NL173651C - Continue werkwijze voor het verhogen van het molecuulgewicht van vast, gekorreld droog polyethyleentereftalaat door nacondenseren in de vaste fase. - Google Patents

Continue werkwijze voor het verhogen van het molecuulgewicht van vast, gekorreld droog polyethyleentereftalaat door nacondenseren in de vaste fase.

Info

Publication number
NL173651C
NL173651C NLAANVRAGE7613094,A NL7613094A NL173651C NL 173651 C NL173651 C NL 173651C NL 7613094 A NL7613094 A NL 7613094A NL 173651 C NL173651 C NL 173651C
Authority
NL
Netherlands
Prior art keywords
increasing
solid
molecular weight
fixed
continuous process
Prior art date
Application number
NLAANVRAGE7613094,A
Other languages
English (en)
Other versions
NL7613094A (nl
NL173651B (nl
Original Assignee
Davy International Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=5965943&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL173651(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Davy International Ag filed Critical Davy International Ag
Publication of NL7613094A publication Critical patent/NL7613094A/nl
Publication of NL173651B publication Critical patent/NL173651B/nl
Application granted granted Critical
Publication of NL173651C publication Critical patent/NL173651C/nl

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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
    • C08G63/80—Solid-state polycondensation
NLAANVRAGE7613094,A 1975-12-31 1976-11-24 Continue werkwijze voor het verhogen van het molecuulgewicht van vast, gekorreld droog polyethyleentereftalaat door nacondenseren in de vaste fase. NL173651C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2559290A DE2559290B2 (de) 1975-12-31 1975-12-31 Verfahren zur kontinuierlichen Herstellung von hochmolekularem PoIyäthylenterephthalat

Publications (3)

Publication Number Publication Date
NL7613094A NL7613094A (nl) 1977-07-04
NL173651B NL173651B (nl) 1983-09-16
NL173651C true NL173651C (nl) 1984-02-16

Family

ID=5965943

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7613094,A NL173651C (nl) 1975-12-31 1976-11-24 Continue werkwijze voor het verhogen van het molecuulgewicht van vast, gekorreld droog polyethyleentereftalaat door nacondenseren in de vaste fase.

Country Status (5)

Country Link
US (1) US4064112B1 (nl)
DE (1) DE2559290B2 (nl)
GB (1) GB1557337A (nl)
IT (1) IT1067955B (nl)
NL (1) NL173651C (nl)

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US5648032A (en) * 1995-08-01 1997-07-15 Eastman Chemical Company Process for producing polyester articles having low acetaldehyde content
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Also Published As

Publication number Publication date
IT1067955B (it) 1985-03-21
US4064112A (en) 1977-12-20
DE2559290B2 (de) 1979-08-02
DE2559290A1 (de) 1977-07-14
NL7613094A (nl) 1977-07-04
GB1557337A (en) 1979-12-05
US4064112B1 (en) 1994-09-13
NL173651B (nl) 1983-09-16

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