FR2457849B1 - - Google Patents

Info

Publication number
FR2457849B1
FR2457849B1 FR7913746A FR7913746A FR2457849B1 FR 2457849 B1 FR2457849 B1 FR 2457849B1 FR 7913746 A FR7913746 A FR 7913746A FR 7913746 A FR7913746 A FR 7913746A FR 2457849 B1 FR2457849 B1 FR 2457849B1
Authority
FR
France
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
FR7913746A
Other languages
French (fr)
Other versions
FR2457849A1 (en
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to FR7913746A priority Critical patent/FR2457849A1/en
Publication of FR2457849A1 publication Critical patent/FR2457849A1/en
Application granted granted Critical
Publication of FR2457849B1 publication Critical patent/FR2457849B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/88—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7913746A 1979-05-30 1979-05-30 Stabilising a bisphenol during its distn. from a melt - obtd. in the mfr. from a phenol and a carbonyl cpd., by addn. of phthalic anhydride or a deriv. Granted FR2457849A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7913746A FR2457849A1 (en) 1979-05-30 1979-05-30 Stabilising a bisphenol during its distn. from a melt - obtd. in the mfr. from a phenol and a carbonyl cpd., by addn. of phthalic anhydride or a deriv.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7913746A FR2457849A1 (en) 1979-05-30 1979-05-30 Stabilising a bisphenol during its distn. from a melt - obtd. in the mfr. from a phenol and a carbonyl cpd., by addn. of phthalic anhydride or a deriv.

Publications (2)

Publication Number Publication Date
FR2457849A1 FR2457849A1 (en) 1980-12-26
FR2457849B1 true FR2457849B1 (en) 1984-03-30

Family

ID=9226008

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913746A Granted FR2457849A1 (en) 1979-05-30 1979-05-30 Stabilising a bisphenol during its distn. from a melt - obtd. in the mfr. from a phenol and a carbonyl cpd., by addn. of phthalic anhydride or a deriv.

Country Status (1)

Country Link
FR (1) FR2457849A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200319B (en) * 1959-06-27 1965-09-09 Bayer Ag Thermostabilized dihydroxydiarylalkanes and cycloalkanes
FR1258668A (en) * 1960-06-02 1961-04-14 Bayer Ag Thermostabilized dihydroxydiarylalkanes and -cycloalkanes
FR1457039A (en) * 1964-12-24 1966-10-28 Ethyl Corp Color stabilization of phenols
NL130972C (en) * 1965-11-30

Also Published As

Publication number Publication date
FR2457849A1 (en) 1980-12-26

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Legal Events

Date Code Title Description
ST Notification of lapse