GB1454690A - Hydrogenation of molten aldehydic dimethyl terephthalate - Google Patents

Hydrogenation of molten aldehydic dimethyl terephthalate

Info

Publication number
GB1454690A
GB1454690A GB5217174A GB5217174A GB1454690A GB 1454690 A GB1454690 A GB 1454690A GB 5217174 A GB5217174 A GB 5217174A GB 5217174 A GB5217174 A GB 5217174A GB 1454690 A GB1454690 A GB 1454690A
Authority
GB
United Kingdom
Prior art keywords
aldehydic
hydrogenation
molten
dmt
dimethyl terephthalate
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
GB5217174A
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.)
Hercules LLC
Original Assignee
Hercules LLC
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 Hercules LLC filed Critical Hercules LLC
Publication of GB1454690A publication Critical patent/GB1454690A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/28Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/283Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by hydrogenation of unsaturated carbon-to-carbon bonds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1454690 Hydrogenation of molten aldehydic dimethyl terephthalate HERCULES Inc 3 Dec 1974 [2 Jan 1974] 52171/74 Heading C2C In a process for treating molten aldehydic DMT by subjecting it to catalytic hydrogenation with a catalyst that not only promotes hydrogenation of the aldehydic content, but also tends to the temperature of the molten DMT to promote ring hydrogenation, the improvement for minimizing said ring hydrogenation comprises contacting said molten aldehydic DMT at a temperature of from 141‹ to 240‹ C. with (1) a quantity of molecular hydrogen sufficient to hydrogenate at least a substantial portion of said aldehydic content and (2) a catalytic quantity of said catalyst for a period of time sufficient for hydrogenation of at least a substantial portion of the aldehydic content, but insufficient for substantial ring hydrogenation,
GB5217174A 1974-01-02 1974-12-03 Hydrogenation of molten aldehydic dimethyl terephthalate Expired GB1454690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43031774A 1974-01-02 1974-01-02

Publications (1)

Publication Number Publication Date
GB1454690A true GB1454690A (en) 1976-11-03

Family

ID=23707005

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5217174A Expired GB1454690A (en) 1974-01-02 1974-12-03 Hydrogenation of molten aldehydic dimethyl terephthalate

Country Status (15)

Country Link
JP (1) JPS5096538A (en)
BE (1) BE823995A (en)
BG (1) BG26365A3 (en)
BR (1) BR7410952D0 (en)
CA (1) CA1042918A (en)
DD (1) DD118274A5 (en)
DE (1) DE2460887A1 (en)
FR (1) FR2272071A1 (en)
GB (1) GB1454690A (en)
IN (1) IN142692B (en)
IT (1) IT1028152B (en)
NL (1) NL7417057A (en)
RO (1) RO65265A (en)
SU (1) SU550974A3 (en)
TR (1) TR18982A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7390869B2 (en) 2005-06-13 2008-06-24 Eastman Chemical Company Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432412A (en) * 1977-08-16 1979-03-09 Mitsui Petrochem Ind Ltd Purification of ketone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7390869B2 (en) 2005-06-13 2008-06-24 Eastman Chemical Company Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species
US8530609B2 (en) 2005-06-13 2013-09-10 Grupo Petrotemex, S.A. De C.V. Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species
US8921509B2 (en) 2005-06-13 2014-12-30 Grupo Petrotemex, S.A. De C.V. Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species

Also Published As

Publication number Publication date
IN142692B (en) 1977-08-13
BR7410952D0 (en) 1975-08-26
BE823995A (en) 1975-04-16
TR18982A (en) 1978-02-06
SU550974A3 (en) 1977-03-15
JPS5096538A (en) 1975-07-31
DD118274A5 (en) 1976-02-20
RO65265A (en) 1980-01-15
DE2460887A1 (en) 1975-07-10
NL7417057A (en) 1975-07-04
IT1028152B (en) 1979-01-30
FR2272071A1 (en) 1975-12-19
BG26365A3 (en) 1979-03-15
CA1042918A (en) 1978-11-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee