LU43274A1 - - Google Patents

Info

Publication number
LU43274A1
LU43274A1 LU43274DA LU43274A1 LU 43274 A1 LU43274 A1 LU 43274A1 LU 43274D A LU43274D A LU 43274DA LU 43274 A1 LU43274 A1 LU 43274A1
Authority
LU
Luxembourg
Application number
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 filed Critical
Publication of LU43274A1 publication Critical patent/LU43274A1/xx

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
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • 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
    • C07C37/685—Processes comprising at least two steps in series
    • 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
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
LU43274D 1962-03-02 1963-02-28 LU43274A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US176923A US3207795A (en) 1962-03-02 1962-03-02 Production and purification of diphenylolalkanes

Publications (1)

Publication Number Publication Date
LU43274A1 true LU43274A1 (fr) 1963-08-28

Family

ID=22646451

Family Applications (1)

Application Number Title Priority Date Filing Date
LU43274D LU43274A1 (fr) 1962-03-02 1963-02-28

Country Status (5)

Country Link
US (1) US3207795A (fr)
BE (1) BE628924A (fr)
CH (1) CH428756A (fr)
GB (1) GB1035233A (fr)
LU (1) LU43274A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1076142A (en) * 1964-02-05 1967-07-19 Ici Ltd Manufacture of bis-phenols
DE1296645B (de) * 1965-12-24 1969-06-04 Wolfen Filmfab Veb Verfahren zur Gewinnung reiner 4, 4'-Dihydroxydiarylalkane
NL7410872A (nl) * 1974-08-14 1976-02-17 Shell Int Research Werkwijze voor het zuiveren van in polyhydroxy- verbindingen aanwezige ruwe bishydroxyarylver- bindingen.
US4113974A (en) * 1976-12-30 1978-09-12 General Electric Company Process for purifying impure diphenols
US4240968A (en) * 1979-04-26 1980-12-23 General Electric Company Process for isolating and purifying diphenol by-products
US4354046A (en) * 1981-05-26 1982-10-12 The Dow Chemical Company Process for obtaining high purity bisphenol A
US4638102A (en) * 1985-12-30 1987-01-20 The Dow Chemical Company Recrystallization of bisphenol A by azeotropically drying the solvent
DE4105428A1 (de) * 1991-02-21 1992-08-27 Bayer Ag Verfahren zur reinigung von bisphenolen
US5773633A (en) * 1995-08-01 1998-06-30 General Electric Company Process for crystallizing chroman-I from an impure mixture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959622A (en) * 1960-11-08 Purification of crude jj-p-bis-
US2623908A (en) * 1951-11-23 1952-12-30 Dow Chemical Co Process for making 4, 4'-isopropylidenediphenol
US3073868A (en) * 1959-02-05 1963-01-15 Hooker Chemical Corp Production and purification of diphenylolalkanes

Also Published As

Publication number Publication date
BE628924A (fr) 1963-08-26
GB1035233A (en) 1966-07-06
CH428756A (fr) 1967-01-31
US3207795A (en) 1965-09-21

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