IN171671B - - Google Patents

Info

Publication number
IN171671B
IN171671B IN497/MAS/88A IN497MA1988A IN171671B IN 171671 B IN171671 B IN 171671B IN 497MA1988 A IN497MA1988 A IN 497MA1988A IN 171671 B IN171671 B IN 171671B
Authority
IN
India
Application number
IN497/MAS/88A
Other languages
English (en)
Inventor
Ali-Kashef Al Ghatta Hussain
Original Assignee
Cobarr 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 Cobarr Spa filed Critical Cobarr Spa
Publication of IN171671B publication Critical patent/IN171671B/en

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
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polyesters Or Polycarbonates (AREA)
IN497/MAS/88A 1987-07-24 1988-07-15 IN171671B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8767645A IT1211471B (it) 1987-07-24 1987-07-24 Procedimento per la riduzione di impurezze di resine poliesteri

Publications (1)

Publication Number Publication Date
IN171671B true IN171671B (el) 1992-12-05

Family

ID=11304178

Family Applications (1)

Application Number Title Priority Date Filing Date
IN497/MAS/88A IN171671B (el) 1987-07-24 1988-07-15

Country Status (5)

Country Link
EP (1) EP0300981A1 (el)
IL (1) IL87112A (el)
IN (1) IN171671B (el)
IT (1) IT1211471B (el)
TR (1) TR24130A (el)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1199668B (it) * 1986-11-21 1988-12-30 Cobarr Spa Procedimento per la produzione di resina poliestere ad alto peso molecolare
JPH01242621A (ja) * 1988-03-23 1989-09-27 Mitsubishi Gas Chem Co Inc 精製されたポリカーボネート樹脂の製造法
US5241046A (en) * 1989-03-31 1993-08-31 Mitsui Petrochemical Industries, Ltd. Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof
CA2012577C (en) * 1989-03-31 1995-12-12 Shigemi Shiraki Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof
ZA964546B (en) * 1995-06-06 1996-12-12 Univ North Carolina Process for the preparation of polyester in carbon dioxide
US6103774A (en) * 1997-04-02 2000-08-15 The Coca-Cola Company Process for removing contaminants from polyesters and controlling polymer molecular weight
US6288202B1 (en) 1997-04-11 2001-09-11 The University Of North Carolina At Chapel Hill Synthesis of polycarbonates using Co2
CN105237754B (zh) * 2014-06-01 2018-01-30 华东理工大学 一种高压二氧化碳辅助的高效聚酯固相缩聚方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH656391A5 (de) * 1982-04-21 1986-06-30 Inventa Ag Verfahren zur herstellung von hochmolekularen polyestern.
DE3323940A1 (de) * 1983-07-02 1985-01-10 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von polymeren
IT1188204B (it) * 1985-11-19 1988-01-07 Cobarr Spa Procedimento per la riduzione del tenore di acetaldeide in contenitori biorientati ottenuti da preforme di polietilene tereftalato
IT1199668B (it) * 1986-11-21 1988-12-30 Cobarr Spa Procedimento per la produzione di resina poliestere ad alto peso molecolare

Also Published As

Publication number Publication date
IT1211471B (it) 1989-11-03
IT8767645A0 (it) 1987-07-24
IL87112A (en) 1992-08-18
IL87112A0 (en) 1988-12-30
EP0300981A1 (en) 1989-01-25
TR24130A (tr) 1991-03-29

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