication number Publication date
DE1007060B (de) 1957-04-25
FR1100465A (fr) 1955-09-20
GB742196A (en) 1955-12-21
BE528506A (enrdf_load_html_response)

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