IN139727B - - Google Patents

Info

Publication number
IN139727B
IN139727B IN1658/CAL/73A IN1658CA1973A IN139727B IN 139727 B IN139727 B IN 139727B IN 1658CA1973 A IN1658CA1973 A IN 1658CA1973A IN 139727 B IN139727 B IN 139727B
Authority
IN
India
Application number
IN1658/CAL/73A
Other languages
English (en)
Inventor
A Browne
Intyre J Mc
Original Assignee
Ici Ltd
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
Priority claimed from GB3420272A external-priority patent/GB1387335A/en
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of IN139727B publication Critical patent/IN139727B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/87Non-metals or inter-compounds thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/40Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
    • C08G63/42Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/80Solid-state polycondensation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/85Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, 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)
IN1658/CAL/73A 1972-07-21 1973-07-16 IN139727B (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3420272A GB1387335A (en) 1972-07-21 1972-07-21 Manufacture of polyesters

Publications (1)

Publication Number Publication Date
IN139727B true IN139727B (https=) 1976-07-24

Family

ID=10362664

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1658/CAL/73A IN139727B (https=) 1972-07-21 1973-07-16

Country Status (7)

Country Link
AT (1) AT339608B (https=)
BE (2) BE802363A (https=)
BR (2) BR7305446D0 (https=)
IN (1) IN139727B (https=)
PL (2) PL95788B1 (https=)
SU (1) SU579900A3 (https=)
ZA (2) ZA734645B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7074879B2 (en) * 2003-06-06 2006-07-11 Eastman Chemical Company Polyester process using a pipe reactor
US7135541B2 (en) * 2003-06-06 2006-11-14 Eastman Chemical Company Polyester process using a pipe reactor

Also Published As

Publication number Publication date
ATA647773A (de) 1977-02-15
BR7305446D0 (pt) 1974-09-05
BE802362A (fr) 1974-01-14
SU579900A3 (ru) 1977-11-05
ZA734646B (en) 1974-03-27
BE802363A (fr) 1974-01-14
ZA734645B (en) 1974-04-24
BR7305452D0 (pt) 1974-09-05
AT339608B (de) 1977-10-25
PL95788B1 (pl) 1977-11-30
PL92641B1 (https=) 1977-04-30

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