GB1201813A - Improvements in or relating to the production of linear polyalkylene terephthalates - Google Patents

Improvements in or relating to the production of linear polyalkylene terephthalates

Info

Publication number
GB1201813A
GB1201813A GB3793967A GB3793967A GB1201813A GB 1201813 A GB1201813 A GB 1201813A GB 3793967 A GB3793967 A GB 3793967A GB 3793967 A GB3793967 A GB 3793967A GB 1201813 A GB1201813 A GB 1201813A
Authority
GB
United Kingdom
Prior art keywords
relating
production
polyalkylene terephthalates
glycol
linear polyalkylene
Prior art date
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
Application number
GB3793967A
Other languages
English (en)
Inventor
Giuseppe Messina
Edgardo Horak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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.)
Filing date
Publication date
Application filed by SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of GB1201813A publication Critical patent/GB1201813A/en
Expired legal-status Critical Current

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
    • C08G63/826—Metals not provided for in groups C08G63/83 - C08G63/86
    • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB3793967A 1967-06-30 1967-08-17 Improvements in or relating to the production of linear polyalkylene terephthalates Expired GB1201813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1787367 1967-06-30

Publications (1)

Publication Number Publication Date
GB1201813A true GB1201813A (en) 1970-08-12

Family

ID=11150990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3793967A Expired GB1201813A (en) 1967-06-30 1967-08-17 Improvements in or relating to the production of linear polyalkylene terephthalates

Country Status (5)

Country Link
BE (1) BE717374A (de)
DE (1) DE1768782A1 (de)
FR (1) FR1571808A (de)
GB (1) GB1201813A (de)
NL (1) NL6711434A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0864596A1 (de) * 1997-03-14 1998-09-16 Hoechst Diafoil GmbH Verfahren zur Produktion von Polyethylenterephthalat

Also Published As

Publication number Publication date
DE1768782A1 (de) 1972-01-13
NL6711434A (de) 1968-12-31
BE717374A (de) 1968-12-02
FR1571808A (de) 1969-06-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees